Martha E. Wittenberg, M.D.
Family Medicine Physician · Long Beach, CA
Martha E. Wittenberg, M.D. is a family medicine physician with a practice address in Long Beach, California, and NPI 1548362577, issued on Sep 1, 2006. Check the license (California A90355, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Martha E. Wittenberg
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A90355 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5855 E. 2ND Street, Long Beach, CA 90803
- Phone
- (310) 266-7284
- Enumerated
- Sep 1, 2006
- Record last updated
- Sep 21, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (562) 433-4342
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Verify Martha E. Wittenberg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A90355Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average family medicine physician in 2024
175 Medicare Part D claims for 35 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Progesterone24 claims
- Estradiol (Twice Weekly)16 claims
- Baclofen12 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.
Martha E. Wittenberg among 17,133 family medicine physician records in California
Martha E. Wittenberg, M.D. is one of 17,133 family medicine physician records with a practice address in California. 81% 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, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2015 · 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 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
213 family medicine physician records list a practice address in Long Beach
They are 213 of the 13,650 NPPES records with a practice address in Long Beach, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Long Beach → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Dipeshbhai Bhakta, M.D.Long Beach, CA 908031932361011
- Michael EspinoLong Beach, CA 908031598393803
- Kendall Frisoli, MDLong Beach, CA 908031235889825
- Weiping Sarah Mei, M.D.Long Beach, CA 908031588793848
- Kash Nair, M.D.Long Beach, CA 908031134454283
- Roger Nash, DOLong Beach, CA 908031083638480
- James Norcross, DOLong Beach, CA 908031851305809
- Nicolas Reyes, MDLong Beach, CA 908031710484704
Common questions
What is Martha E. Wittenberg, M.D.'s NPI number?
Martha E. Wittenberg, M.D.'s National Provider Identifier (NPI) is 1548362577, issued on Sep 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Martha E. Wittenberg, M.D. located?
The NPPES record lists a practice address at 5855 E. 2ND Street, Long Beach, CA, 90803. Phone: (310) 266-7284. Providers update this record themselves, so call before visiting.
How can I verify Martha E. Wittenberg, M.D.'s license?
NPPES lists California license number A90355, 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 Martha E. Wittenberg, M.D. prescribe under Medicare Part D?
In 2024, Martha E. Wittenberg, M.D. had 175 Medicare Part D claims for 35 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.