Kari Heusinkveld Fay, M.D.
Obstetrics & Gynecology Physician · San Marcos, TX
Kari Heusinkveld Fay, M.D. is an obstetrics & gynecology physician with a practice address in San Marcos, Texas, and NPI 1023236304, issued on Apr 23, 2007. Check the license (Texas N8507, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Kari Heusinkveld Fay
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- N8507 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1305 Wonder World Dr Ste 209, San Marcos, TX 78666
- Phone
- (512) 396-7575
- Enumerated
- Apr 23, 2007
- Record last updated
- Oct 7, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (512) 396-7555
- Medicare enrollment
- Enrolled (PECOS I20110902000190); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At Houston, 2007
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 3,524 in Texas → Look up another NPI →
Also registered at 1305 Wonder World Dr Ste 209
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Barrett Blaue, M.D.Obstetrics & Gynecology Physician1134365869
- Michael Davies, D.O.Obstetrics & Gynecology Physician1477085579
- Robert Duran, M.D.Surgery Physician1053317297
- Julie Kubena, APRN, WHNPWomen's Health Nurse Practitioner1811774342
Verify Kari Heusinkveld Fay in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license N8507Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024
303 Medicare Part D claims for 93 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Estradiol85 claims
- Clobetasol Propionate31 claims
- Valacyclovir21 claims
- Progesterone18 claims
- Clotrimazole-Betamethasone13 claims
- Estradiol (Once 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 81.6 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).
Industry payments in 2024: $273.80
15 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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.
Bills Medicare through one group practice
- Unified Womens Healthcare OF Texas PLLCNew Braunfels, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kari Heusinkveld Fay among 3,524 obstetrics & gynecology physician records in Texas
Kari Heusinkveld Fay, M.D. is one of 3,524 obstetrics & gynecology physician records with a practice address in Texas. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 47% of them.
- NPI issued2007 · 47% of these records are older, 44% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2007 · median 2005 among the 2,093 with a school on file
- Record last updated2011 · 54% 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 Texas 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 Texas
There are 3,524 obstetrics & gynecology physician records in Texas.
All 3,524 in Texas → Every provider in San Marcos → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Aminatu Akande, MDSan Marcos, TX 786661104265032
- Barrett Blaue, M.D.San Marcos, TX 786661134365869
- Michael Davies, D.O.San Marcos, TX 786661477085579
- Lauren Hermann, DOSan Marcos, TX 786661568783900
- Arthur Jacobson, MDSan Marcos, TX 786661639177439
- Koteswara Kunda, M.D.San Marcos, TX 786661982603593
- Alan Parks, MDSan Marcos, TX 786661801991021
- Beth Reid, MDSan Marcos, TX 786661619975430
Common questions
What is Kari Heusinkveld Fay, M.D.'s NPI number?
Kari Heusinkveld Fay, M.D.'s National Provider Identifier (NPI) is 1023236304, issued on Apr 23, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Kari Heusinkveld Fay, M.D. located?
The NPPES record lists a practice address at 1305 Wonder World Dr Ste 209, San Marcos, TX, 78666. Phone: (512) 396-7575. Providers update this record themselves, so call before visiting.
How can I verify Kari Heusinkveld Fay, M.D.'s license?
NPPES lists Texas license number N8507, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Kari Heusinkveld Fay, M.D. prescribe under Medicare Part D?
In 2024, Kari Heusinkveld Fay, M.D. had 303 Medicare Part D claims for 93 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
What is Kari Heusinkveld Fay, M.D.'s MIPS final score?
The 2023 MIPS final score is 81.6 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.