Am J Sports Med
Biomechanical PhenomenaCadaverJoint Instability
Dr. William M. Weiser, MD
NPI1255408142PAC ID4981883188
- Part D claims, 2024
- 12
- Publications
- 1
- Affiliated sites
- 3
- Medical group
- 1
- State license
- 1
- Practice address
- 9400 Rosecrans Avenue, Bellflower, CA 90706
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD
Acute Care Hospital outpatient department · Bellflower, California
Find Dr. Weiser's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. William M. Weiser is a neuromusculoskeletal medicine and omm physician in Bellflower, California
Dr. Weiser practices at Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD in Bellflower, California.
Dr. Weiser's NPI, 1255408142, was assigned on November 29, 2006. Dr. Weiser graduated from UC Irvine School of Medicine in 1994. Dr. Weiser's California license number on file is A55245.
NPI and contact details
- NPI
- 1255408142NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4981883188
- NPI enumeration date
- November 29, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William M. Weiser practices at Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD in Bellflower, California
Dr. Weiser's primary practice is Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD, at 9400 Rosecrans Avenue, Bellflower, CA 90706.
- Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD9400 Rosecrans Avenue, Bellflower, CA 90706
Source: Dmand AI Affiliation Data
Dr. William M. Weiser is affiliated with 3 sites of care and 1 medical group
Dr. Weiser's primary practice is Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD in Bellflower, California. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Weiser to 1 more breast imaging center and 1 group practice or clinic, each named with a free account. Dr. Weiser's employer is on file too: a hospital.
Kaiser Permanente Medical Group Bellflower Medical Offices - HOPDPrimary
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. William M. Weiser's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Weiser practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William M. Weiser is one of 174 neuromusculoskeletal medicines and omm physicians in California
Neuromusculoskeletal medicine and omm is Dr. Weiser's primary specialty in the NPI Registry, under taxonomy code 204D00000X. Dr. Weiser is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery. Dr. Weiser has a license on file in California.
Specialties and state licenses
- Neuromusculoskeletal medicine and omm, CaliforniaPrimary
Clinical focus
Dmand AI lists joint pain and lower back pain among the conditions Dr. Weiser treats.
Neuromusculoskeletal medicines and omm physicians near Dr. Weiser
Counts of neuromusculoskeletal medicines and omm physicians with a Dmand AI profile, by place and practice. Each opens the list.
174neuromusculoskeletal medicines and omm physicians in California
5neuromusculoskeletal medicines and omm physicians in Bellflower
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. William M. Weiser's patients have a median age of 12
Across all payers, Dmand AI patient panel data puts Dr. Weiser's median patient age at 12, with 57% women.
Dr. Weiser's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 12
Patient panel by sex, all payers
- Women57%
- Men43%
Source: Dmand AI Patient Panel Data
Dr. William M. Weiser wrote 12 Medicare Part D claims in 2024
In 2024, Dr. Weiser wrote 12 Medicare Part D claims. 100% of them were for generic drugs. They cover 1 drug, with $111 in total drug cost.
Part D claims, 202412
Drugs named by CMS1
Total drug cost$111
Dr. Weiser's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. William M. Weiser takes part in Medicare
Dr. Weiser accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. William M. Weiser has 1 publication on record
Dmand AI links 1 paper to Dr. Weiser. Dr. Weiser's most frequent co-author is William C. McMaster, MD.
Papers1
Dr. Weiser's most frequent co-authors
Recent publications by Dr. Weiser
See who Dr. Weiser researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Weiser works with, so you can find a warm path to the right neuromusculoskeletal medicines and omm physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. William M. Weiser has 1 award and honors on record
Dmand AI lists 1 award for Dr. Weiser, most recently CMS Stage 1 2012 in 2011.
Awards and honors for Dr. Weiser
- 2011
- CMS Stage 1 2012
Source: Dmand AI Professional Profile Data
Dr. William M. Weiser graduated from UC Irvine School of Medicine
Dr. Weiser graduated from UC Irvine School of Medicine in 1994.
- Medical school
- Board certified in orthopaedic surgery
Source: Dmand AI Professional Profile Data
Sources for Dr. William M. Weiser's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. William M. Weiser
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. William M. Weiser's NPI number?
Dr. William M. Weiser's NPI number is 1255408142. It was assigned on November 29, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. William M. Weiser?
Dr. William M. Weiser is a neuromusculoskeletal medicine and omm physician in Bellflower, California. The primary specialty in the NPI Registry is Neuromusculoskeletal Medicine & OMM Physician (taxonomy code 204D00000X).
Where does Dr. William M. Weiser practice?
Dr. Weiser practices at 9400 Rosecrans Avenue, Bellflower, CA 90706. Dr. Weiser's primary practice is Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD in Bellflower, California. Dmand AI also links Dr. Weiser to 1 breast imaging center and 1 group practice or clinic.
What is Dr. William M. Weiser's medical license number?
Dr. Weiser's California license number on file is A55245.
What medical group is Dr. William M. Weiser part of?
Dr. Weiser is linked to Southern California Permanente Medical Group.
Does Dr. William M. Weiser accept Medicare?
Yes. CMS lists Dr. Weiser as accepting Medicare assignment.
Is Dr. William M. Weiser board certified?
Yes. Dr. Weiser is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery.
Where did Dr. William M. Weiser go to medical school?
Dr. Weiser graduated from UC Irvine School of Medicine in 1994.
What drugs does Dr. William M. Weiser prescribe most?
In 2023 Medicare Part D data, Dr. Weiser's most prescribed drugs by claims were Meloxicam.
How long has Dr. William M. Weiser been practicing?
Dr. Weiser graduated from medical school in 1994, 32 years ago.
Does Dr. William M. Weiser do research?
Dmand AI links 1 publication to Dr. Weiser.
Who does Dr. William M. Weiser publish with?
Dr. Weiser's most frequent co-authors are William C. McMaster, MD (1 shared paper).
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