Cynthia Arlene Cork, M.D.
Obstetrics & Gynecology Physician · Fountain Valley, CA
Cynthia Arlene Cork, M.D. is an obstetrics & gynecology physician with a practice address in Fountain Valley, California, and NPI 1134229602, issued on Sep 25, 2006. Check the license (California G053015, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Cynthia Arlene Cork
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- G053015 CA
Self-reported in NPPES; status is on the state search - Practice location
- 11180 Warner Avenue, Fountain Valley, CA 92708
- Phone
- (714) 556-0536
- Enumerated
- Sep 25, 2006
- Record last updated
- Mar 14, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (714) 435-9640
- Medicare enrollment
- Enrolled (PECOS I20031121000758); accepts Medicare assignment
- Medical or professional school
- University Of California, Geffen School Of Medicine, 1983
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Verify Cynthia Arlene Cork in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G053015Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.9 times the Medicare Part D claims of the average obstetrics & gynecology physician in 2024
641 Medicare Part D claims for 167 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Estradiol131 claims
- Alendronate Sodium87 claims
- Clobetasol Propionate40 claims
- Valacyclovir34 claims
- Yuvafem28 claims
- Levothyroxine Sodium21 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: $26.15
1 payment: 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Cynthia Arlene Cork among 5,088 obstetrics & gynecology physician records in California
Cynthia Arlene Cork, 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 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
- Graduated1983 · median 2004 among the 2,700 with a school on file
- Record last updated2013 · 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).
23 obstetrics & gynecology physician records list a practice address in Fountain Valley
They are 23 of the 2,190 NPPES records with a practice address in Fountain Valley, and 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in Fountain Valley → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Gerardo Bustillo, M.D.Fountain Valley, CA 927081972631786
- Ellen Fraser, M.D.Fountain Valley, CA 927081275598443
- Jamie Kim, M.D.Fountain Valley, CA 927081225187388
- Carol Levi, M.D.Fountain Valley, CA 927081497706907
- Minal Mehta, M.D.Fountain Valley, CA 927081780787580
- Sunita Moola, MDFountain Valley, CA 927081770770695
- Krystal Pham, MDFountain Valley, CA 927081710001763
- G. Thomas Ruiz, MDFountain Valley, CA 927081518967330
Common questions
What is Cynthia Arlene Cork, M.D.'s NPI number?
Cynthia Arlene Cork, M.D.'s National Provider Identifier (NPI) is 1134229602, issued on Sep 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Cynthia Arlene Cork, M.D. located?
The NPPES record lists a practice address at 11180 Warner Avenue, Fountain Valley, CA, 92708. Phone: (714) 556-0536. Providers update this record themselves, so call before visiting.
How can I verify Cynthia Arlene Cork, M.D.'s license?
NPPES lists California license number G053015, 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 Cynthia Arlene Cork, M.D. prescribe under Medicare Part D?
In 2024, Cynthia Arlene Cork, M.D. had 641 Medicare Part D claims for 167 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.