Christin Ann Field, MD
Obstetrics & Gynecology Physician · Westlake Village, CA
Christin Ann Field, MD is an obstetrics & gynecology physician with a practice address in Westlake Village, California, and NPI 1245201912, issued on Jan 30, 2006. Check the license (California A77097, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Christin Ann Field
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- A77097 CA
Self-reported in NPPES; status is on the state search - Practice location
- 32144 Agoura RD Ste 100, Westlake Village, CA 91361
- Phone
- (805) 557-7180
- Enumerated
- Jan 30, 2006
- Record last updated
- Oct 7, 2024
- Medicare enrollment
- Enrolled (PECOS I20040723000693); accepts Medicare assignment
- Medical or professional school
- Saint Louis University School Of Medicine, 2000
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 32144 Agoura RD Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jodi Ferro, M.D.Obstetrics & Gynecology Physician1285810762
- Adina Gregor, FNPFamily Nurse Practitioner1851806301
- Rita Kachakian, RN, BSN, FNPFamily Nurse Practitioner1336608496
- Alexandra Lenox, DO, MPHObstetrics & Gynecology Physician1245850064
- Ranoo Sabnis, MDObstetrics & Gynecology Physician1790941110
- Abby Uhrinak, M.D.Obstetrics & Gynecology Physician1528431673
Verify Christin Ann Field in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A77097Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
38% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
102 Medicare Part D claims for 41 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Estradiol39 claims
- Progesterone12 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): 90.8 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
- Regents OF The University OF California Los AngelesSanta Monica, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christin Ann Field among 5,088 obstetrics & gynecology physician records in California
Christin Ann Field, MD 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 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 52% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2000 · 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.
All 5,088 in California → Every provider in Westlake Village → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Mirela CernaianuThousand Oaks, CA 913611467465120
- Jodi Ferro, M.D.Westlake Village, CA 913611285810762
- Louise Garcia, M.D.Thousand Oaks, CA 913611134232457
- David Ghausi, D.O.Thousand Oaks, CA 913611023078342
- Orlin Liberman, MDWestlake Village, CA 913611790890457
- Stephanie Mandelman, M DWestlake Village, CA 913611851315196
- Karie McMurray, M.D.Thousand Oaks, CA 913611861660144
- Leena Nathan, M.D.Westlake Village, CA 913611417170523
Common questions
What is Christin Ann Field, MD's NPI number?
Christin Ann Field, MD's National Provider Identifier (NPI) is 1245201912, issued on Jan 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Christin Ann Field, MD located?
The NPPES record lists a practice address at 32144 Agoura RD Ste 100, Westlake Village, CA, 91361. Phone: (805) 557-7180. Providers update this record themselves, so call before visiting.
How can I verify Christin Ann Field, MD's license?
NPPES lists California license number A77097, 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 Christin Ann Field, MD prescribe under Medicare Part D?
In 2024, Christin Ann Field, MD had 102 Medicare Part D claims for 41 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
What is Christin Ann Field, MD's MIPS final score?
The 2023 MIPS final score is 90.8 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.