Christina Buchanan
Obstetrics & Gynecology Physician · Fullerton, CA
Christina Buchanan is an obstetrics & gynecology physician with a practice address in Fullerton, California, and NPI 1750818357, issued on May 15, 2017. Check the license (California A171955, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Christina Buchanan
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- A171955 CA
Self-reported in NPPES; status is on the state search - Practice location
- 101 Laguna RD Ste 100, Fullerton, CA 92835
- Phone
- (714) 992-5350
- Enumerated
- May 15, 2017
- Record last updated
- Jul 23, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210729001425); accepts Medicare assignment
- Medical or professional school
- Georgetown University School Of Medicine, 2017
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 101 Laguna RD Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carla Betters, NPWomen's Health Nurse Practitioner1700258472
- Laura Biardi, CNMAdvanced Practice Midwife1639286792
- Dennis Buchanan, MDObstetrics & Gynecology Physician1003864737
- Brian Gray, MDObstetrics & Gynecology Physician1457316705
- Cynthia Limon, PAPhysician Assistant1558009332
- Melody Opene, NPWomen's Health Nurse Practitioner1871961938
Verify Christina Buchanan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A171955Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
111 Medicare Part D claims for 34 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Estradiol36 claims
- Progesterone15 claims
- Estradiol (Twice Weekly)13 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: $13.32
1 payment: food and beverage; the largest payer was Hologic Sales and Service, LLC. 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.
Bills Medicare through one group practice
- Providence Medical FoundationFullerton, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christina Buchanan among 5,088 obstetrics & gynecology physician records in California
Christina Buchanan 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 2017, is newer than 87% of them.
- NPI issued2017 · 87% of these records are older, 10% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2017 · median 2004 among the 2,700 with a school on file
- Record last updated2021 · 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 Fullerton → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Christina Borsari, MDFullerton, CA 928351356308704
- Dennis Buchanan, MDFullerton, CA 928351003864737
- Minette Finney, MDFullerton, CA 928351750960571
- Theresa Franks, MDFullerton, CA 928351396700704
- Earl Fuller, M.D.Fullerton, CA 928351053684951
- Brian Gray, MDFullerton, CA 928351457316705
- Donald Henderson, MDFullerton, CA 928351447217898
- Pouran Malekzadeh, MDFullerton, CA 928351033643424
Common questions
What is Christina Buchanan's NPI number?
Christina Buchanan's National Provider Identifier (NPI) is 1750818357, issued on May 15, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Christina Buchanan located?
The NPPES record lists a practice address at 101 Laguna RD Ste 100, Fullerton, CA, 92835. Phone: (714) 992-5350. Providers update this record themselves, so call before visiting.
How can I verify Christina Buchanan's license?
NPPES lists California license number A171955, 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 Christina Buchanan prescribe under Medicare Part D?
In 2024, Christina Buchanan had 111 Medicare Part D claims for 34 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.