Diane Mcgrew, MD

Internal Medicine

(831) 458-6330Scotts Valley, CA
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Diane Mcgrew, MD has practiced internal medicine for 30+ years, working in group practice. A Albert Einstein College of Medicine of Yeshiva University graduate since 1996, she brings 30+ years of experience. CMS Medicare data shows her patients commonly have high cholesterol, hypertension, and arthritis.

At a glance

  • Prescribes opioids less than 27% of reporting doctors in California
  • Uses generic medications more than 53% of reporting doctors in California
  • Virtual visits available — no app or travel required
1 of 3,565 Internal Medicine providers in CASee all Internal Medicine in Scotts Valley30+ years experienceNPI since 2006

Older · 2112dNPPES updated 2020-07-24 · verify on CMS

Contact & Location

Practice Location

4663 Scotts Valley Dr, Scotts Valley, CA 95066-4202

CMS Clinical Data

How Does This Doctor Compare?

Based on Medicare data, this doctor prescribes opioid pain medications conservatively, favors affordable generic drugs over brand-name ones.

Opioid Rx

↓ Lower = better

3.64%

California avg: 5.2 · US avg: 5.1

Higher than most doctors nationally(-1.5 pts)

3.64% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.

Generic Rx

↑ Higher = better

88.2%

California avg: 83.3 · US avg: 82.8

Higher than most doctors nationally(+5.4 pts)

Typical range among reporting doctors in California

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

Medicare Patients

328

Unique beneficiaries

Standard volume

Prescription Recipients

386

Patients prescribed

Prescriptions Written

4,365

Total claims

Total Medicare drug cost: $429k

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 High Cholesterol, Hypertension, and Arthritis.

High Cholesterol
Higher than avg (+1%)71%

Elevated cholesterol or triglycerides that increase heart disease risk

US avg: 70.4%

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

Hypertension
Lower than avg (-14%)56%

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

US avg: 70.2%

↓ Fewer patients than average (-14%) — less common here

Arthritis
Lower than avg (-13%)36%

Joint inflammation causing pain, swelling, and stiffness

US avg: 49.3%

↓ Fewer patients than average (-13%) — less common here

Osteoporosis
Higher than avg (+6%)24%

Weakened bones that are more prone to fractures, common in older adults

US avg: 18.1%

↑ More patients than average (+6%) — a focus area for this doctor

Mood Disorders
22%

Conditions affecting emotional state, including depression and bipolar disorder

Anxiety Disorders
Lower than avg (-13%)21%

Excessive worry or fear that interferes with daily life

US avg: 34.1%

↓ Fewer patients than average (-13%) — less common here

Depression
Lower than avg (-12%)20%

A mood disorder causing persistent sadness and loss of interest in activities

US avg: 31.8%

↓ Fewer patients than average (-12%) — 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. Graduated medical school · 1996

    Albert Einstein College of Medicine

  2. Board certified · Jul 23, 2020

    CMS-verified certification date

  3. 30 years in practice

    Senior practitioner

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

Education & Training

Albert Einstein College of Medicine of Yeshiva University (Class of 1996)

Practice Footprint

Mailing address

325 Distel Cir, Los Altos, CA 94022-1408

Differs from practice location

Primary hospital affiliation: Critical Access Hospitals

CMS Certification Number: 191319

View hospital on Medicare Care Compare

Virtual Internal Medicine Care With Diane Mcgrew

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

Schedule a virtual visit with Diane Mcgrew for cholesterol management, blood pressure monitoring, arthritis follow-ups — no travel to Scotts Valley 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 Diane Mcgrew

Dr. Mcgrew is listed as active in the NPI registry with telehealth listed in Scotts Valley, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (831) 458-6330.

Verified across 4 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · 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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