J Midwifery Womens Health
Christina Buchanan
- Medicare services, 2024
- 32
- Medicare patients, 2024
- 40
- Part D claims, 2024
- 111
- Publications
- 1
- Hospital affiliations
- 1
- Practice address
- 101 Laguna Rd, Fullerton, CA 92835
- Practice phone
- Call (714) 449-4900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Providence Medical Foundation
Fullerton, California
Find Christina Buchanan's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Christina Buchanan is an OB-GYN in Fullerton, California
Christina Buchanan practices at Providence Medical Foundation in Fullerton, California.
Christina Buchanan's NPI, 1750818357, was assigned on May 15, 2017. Christina Buchanan graduated from Georgetown University School Of Medicine in 2017. Christina Buchanan holds California license A171955.
- NPI
- 1750818357NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2668875519
- NPI enumeration date
- May 15, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (714) 449-4900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Christina Buchanan practices at Providence Medical Foundation in Fullerton, California
Christina Buchanan's primary practice is Providence Medical Foundation, at 101 Laguna Rd, Fullerton, CA 92835 in Orange County. The practice phone is (714) 449-4900.
- Providence Medical Foundation101 Laguna Rd, Fullerton, CA 92835 · Orange CountyPhone(714) 449-4900
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Christina Buchanan is affiliated with 3 sites of care and 1 medical group
Christina Buchanan's primary practice is Providence Medical Foundation in Fullerton, California. Christina Buchanan is also affiliated with Providence St. Jude Medical Center. The medical group on file is St. Jude Heritage Medical Group. Dmand AI also links Christina Buchanan to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Christina Buchanan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Christina Buchanan practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Providence Medical Foundation | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Christina Buchanan is one of 4,642 OB-GYNs in California
Obstetrics and gynecology is Christina Buchanan's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Christina Buchanan is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology. Christina Buchanan is licensed in California.
Specialties and state licenses
- Obstetrics and gynecology, CaliforniaPrimary
Clinical focus
Dmand AI lists menopause and ovarian cyst among the conditions Christina Buchanan treats.
OB-GYNs near Christina Buchanan
Counts of OB-GYNs with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Christina Buchanan billed Medicare for 32 services in 2024
CMS data shows 32 Medicare services from Christina Buchanan across 2 procedure codes in 2024, for 40 Medicare patients. Medicare paid $1,923 for them. Every service was in an office.
Christina Buchanan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 02024: 17
- Other services
- 2023: 142024: 157%
Christina Buchanan compared with the California median for OB-GYNs, 2024
- Christina Buchanan
- California median
- Medicare services
- 32vs 5845% below
- Medicare patients
- 40vs 5223% below
- Part D claims
- 64vs 3583% above
Medians across 3,823 OB-GYNs in California with Dmand AI profiles that report each measure.
Christina Buchanan's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Christina Buchanan?
Medicare shows one payer. Book a meeting to get commercial claims data for Christina Buchanan and other OB-GYNs in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Christina Buchanan treated 40 Medicare patients in 2024, average age 73
CMS counts 40 Medicare patients who saw Christina Buchanan in 2024. The largest group is 65 to 74, with 24 patients. 73% of them have high cholesterol, and 55% have arthritis. Their average risk score is 1.02, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Christina Buchanan's median patient age at 36, with 99% women.
Christina Buchanan's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Christina Buchanan's Medicare patients, 2024
- High cholesterol73%
- Arthritis55%
- High blood pressure48%
- Osteoporosis45%
Share of Medicare patients with each condition. A patient can have several.
Christina Buchanan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 36
Patient panel by sex, all payers
- Women99%
- Men0%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Christina Buchanan wrote 111 Medicare Part D claims in 2024
In 2024, Christina Buchanan wrote 111 Medicare Part D claims for 34 patients. 87% of them were for generic drugs. CMS names the drug for 64 of them, across 3 drugs with 11 or more claims each, at $3,050 in total drug cost. In 2023, CMS named 12 claims across 1 drug.
Christina Buchanan's Part D claims by kind of drug, 2024
- Generic97 claims87%
- Brand-name14 claims13%
Christina Buchanan's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 122024: 64433%
Drugs named by CMS: 3 in 2024, 1 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Christina Buchanan takes part in Medicare
Christina Buchanan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Removal of the uterus: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Christina Buchanan has 1 publication on record
Dmand AI links 1 paper to Christina Buchanan in 2022. Christina Buchanan's most frequent co-authors are Sheree Kuo, MD and Men-Jean Lee, MD.
Christina Buchanan's most frequent co-authors
Recent publications by Christina Buchanan
See who Christina Buchanan researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Christina Buchanan works with, so you can find a warm path to the right OB-GYNs.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Christina Buchanan received $102 in industry payments from 2023 to 2025
CMS Open Payments shows 5 general payments to Christina Buchanan from 2 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. Hologic Inc paid the most, $60.
General payments to Christina Buchanan by program year, 2023 to 2025
Companies that paid Christina Buchanan the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Christina Buchanan graduated from Georgetown University School Of Medicine
Christina Buchanan graduated from Georgetown University School Of Medicine in 2017.
- Medical school
- Board certified in obstetrics & gynecology
Source: Dmand AI Professional Profile Data
Christina Buchanan accepts plans from 12 insurance carriers
Christina Buchanan is in network with 12 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- Alliant Health Plans
- +4 more carriersWith a free account
Plan types Christina Buchanan accepts, by number of carriers
- Medicare8
- PPO8
- HMO6
- EPO4
- POS4
Source: Dmand AI Insurance Network Data
Sources for Christina Buchanan's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Christina Buchanan
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Christina Buchanan's NPI number?
Christina Buchanan's NPI number is 1750818357. It was assigned on May 15, 2017, and it is active in the NPI Registry.
What does Christina Buchanan specialize in?
Christina Buchanan is an OB-GYN in Fullerton, California. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Christina Buchanan practice?
Christina Buchanan practices at 101 Laguna Rd, Fullerton, CA 92835. Christina Buchanan's primary practice is Providence Medical Foundation in Fullerton, California. Dmand AI also links Christina Buchanan to 1 group practice or clinic.
What is Christina Buchanan's office phone number?
The practice phone on file for Christina Buchanan is (714) 449-4900.
What is Christina Buchanan's medical license number?
Christina Buchanan holds California license A171955.
Which hospitals is Christina Buchanan affiliated with?
Christina Buchanan is affiliated with Providence St. Jude Medical Center.
What medical group is Christina Buchanan part of?
Christina Buchanan is linked to St. Jude Heritage Medical Group.
Does Christina Buchanan accept Medicare?
Yes. CMS data shows Christina Buchanan billed Medicare for 32 services in 2024, and Christina Buchanan accepts Medicare assignment.
How many Medicare patients does Christina Buchanan see?
CMS counts 40 Medicare patients who saw Christina Buchanan in 2024, with an average age of 73.
Is Christina Buchanan board certified?
Yes. Christina Buchanan is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology.
Show 8 more questionsShow fewer questions
What services does Christina Buchanan bill to Medicare?
In 2024, Christina Buchanan's most billed Medicare services were office visit, established patient (99213) and medicare service (G0101).
Where did Christina Buchanan go to medical school?
Christina Buchanan graduated from Georgetown University School Of Medicine in 2017.
What drugs does Christina Buchanan prescribe most?
In 2024 Medicare Part D data, Christina Buchanan's most prescribed drugs by claims were Estradiol, Progesterone and Estradiol (Twice Weekly).
Has Christina Buchanan received payments from drug or device companies?
CMS Open Payments shows $102 in general payments to Christina Buchanan from 2 companies from 2023 to 2025. The largest total came from Hologic Inc.
How long has Christina Buchanan been practicing?
Christina Buchanan graduated from medical school in 2017, 9 years ago.
Does Christina Buchanan do research?
Dmand AI links 1 publication to Christina Buchanan.
Who does Christina Buchanan publish with?
Christina Buchanan's most frequent co-authors are Sheree Kuo, MD (1 shared paper) and Men-Jean Lee, MD (1 shared paper).
What insurance does Christina Buchanan accept?
Christina Buchanan is in network with 12 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
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