Jacquelyn Jo Maher, MD
Gastroenterology Physician · San Francisco, CA
Jacquelyn Jo Maher, MD is a gastroenterology physician with a practice address in San Francisco, California, and NPI 1457454951, issued on Sep 7, 2006. Check the license (California G49955, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jacquelyn Jo Maher
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- G49955 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1001 Potrero Avenue, San Francisco, CA 94110
- Phone
- (415) 206-8822
- Enumerated
- Sep 7, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (415) 206-5199
- Medicaid ID
- 00G499550 CA
- Medicare enrollment
- Enrolled (PECOS I20090126000010); accepts Medicare assignment
- Medical or professional school
- Duke University School Of Medicine, 1979
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →
Also registered at 1001 Potrero Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
- James Allison, MDGastroenterology Physician1265535777
- Deborah Anderson, CNMRegistered Nurse1801821053
- Patrick AvilaGastroenterology Physician1114365699
- Amin Azzam, MDPsychiatry Physician1811927395
- Jennifer Babik, MDInternal Medicine Physician1457421208
- Roland Bainton, MDAnesthesiology Physician1376596213
Verify Jacquelyn Jo Maher in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G49955Check 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 gastroenterology physician in 2024
19 Medicare Part D claims, against an average of 811 among the 16,445 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.
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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- 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).
Jacquelyn Jo Maher among 2,140 gastroenterology physician records in California
Jacquelyn Jo Maher, MD is one of 2,140 gastroenterology physician records with a practice address in California. 83% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 48% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1979 · median 2002 among the 1,538 with a school on file
- Record last updated2007 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in California
There are 2,140 gastroenterology physician records in California.
All 2,140 in California → Every provider in San Francisco → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- James Allison, MDSan Francisco, CA 941101265535777
- Patrick AvilaSan Francisco, CA 941101114365699
- Jeffrey Baumgardner, MDSan Francisco, CA 941101851533574
- Sun-Chuan Dai, MDSan Francisco, CA 941101811157050
- Colin FeuilleSan Francisco, CA 941101851718118
- Stanley Goldberg, MDSan Francisco, CA 941101366545865
- Mandana Khalili, MDSan Francisco, CA 941101184727687
- Shreya PatelSan Francisco, CA 941101881949691
Common questions
What is Jacquelyn Jo Maher, MD's NPI number?
Jacquelyn Jo Maher, MD's National Provider Identifier (NPI) is 1457454951, issued on Sep 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jacquelyn Jo Maher, MD located?
The NPPES record lists a practice address at 1001 Potrero Avenue, San Francisco, CA, 94110. Phone: (415) 206-8822. Providers update this record themselves, so call before visiting.
How can I verify Jacquelyn Jo Maher, MD's license?
NPPES lists California license number G49955, 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 Jacquelyn Jo Maher, MD prescribe under Medicare Part D?
In 2024, Jacquelyn Jo Maher, MD had 19 Medicare Part D claims; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Jacquelyn Jo Maher, 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.