Amy Stern Kobalter, M.D.
Dermatology Physician · San Rafael, CA
Amy Stern Kobalter, M.D. is a dermatology physician with a practice address in San Rafael, California, and NPI 1902830623, issued on Jul 10, 2006. Check the license (California G78305, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Amy Stern Kobalter
- Credential
- M.D.
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- G78305 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5000 Civic Center Dr, San Rafael, CA 94903
- Phone
- (415) 499-0100
- Enumerated
- Jul 10, 2006
- Record last updated
- Sep 17, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (415) 499-0290
- Medicare enrollment
- Enrolled (PECOS I20050502001345); may accept Medicare assignment
- Medical or professional school
- University Of California, San Diego School Of Medicine, 1992
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 2,083 in California → Look up another NPI →
Also registered at 5000 Civic Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kristen Chen, MDDermatology Physician1952930604
- Ravinder Gogia, MDDermatology Physician1083872618
- Renee Howard, M.D.Dermatology Physician1952336232
- Matthew Koehler, DODermatology Physician1801090519
- Lucinda Kohn, M.D.Pediatric Dermatology Physician1346669561
- Elaine Lin, M.D.Dermatology Physician1881049872
Verify Amy Stern Kobalter in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G78305Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5% fewer Medicare Part D claims than the average dermatology physician in 2024
754 Medicare Part D claims for 369 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.
Most prescribed
- Ketoconazole240 claims
- Triamcinolone Acetonide88 claims
- Mupirocin70 claims
- Fluorouracil48 claims
- Hydrocortisone34 claims
- Metronidazole33 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 75.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $302.92
11 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 10,250 providers of this specialty with any payment received $8,544.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Regents Univ OF California UcsfSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Amy Stern Kobalter among 2,083 dermatology physician records in California
Amy Stern Kobalter, M.D. is one of 2,083 dermatology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 56% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1992 · median 2006 among the 1,450 with a school on file
- Record last updated2008 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in California
There are 2,083 dermatology physician records in California.
All 2,083 in California → Every provider in San Rafael → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Kristen Chen, MDSan Rafael, CA 949031952930604
- Ravinder Gogia, MDSan Rafael, CA 949031083872618
- Julia Haimowitz, MDSan Rafael, CA 949031205910205
- Renee Howard, M.D.San Rafael, CA 949031952336232
- Linda Hwang, MDSan Rafael, CA 949031124102116
- Estelle Kahn, MDSan Rafael, CA 949031336465517
- Kevin Kim, M.D./PH.D.San Rafael, CA 949031063755734
- Matthew Koehler, DOSan Rafael, CA 949031801090519
Common questions
What is Amy Stern Kobalter, M.D.'s NPI number?
Amy Stern Kobalter, M.D.'s National Provider Identifier (NPI) is 1902830623, issued on Jul 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Amy Stern Kobalter, M.D. located?
The NPPES record lists a practice address at 5000 Civic Center Dr, San Rafael, CA, 94903. Phone: (415) 499-0100. Providers update this record themselves, so call before visiting.
How can I verify Amy Stern Kobalter, M.D.'s license?
NPPES lists California license number G78305, 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 Amy Stern Kobalter, M.D. prescribe under Medicare Part D?
In 2024, Amy Stern Kobalter, M.D. had 754 Medicare Part D claims for 369 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
What is Amy Stern Kobalter, M.D.'s MIPS final score?
The 2023 MIPS final score is 75.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.