NPPES file of Aug 9, 2026

Chrystal Anastasia Lucretia Bradley, M.D.

Obstetrics & Gynecology Physician · Sonora, CA

Chrystal Anastasia Lucretia Bradley, M.D. is an obstetrics & gynecology physician with a practice address in Sonora, California, and NPI 1366886392, issued on Apr 21, 2013. Check the license (California A124830, 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
1366886392
Name
Chrystal Anastasia Lucretia Bradley
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
A124830 CA
Self-reported in NPPES; status is on the state search
Practice location
1000 Greenley RD, Sonora, CA 95370
Phone
(209) 536-3750
Enumerated
Apr 21, 2013
Record last updated
Mar 12, 2024
Medicare enrollment
Enrolled (PECOS I20241127003370); may accept Medicare assignment
Medical or professional school
University Of Southern California Keck School Of Medicine, 2011
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.
Download card Updates feed

Also registered at 1000 Greenley RD

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

  1. Penny Ablin, M.D.Emergency Medicine Physician1861486813
  2. Andrew Addley, CRNACertified Registered Nurse Anesthetist1356976724
  3. Masoud AhmadzaiPharmacist1417520727
  4. Mary Allard, PHARMDPharmacist1013854371
  5. Arturo Alvarez Antezana, MDInternal Medicine Physician1457847154
  6. Charles Black, D.O.Orthopaedic Surgery Physician1790988087

Verify Chrystal Anastasia Lucretia Bradley in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A124830
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

89% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

18 Medicare Part D claims, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.

  1. Chrystal Bradley18
  2. Specialty average165

Most prescribed

  1. Estradiol12 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): 79.2 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 score86.1
  2. Costout of 100 · 30%47.1
  3. Promoting interoperabilityout of 100 · 25%97.0
  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: $88.77

4 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Chrystal Bradley$88.77
  2. Specialty average$1,030.61

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

Bills Medicare through 2 group practices

  1. M A C T Health Board IncorporatedSan Andreas, CA
  2. Sonora Community HospitalSonora, CA

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

Chrystal Anastasia Lucretia Bradley among 5,088 obstetrics & gynecology physician records in California

Chrystal Anastasia Lucretia Bradley, M.D. is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 78% of them.

  • NPI issued2013 · 78% of these records are older, 20% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 53% of these records are
  • Graduated2011 · median 2004 among the 2,700 with a school on file
  • Record last updated2024 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in California

There are 5,088 obstetrics & gynecology physician records in California.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Lawrence Brunel, M.D. F.A.C.O.G.Sonora, CA 953701154351484
  2. Alexa Calfee, MD MPHSonora, CA 953701508108978
  3. Cicely Chen, M.D.Sonora, CA 953701043625916
  4. Christopher Jones, M.D.Sonora, CA 953701649594417
  5. Matthew Maynard, D.O.Sonora, CA 953701861617417
  6. Christopher Mills, MDSonora, CA 953701992897292
  7. Lawrence Podolsky, M.D.Riverbank, CA 953671356360184
  8. Susan Podolsky, M.DRiverbank, CA 953671013974815

Common questions

What is Chrystal Anastasia Lucretia Bradley, M.D.'s NPI number?

Chrystal Anastasia Lucretia Bradley, M.D.'s National Provider Identifier (NPI) is 1366886392, issued on Apr 21, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Chrystal Anastasia Lucretia Bradley, M.D. located?

The NPPES record lists a practice address at 1000 Greenley RD, Sonora, CA, 95370. Phone: (209) 536-3750. Providers update this record themselves, so call before visiting.

How can I verify Chrystal Anastasia Lucretia Bradley, M.D.'s license?

NPPES lists California license number A124830, 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 Chrystal Anastasia Lucretia Bradley, M.D. prescribe under Medicare Part D?

In 2024, Chrystal Anastasia Lucretia Bradley, M.D. had 18 Medicare Part D claims; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.

What is Chrystal Anastasia Lucretia Bradley, M.D.'s MIPS final score?

The 2023 MIPS final score is 79.2 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.