Gregory Maness Allen, M.D.

Internal Medicine

Gregory Maness Allen is an Internal Medicine specialist based in Baltimore, MD with over 13 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

Also practices: INTERNAL MEDICINE

(410) 955-7911Baltimore, MD
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Gregory Maness Allen, M.D. specializes in internal medicine, serving patients in Baltimore, MD in independent practice. He has been in practice for 13+ years. He regularly sees Medicare patients with hypertension, cancer, and high cholesterol (per CMS claims data). CMS MIPS quality score: 75/100 (2023).

At a glance

  • Federal MIPS score higher than 30% of MIPS-scored doctors in Maryland
  • Virtual visits available — no app or travel required
1 of 874 Internal Medicine providers in MDSee all Internal Medicine in Baltimore13+ years experienceNPI since 2013

Older · 4780dNPPES updated 2013-04-24 · verify NPI on CMS · Verify license at Maryland Board of Physicians

Contact & Location

Practice Location

600 N Wolfe St, Baltimore, MD 21287-0005

CMS Clinical Data

How Does This Doctor Compare?

MIPS Score

2023

75/100

Maryland avg: 77.8 · US avg: 83.6

Lower than most doctors nationally(-8.6 pts)

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

Generic Rx

↑ Higher = better

52.3%

Maryland avg: 83.4 · US avg: 82.8

Lower than most doctors nationally(-30.5 pts)

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

Medicare Patients

39

Unique beneficiaries

Boutique practice

Prescription Recipients

12

Patients prescribed

Prescriptions Written

88

Total claims

Total Medicare drug cost: $444k

Percentile rankings compared against 2,391 reporting peers in Maryland.

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, Cancer, and High Cholesterol.

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

Cancer
Higher than avg (+54%)75%

Diseases involving abnormal cell growth with potential to spread to other body parts

US avg: 20.8%

↑ More patients than average (+54%) — a focus area for this doctor

High Cholesterol
Lower than avg (-1%)69%

Elevated cholesterol or triglycerides that increase heart disease risk

US avg: 70.4%

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

COPD
Higher than avg (+31%)51%

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

US avg: 20.4%

↑ More patients than average (+31%) — a focus area for this doctor

Arthritis
Lower than avg (-5%)44%

Joint inflammation causing pain, swelling, and stiffness

US avg: 49.3%

↓ Fewer patients than average (-5%) — less common here

GeneralBehavioralNational avg

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

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Background & Specialty

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

Career Journey
  1. 13 years in practice

    Established

Internal MedicineAllopathic & Osteopathic Physicians

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Taxonomy: 207R00000X

Practice Footprint

Primary hospital affiliation: Acute Care - Veterans Administration

CMS Certification Number: 20003F

View hospital on Medicare Care Compare

Virtual Internal Medicine Care With Gregory Maness Allen

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

Schedule a virtual visit with Gregory Maness Allen for blood pressure monitoring, follow-up consultations, cholesterol management — no travel to Baltimore 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 Gregory Maness Allen

Dr. Allen is listed as active in the NPI registry with telehealth listed in Baltimore, MD. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (410) 955-7911.

Verified across 5 federal data sources

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

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Claim Profile

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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