Kathy H. Chang-Lipsenthal, MD
Internal Medicine Physician · Mill Valley, CA
Kathy H. Chang-Lipsenthal, MD is an internal medicine physician with a practice address in Mill Valley, California, and NPI 1356340079, issued on Jul 14, 2005. Check the license (California G080023, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Kathy H. Chang-Lipsenthal
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G080023 CA
Self-reported in NPPES; status is on the state search - Practice location
- 750 Redwood Hwy Frontage RD Ste 1210, Mill Valley, CA 94941
- Phone
- (888) 663-6331
- Enumerated
- Jul 14, 2005
- Record last updated
- Sep 30, 2025
- Fax
- (415) 252-7176
- Medicaid ID
- G080023 CA
- Medicare enrollment
- Enrolled (PECOS I20150216001867); may accept Medicare assignment
- Medical or professional school
- Howard University College Of Medicine, 1980
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 750 Redwood Hwy Frontage RD Ste 1210
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jennifer Baldwin, APRNNurse Practitioner1447772850
- Charles Brandsmeier, APNPGerontology Nurse Practitioner1891214763
- Neha Choubey, DOFamily Medicine Physician1316575665
- David Cole, M.D.Family Medicine Physician1174919476
- Laura Collins, MDInternal Medicine Physician1619976339
- Laravic Flores, M.D.Family Medicine Physician1013398973
Verify Kathy H. Chang-Lipsenthal in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G080023Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average internal medicine physician in 2024
880 Medicare Part D claims for 183 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium94 claims
- Levothyroxine Sodium63 claims
- Amlodipine Besylate34 claims
- Losartan Potassium31 claims
- Omeprazole26 claims
- Gabapentin25 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Kathy H. Chang-Lipsenthal among 17,696 internal medicine physician records in California
Kathy H. Chang-Lipsenthal, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 95% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1980 · median 2004 among the 11,065 with a school on file
- Record last updated2025 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
14 internal medicine physician records list a practice address in Mill Valley
They are 14 of the 653 NPPES records with a practice address in Mill Valley, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Mill Valley → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Holly Batterman, M.D.Mill Valley, CA 949411124138276
- Douglas Cohen, M.D.Mill Valley, CA 949411932127248
- Laura Collins, MDMill Valley, CA 949411619976339
- Grace Dammann, M.D.Mill Valley, CA 949411558406736
- Cynthia Fenton, M.D.Mill Valley, CA 949411063720431
- Deanna GreenMill Valley, CA 949411285095182
- David Kirn, MDMill Valley, CA 949411821629296
- Alison Lavoy, M.D.Mill Valley, CA 949411407871197
Common questions
What is Kathy H. Chang-Lipsenthal, MD's NPI number?
Kathy H. Chang-Lipsenthal, MD's National Provider Identifier (NPI) is 1356340079, issued on Jul 14, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Kathy H. Chang-Lipsenthal, MD located?
The NPPES record lists a practice address at 750 Redwood Hwy Frontage RD Ste 1210, Mill Valley, CA, 94941. Phone: (888) 663-6331. Providers update this record themselves, so call before visiting.
How can I verify Kathy H. Chang-Lipsenthal, MD's license?
NPPES lists California license number G080023, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Kathy H. Chang-Lipsenthal, MD prescribe under Medicare Part D?
In 2024, Kathy H. Chang-Lipsenthal, MD had 880 Medicare Part D claims for 183 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.