NPPES file of Aug 9, 2026

James Michael Weisel, MD

Ophthalmology Physician · Sacramento, CA

James Michael Weisel, MD is an ophthalmology physician with a practice address in Sacramento, California, and NPI 1306985049, issued on Feb 6, 2007. Check the license (California A98083, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1306985049
Name
James Michael Weisel
Credential
MD
Primary taxonomy
Ophthalmology Physician 207W00000X
License number
A98083 CA
Self-reported in NPPES; status is on the state search
Practice location
4860 Y St Ste 2400, Sacramento, CA 95817
Phone
(916) 734-6891
Enumerated
Feb 6, 2007
Record last updated
Dec 13, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(916) 734-6331
Medicare enrollment
Enrolled (PECOS I20090826000878); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 4860 Y St Ste 2400

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Aparna Ajjarapu, MDStudent in an Organized Health Care Education/Training Program1962253070
  2. James Brandt, M.D.Ophthalmology Physician1578544136
  3. Evan Chang, MDOphthalmology Physician1457856759
  4. Nicholas Chartrand, MDStudent in an Organized Health Care Education/Training Program1912712696
  5. Andrew ChenStudent in an Organized Health Care Education/Training Program1023694981
  6. David Chu, MDOphthalmology Physician1427190578

Verify James Michael Weisel in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A98083
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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17% fewer Medicare Part D claims than the average ophthalmology physician in 2024

1,263 Medicare Part D claims for 309 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims.

  1. James Weisel1,263
  2. Specialty average1,518

Most prescribed

  1. Latanoprost278 claims
  2. Prednisolone Acetate215 claims
  3. Dorzolamide-Timolol149 claims
  4. Diclofenac Sodium138 claims
  5. Polymyxin B Sul-Trimethoprim116 claims
  6. Timolol Maleate76 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

  1. Permanente Medical Group IncSanta Clara, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

James Michael Weisel among 2,899 ophthalmology physician records in California

James Michael Weisel, MD is one of 2,899 ophthalmology 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 2007, is newer than 55% of them.

  • NPI issued2007 · 55% of these records are older, 33% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2005 · median 2001 among the 1,907 with a school on file
  • Record last updated2021 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Ophthalmology Physician providers in California

There are 2,899 ophthalmology physician records in California.

The 8 ophthalmology physician records with the nearest ZIP codes

  1. James Brandt, M.D.Sacramento, CA 958171578544136
  2. Jeffrey Caspar, M.D.Sacramento, CA 958171609850452
  3. David Chu, MDSacramento, CA 958171427190578
  4. John Keltner, M.D.Sacramento, CA 958171659353522
  5. Esther Kim, M.D.Sacramento, CA 958171740265073
  6. Michele Lim, M.D.Sacramento, CA 958171962487025
  7. Lily Lin, M.D.Sacramento, CA 958171306908108
  8. William Lloyd, M.D.Sacramento, CA 958171710961479

Common questions

What is James Michael Weisel, MD's NPI number?

James Michael Weisel, MD's National Provider Identifier (NPI) is 1306985049, issued on Feb 6, 2007. An NPI identifies a provider in billing; it is not a license.

Where is James Michael Weisel, MD located?

The NPPES record lists a practice address at 4860 Y St Ste 2400, Sacramento, CA, 95817. Phone: (916) 734-6891. Providers update this record themselves, so call before visiting.

How can I verify James Michael Weisel, MD's license?

NPPES lists California license number A98083, 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 James Michael Weisel, MD prescribe under Medicare Part D?

In 2024, James Michael Weisel, MD had 1,263 Medicare Part D claims for 309 beneficiaries; the average among ophthalmology physician prescribers was 1,518. 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.