Margaret M. Haggerty, MD
Anesthesiology Physician · Tracy, CA
Margaret M. Haggerty, MD is an anesthesiology physician with a practice address in Tracy, California, and NPI 1881816072, issued on May 3, 2007. Check the license (California G85149, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Margaret M. Haggerty
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- G85149 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1420 N Tracy Blvd, Tracy, CA 95376
- Phone
- (209) 835-1500
- Enumerated
- May 3, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 7,571 in California → Look up another NPI →
Also registered at 1420 N Tracy Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Veronica Alfaro, MSN, APRN, FNP-CFamily Nurse Practitioner1396423505
- Paul Anderson, PAEmergency Medicine Physician1184605396
- Jennifer Bailey, MDEmergency Medicine Physician1336423516
- Kevin Barnwell, PAPhysician Assistant1740804665
- Allen Chang, MDEmergency Medicine Physician1588976567
- Ashley Chow, PHARMDPharmacist1790305639
Verify Margaret M. Haggerty in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G85149Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Margaret M. Haggerty among 7,571 anesthesiology physician records in California
Margaret M. Haggerty, MD is one of 7,571 anesthesiology physician records with a practice address in California. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 47% of them.
- NPI issued2007 · 47% of these records are older, 43% newer
- In a Medicare fileNo · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- Record last updated2007 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anesthesiology Physician providers in California
There are 7,571 anesthesiology physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 7,571 in California → Every provider in Tracy → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Ian Brown, M.D.Tracy, CA 953771538167903
- David Edelsohn, MDTracy, CA 953771104879089
- Christopher Fossaceca, MDTracy, CA 953771295817880
- James Halderman, M.D.Tracy, CA 953771679514012
- Samuel Oh, MDTracy, CA 953771881770279
- Anita Xue, M.D.Tracy, CA 953771215203906
- Maher Abadir, MDTurlock, CA 953821669491718
- Todd Christensen, M.D.Sonora, CA 953701184674426
Common questions
What is Margaret M. Haggerty, MD's NPI number?
Margaret M. Haggerty, MD's National Provider Identifier (NPI) is 1881816072, issued on May 3, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Margaret M. Haggerty, MD located?
The NPPES record lists a practice address at 1420 N Tracy Blvd, Tracy, CA, 95376. Phone: (209) 835-1500. Providers update this record themselves, so call before visiting.
How can I verify Margaret M. Haggerty, MD's license?
NPPES lists California license number G85149, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.