Kathy H Chang-Lipsenthal, MD

Internal Medicine

Kathy H Chang-Lipsenthal is an Internal Medicine specialist based in Mill Valley, CA with over 46 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

(888) 663-6331Mill Valley, CA
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Kathy H Chang-Lipsenthal, MD has been part of the Mill Valley medical community since 2005 in independent practice. She graduated from Howard University College of Medicine in 1980 and has 46+ years of clinical experience. She regularly sees Medicare patients with high cholesterol, hypertension, and arthritis (per CMS claims data).

At a glance

  • Prescribes opioids less than 37% 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 Mill Valley46+ years experienceNPI since 2005

Older · 235dNPPES updated 2025-09-30 · verify NPI on CMS · Verify license at Medical Board of California

Contact & Location

Practice Location

750 Redwood Hwy Frontage Rd Ste 1210, Mill Valley, CA 94941-2483

Fax: (415) 252-7176
CMS Clinical Data

How Does This Doctor Compare?

Based on Medicare data, this doctor prescribes opioid pain medications conservatively.

Opioid Rx

↓ Lower = better

2.14%

California avg: 5.2 · US avg: 5.1

Higher than most doctors nationally(-3 pts)

2.14% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.

Medicare Patients

234

Unique beneficiaries

Standard volume

Prescription Recipients

156

Patients prescribed

Prescriptions Written

747

Total claims

Total Medicare drug cost: $68k

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
Lower than avg (-9%)61%

Elevated cholesterol or triglycerides that increase heart disease risk

US avg: 70.4%

↓ Fewer patients than average (-9%) — less common here

Hypertension
Lower than avg (-20%)50%

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

US avg: 70.2%

↓ Fewer patients than average (-20%) — less common here

Arthritis
Lower than avg (-11%)38%

Joint inflammation causing pain, swelling, and stiffness

US avg: 49.3%

↓ Fewer patients than average (-11%) — 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 · 1980

    Howard University College of Medicine

  2. Board certified · Sep 29, 2025

    Self-reported via NPPES

  3. 46 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

Howard University College of Medicine (Class of 1980)

Practice Footprint

Mailing address

1 Embarcadero Ctr Ste 1900, San Francisco, CA 94111-3723

Differs from practice location

Primary hospital affiliation: Psychiatric

CMS Certification Number: 194107

View hospital on Medicare Care Compare

Virtual Internal Medicine Care With Kathy H Chang-Lipsenthal

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

Schedule a virtual visit with Kathy H Chang-Lipsenthal for cholesterol management, blood pressure monitoring, arthritis follow-ups — no travel to Mill 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 Kathy H Chang-Lipsenthal

Dr. Chang-Lipsenthal is listed as active in the NPI registry with telehealth listed in Mill Valley, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (888) 663-6331.

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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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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