NPPES file of Aug 9, 2026

Jack McGregor, MD

Infectious Disease Physician · San Francisco, CA

Jack McGregor, MD is an infectious disease physician with a practice address in San Francisco, California, and NPI 1053949974, issued on Mar 27, 2020. Check the license (California A187041, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1053949974
Name
Jack McGregor
Credential
MD
Primary taxonomy
Infectious Disease Physician 207RI0200X
License number
A187041 CA
Self-reported in NPPES; status is on the state search
Practice location
1100 Van Ness Ave Ste 1005, San Francisco, CA 94109
Phone
(415) 923-3883
Enumerated
Mar 27, 2020
Record last updated
Jul 15, 2026
Medicare enrollment
Enrolled (PECOS I20230817003706); accepts Medicare assignment
Medical or professional school
University Of California, Geffen School Of Medicine, 2020
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 1100 Van Ness Ave Ste 1005

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

  1. Morgan Gilani, MDPulmonary Disease Physician1902172042
  2. Chongiin KimInternal Medicine Physician1578086518
  3. Jennifer Ling, M.D.Infectious Disease Physician1558685826
  4. Brandon Lu, M.D., M.S.Sleep Medicine (Internal Medicine) Physician1093836710

Verify Jack McGregor in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A187041
    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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97% fewer Medicare Part D claims than the average infectious disease physician in 2024

23 Medicare Part D claims, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D.

  1. Jack McGregor23
  2. Specialty average689

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.

The practice group's MIPS final score for 2023 (Medicare payment program): 91.9 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score83.5
  2. Costout of 100 · 30%68.0
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $36.45

1 payment: food and beverage; the largest payer was Abiomed. The 3,895 providers of this specialty with any payment received $4,362.19 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jack McGregor$36.45
  2. Specialty average$4,362.19

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. University OF California Sfgh Medical GroupSan Francisco, CA

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

Jack McGregor among 1,119 infectious disease physician records in California

Jack McGregor, MD is one of 1,119 infectious disease 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 2020, is newer than 95% of them.

  • NPI issued2020 · 95% of these records are older, 3% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2020 · median 2003 among the 735 with a school on file
  • Record last updated2026 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Infectious Disease Physician providers in California

There are 1,119 infectious disease physician records in California.

The 8 infectious disease physician records with the nearest ZIP codes

  1. Helen Gunthorpe, M.D.San Francisco, CA 941091588760565
  2. Layli Jamali, M.D.San Francisco, CA 941091598059644
  3. Saman Kannangara, MDSan Francisco, CA 941091508893421
  4. Gifford Leoung, M.D.San Francisco, CA 941091295782225
  5. Jennifer Ling, M.D.San Francisco, CA 941091558685826
  6. Henry Chambers III, MDSan Francisco, CA 941101184715773
  7. Stephanie Cohen, M.D.San Francisco, CA 941101043411317
  8. Moupali Das, MDSan Francisco, CA 941101801914270

Common questions

What is Jack McGregor, MD's NPI number?

Jack McGregor, MD's National Provider Identifier (NPI) is 1053949974, issued on Mar 27, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Jack McGregor, MD located?

The NPPES record lists a practice address at 1100 Van Ness Ave Ste 1005, San Francisco, CA, 94109. Phone: (415) 923-3883. Providers update this record themselves, so call before visiting.

How can I verify Jack McGregor, MD's license?

NPPES lists California license number A187041, 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 Jack McGregor, MD prescribe under Medicare Part D?

In 2024, Jack McGregor, MD had 23 Medicare Part D claims; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.

What is Jack McGregor, MD's MIPS final score?

The 2023 MIPS final score is 91.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.