Irene Teper, M.D.
Internal Medicine Physician · Mill Valley, CA
Irene Teper, M.D. is an internal medicine physician with a practice address in Mill Valley, California, and NPI 1073584520, issued on Jan 31, 2006. Check the license (California A84912, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Irene Teper
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A84912 CA
Self-reported in NPPES; status is on the state search - Practice location
- 655 Redwood Hwy Frontage RD Ste 375, Mill Valley, CA 94941
- Phone
- (415) 212-8332
- Enumerated
- Jan 31, 2006
- Record last updated
- Feb 22, 2023
- Medicare enrollment
- Enrolled (PECOS I20050719000548); accepts Medicare assignment
- Medical or professional school
- State University Of New York At Buffalo School Of Medicine, 2002
- 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 655 Redwood Hwy Frontage RD Ste 375
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Douglas Cohen, M.D.Internal Medicine Physician1932127248
- Catherine Flaxman, LMFTMarriage & Family Therapist1497376347
- Elizabeth KennardMental Health Counselor1982836771
Verify Irene Teper in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A84912Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,128 Medicare Part D claims for 262 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 52 claims were for opioids.
Most prescribed
- Levothyroxine Sodium100 claims
- Rosuvastatin Calcium97 claims
- Atorvastatin Calcium96 claims
- Gabapentin59 claims
- Paxlovid58 claims
- Hydrochlorothiazide45 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.
Industry payments in 2024: $262.75
3 payments; by number, the most common kind was food and beverage; the largest payer was Heartflow, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Irene Teper among 17,696 internal medicine physician records in California
Irene Teper, M.D. 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 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2002 · median 2004 among the 11,065 with a school on file
- Record last updated2023 · 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
- Kathy Chang-Lipsenthal, MDMill Valley, CA 949411356340079
- 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
Common questions
What is Irene Teper, M.D.'s NPI number?
Irene Teper, M.D.'s National Provider Identifier (NPI) is 1073584520, issued on Jan 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Irene Teper, M.D. located?
The NPPES record lists a practice address at 655 Redwood Hwy Frontage RD Ste 375, Mill Valley, CA, 94941. Phone: (415) 212-8332. Providers update this record themselves, so call before visiting.
How can I verify Irene Teper, M.D.'s license?
NPPES lists California license number A84912, 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 Irene Teper, M.D. prescribe under Medicare Part D?
In 2024, Irene Teper, M.D. had 2,128 Medicare Part D claims for 262 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.