William M. Weiser, MD
Neuromusculoskeletal Medicine & OMM Physician · Bellflower, CA
William M. Weiser, MD is a neuromusculoskeletal medicine & omm physician with a practice address in Bellflower, California, and NPI 1255408142, issued on Nov 29, 2006. Check the license (California A55245, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William M. Weiser
- Credential
- MD
- Primary taxonomy
- Neuromusculoskeletal Medicine & OMM Physician 204D00000X
- License number
- A55245 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9400 Rosecrans Ave, Bellflower, CA 90706
- Phone
- (562) 461-3000
- Enumerated
- Nov 29, 2006
- Record last updated
- Dec 1, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20110120000104); accepts Medicare assignment
- Medical or professional school
- University Of California, Irvine, California College Of Medicine, 1994
- Entity
- Type 1 · individual
8 nearest neuromusculoskeletal medicine & omm physician records → All 220 in California → Look up another NPI →
Also registered at 9400 Rosecrans Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Basil Abdelkarim, MDInternal Medicine Physician1003968454
- Le Marie Abellon, NPNurse Practitioner1144389867
- Adrian Acevedo, MDEmergency Medicine Physician1407923303
- Pravin Acharya, MDEmergency Medicine Physician1104993088
- Michele Afshar, PAPhysician Assistant1013065952
- Maria Agbing-Mamangun, MDPsychiatry Physician1063589984
Verify William M. Weiser in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license A55245Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average neuromusculoskeletal medicine & omm physician in 2024
12 Medicare Part D claims, against an average of 604 among the 400 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupDowney, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William M. Weiser among 220 neuromusculoskeletal medicine & omm physician records in California
William M. Weiser, MD is one of 220 neuromusculoskeletal medicine & omm physician records with a practice address in California. 57% 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 2% of them.
- NPI issued2006 · 2% of these records are older, 54% newer
- In a Medicare fileYes · 57% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1994 · median 1997 among the 109 with a school on file
- Record last updated2021 · 85% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 204D00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neuromusculoskeletal Medicine & OMM Physician providers in California
There are 220 neuromusculoskeletal medicine & omm physician records in California.
All 220 in California → Every provider in Bellflower → Neuromusculoskeletal Medicine & OMM Physician nationwide →
The 8 neuromusculoskeletal medicine & omm physician records with the nearest ZIP codes
- Julian Ballesteros, MDBellflower, CA 907061598832503
- Richard Dell, MDBellflower, CA 907061992876817
- Maylene Glidewell, MDBellflower, CA 907061245307172
- Narendra Gurbani, MDBellflower, CA 907061316099773
- Michelle Money, MDBellflower, CA 907061710002217
- Glenn Shulman, MDBellflower, CA 907061649341520
- Bradley Steele, MDBellflower, CA 907061891862777
- Robert Sundstrom, MDBellflower, CA 907061003983933
Common questions
What is William M. Weiser, MD's NPI number?
William M. Weiser, MD's National Provider Identifier (NPI) is 1255408142, issued on Nov 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William M. Weiser, MD located?
The NPPES record lists a practice address at 9400 Rosecrans Ave, Bellflower, CA, 90706. Phone: (562) 461-3000. Providers update this record themselves, so call before visiting.
How can I verify William M. Weiser, MD's license?
NPPES lists California license number A55245, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does William M. Weiser, MD prescribe under Medicare Part D?
In 2024, William M. Weiser, MD had 12 Medicare Part D claims; the average among neuromusculoskeletal medicine & omm physician prescribers was 604. 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.