John Hadley, M.D.

Pulmonary Disease Internal Medicine

Internal Medicine

John Hadley is a Pulmonary Disease Internal Medicine specialist based in Concord, CA with over 48 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

Also practices: CRITICAL CARE (INTENSIVISTS)

(925) 676-2942Concord, CA
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

John Hadley, M.D. has been part of the Concord medical community since 2006 in group practice. Trained at Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University (class of 1978), he has been practicing for over 48 years. CMS Medicare data shows his patients commonly have hypertension, high cholesterol, and arthritis. CMS MIPS quality score: 99.02/100 (2023).

At a glance

  • Federal MIPS score higher than 89% of MIPS-scored doctors in California
  • Virtual visits available — no app or travel required
1 of 493 Internal Medicine providers in CASee all Internal Medicine in Concord48+ years experienceNPI since 2006

Older · 4804dNPPES updated 2013-03-28 · verify NPI on CMS · Verify license at Medical Board of California

Contact & Location

Practice Location

2299 Bacon St Suite 2, Concord, CA 94520-2050

Fax: (925) 676-7108
CMS Clinical Data

How Does This Doctor Compare?

Based on Medicare data, this doctor scores better than 89% of doctors in California on federal quality measures.

MIPS Score

2023

99.02/100

California avg: 78.6 · US avg: 83.6

Higher than most doctors nationally(+15.4 pts)

Better than 89% of MIPS-scored doctors in California

How the government rates this doctor's Medicare care quality. Scores above 75 are considered good.

Generic Rx

↑ Higher = better

75.6%

California avg: 83.3 · US avg: 82.8

Lower than most doctors nationally(-7.2 pts)

How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.

Medicare Patients

231

Unique beneficiaries

Standard volume

Prescription Recipients

226

Patients prescribed

Prescriptions Written

1,564

Total claims

Total Medicare drug cost: $421k

Percentile rankings compared against 9,360 reporting peers in California.

Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.

Patient Condition Panel

What This Doctor Treats Most

Based on Medicare claims data — here's what patients commonly see this doctor for

Based on Medicare data, this doctor primarily manages Hypertension, High Cholesterol, and Arthritis.

Hypertension
Higher than avg (+5%)75%

High blood pressure — a leading risk factor for heart disease and stroke

US avg: 70.2%

↑ More patients than average (+5%) — a focus area for this doctor

High Cholesterol
Higher than avg (+5%)75%

Elevated cholesterol or triglycerides that increase heart disease risk

US avg: 70.4%

↑ More patients than average (+5%) — a focus area for this doctor

Arthritis
49%

Joint inflammation causing pain, swelling, and stiffness

US avg: 49.3%
COPD
Higher than avg (+24%)44%

Chronic Obstructive Pulmonary Disease — a group of lung diseases that block airflow

US avg: 20.4%

↑ More patients than average (+24%) — a focus area for this doctor

Diabetes
Higher than avg (+1%)35%

A condition where the body cannot properly regulate blood sugar levels

US avg: 34.5%

↑ More patients than average (+1%) — a focus area for this doctor

Chronic Kidney Disease
Higher than avg (+4%)34%

Gradual loss of kidney function over time, often linked to diabetes or hypertension

US avg: 29.6%

↑ More patients than average (+4%) — a focus area for this doctor

Asthma
Higher than avg (+19%)32%

A condition causing airway inflammation, wheezing, and difficulty breathing

US avg: 13.3%

↑ More patients than average (+19%) — a focus area for this doctor

Ischemic Heart Disease
Lower than avg (-1%)31%

Reduced blood flow to the heart muscle, commonly known as coronary artery disease

US avg: 31.7%

↓ Fewer patients than average (-1%) — less common here

GeneralBehavioralNational avg

Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.

Industry Payment Transparency

$1.4k received from industry

55 transactions reported in 2024 ·Moderate tier

View on CMS Open Payments →

Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.

Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to John Hadley's NPI.

Patient Reviews

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Career Journey
  1. Graduated medical school · 1978

    Case Western Reserve University School of Medicine

  2. 48 years in practice

    Senior practitioner

Internal MedicinePulmonary Disease in ConcordAllopathic & Osteopathic Physicians

Pulmonologists specialize in respiratory conditions including asthma, COPD, pneumonia, pulmonary fibrosis, sleep apnea, and lung cancer screening. They manage patients on ventilators and perform bronchoscopies.

Taxonomy: 207RP1001X

Education & Training

Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University (Class of 1978)

Practice Footprint

Primary hospital affiliation: Acute Care - Department of Defense

CMS Certification Number: 19050F

View hospital on Medicare Care Compare

Virtual Pulmonary Disease Care With John Hadley

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with John Hadley for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Concord required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.

Frequently Asked Questions

Common questions about John Hadley

Dr. Hadley is listed as active in the NPI registry with telehealth listed in Concord, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (925) 676-2942.

Verified across 6 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.

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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

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