Mary Margaret Hadcock, M.D.
Surgical Oncology Physician · Fresno, CA
Mary Margaret Hadcock, M.D. is a surgical oncology physician with a practice address in Fresno, California, and NPI 1942247606, issued on Jun 1, 2006. Check the license (California G52091, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mary Margaret Hadcock
- Credential
- M.D.
- Primary taxonomy
- Surgical Oncology Physician 2086X0206X
- License number
- G52091 CA
Self-reported in NPPES; status is on the state search - Practice location
- 7887 N Cedar Ave, Fresno, CA 93720
- Phone
- (559) 320-4300
- Enumerated
- Jun 1, 2006
- Record last updated
- Mar 10, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (559) 320-4343
- Medicare enrollment
- Enrolled (PECOS I20040302001314); accepts Medicare assignment
- Medical or professional school
- Loyola University Of Chicago, Stritch School Of Medicine, 1979
- Entity
- Type 1 · individual
8 nearest surgical oncology physician records → All 250 in California → Look up another NPI →
Also registered at 7887 N Cedar Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brittany Daddino, NP-CNurse Practitioner1487173118
- Giatri Dave, MDRadiation Oncology Physician1316901663
- Tran Ho, D.O.Surgery Physician1144666322
- Li Liu, MDRadiation Oncology Physician1619946753
- Victor Perry, MDNeurological Surgery Physician1144276288
- William Podolsky, M.D., PH.DRadiation Oncology Physician1588639710
Verify Mary Margaret Hadcock in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G52091Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% fewer Medicare Part D claims than the average surgical oncology physician in 2024
28 Medicare Part D claims for 14 beneficiaries, against an average of 87 among the 1,237 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.
Industry payments in 2024: $14.36
1 payment: food and beverage; the largest payer was Smith+Nephew, Inc. The 1,132 providers of this specialty with any payment received $4,224.74 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Mary Margaret Hadcock among 250 surgical oncology physician records in California
Mary Margaret Hadcock, M.D. is one of 250 surgical oncology physician records with a practice address in California. 84% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 64% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated1979 · median 2004 among the 184 with a school on file
- Record last updated2021 · 44% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086X0206X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgical Oncology Physician providers in California
There are 250 surgical oncology physician records in California.
All 250 in California → Every provider in Fresno → Surgical Oncology Physician nationwide →
The 8 surgical oncology physician records with the nearest ZIP codes
- Meelod Daneshvar-Hosseini, MDFresno, CA 937011851928659
- Amir Fathi, MDFresno, CA 937011396908398
- Mark Healy, MDSalinas, CA 939011437445798
- Brendan Boland, MDLancaster, CA 935341790944783
- Heather Player, MDLancaster, CA 935341023302973
- Hans Schoellhammer, MDLancaster, CA 935341861684938
- Aaron Scott, M.D.Lancaster, CA 935341295115814
- Kimberly Dalal, MDBurlingame, CA 940101831168368
Common questions
What is Mary Margaret Hadcock, M.D.'s NPI number?
Mary Margaret Hadcock, M.D.'s National Provider Identifier (NPI) is 1942247606, issued on Jun 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary Margaret Hadcock, M.D. located?
The NPPES record lists a practice address at 7887 N Cedar Ave, Fresno, CA, 93720. Phone: (559) 320-4300. Providers update this record themselves, so call before visiting.
How can I verify Mary Margaret Hadcock, M.D.'s license?
NPPES lists California license number G52091, 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 Mary Margaret Hadcock, M.D. prescribe under Medicare Part D?
In 2024, Mary Margaret Hadcock, M.D. had 28 Medicare Part D claims for 14 beneficiaries; the average among surgical oncology physician prescribers was 87. 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.