Tamara L. Callahan, M.D.
Obstetrics & Gynecology Physician · Louisville, KY
Tamara L. Callahan, M.D. is an obstetrics & gynecology physician with a practice address in Louisville, Kentucky, and NPI 1558308296, issued on Jun 1, 2006. Check the license (Kentucky 51077, as entered in NPPES) on the Kentucky Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- Tamara L. Callahan
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License numbers
- 51077 KY
212432 MA
MD41732 TN
Self-reported in NPPES; status is on the state search - Practice location
- 4123 Dutchmans LN Ste 507, Louisville, KY 40207
- Phone
- (502) 259-3250
- Enumerated
- Jun 1, 2006
- Record last updated
- Aug 26, 2024
- Fax
- (502) 259-3255
- Medicare enrollment
- Enrolled (PECOS I20181022003504); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 1995
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 528 in Kentucky → Look up another NPI →
Also registered at 4123 Dutchmans LN Ste 507
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Crista Hays, MDObstetrics & Gynecology Physician1720437981
- Mallorie Willis, APRN, CNMAdvanced Practice Midwife1720830102
Verify Tamara L. Callahan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKentucky Board of Medical Licensure
Search for license 51077Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024
298 Medicare Part D claims for 107 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.
Most prescribed
- Estradiol58 claims
- Clobetasol Propionate36 claims
- Fluconazole16 claims
- Premarin16 claims
- Veozah16 claims
- Valacyclovir15 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): 100 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: $342.53
3 payments; by number, the most common kind was 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.
Bills Medicare through one group practice
- Community Medical Associates IncLouisville, KY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tamara L. Callahan among 528 obstetrics & gynecology physician records in Kentucky
Tamara L. Callahan, M.D. is one of 528 obstetrics & gynecology physician records with a practice address in Kentucky. 80% 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 20% of them.
- NPI issued2006 · 20% of these records are older, 47% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1995 · median 2004 among the 355 with a school on file
- Record last updated2024 · 57% 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 Kentucky 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 Kentucky
There are 528 obstetrics & gynecology physician records in Kentucky.
All 528 in Kentucky → Every provider in Louisville → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Joseph Bilotta, MDLouisville, KY 402071528066388
- Herbert Boyd, MDLouisville, KY 402071558369587
- Monica Brown, M.D.Louisville, KY 402071063417970
- Susan Bunch, M.D.Louisville, KY 402071801891965
- Catherine Case, MDLouisville, KY 402071003808130
- Jennifer Evans, MDLouisville, KY 402071508864422
- Anna Feitelson, MDLouisville, KY 402071285633396
- James Graham, M.D.Louisville, KY 402071356346167
Common questions
What is Tamara L. Callahan, M.D.'s NPI number?
Tamara L. Callahan, M.D.'s National Provider Identifier (NPI) is 1558308296, issued on Jun 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Tamara L. Callahan, M.D. located?
The NPPES record lists a practice address at 4123 Dutchmans LN Ste 507, Louisville, KY, 40207. Phone: (502) 259-3250. Providers update this record themselves, so call before visiting.
How can I verify Tamara L. Callahan, M.D.'s license?
NPPES lists Kentucky license number 51077, as entered by the provider. Search the Kentucky Board of Medical Licensure at https://web1.ky.gov/GenSearch/LicenseSearch.aspx?AGY=5. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Tamara L. Callahan, M.D. prescribe under Medicare Part D?
In 2024, Tamara L. Callahan, M.D. had 298 Medicare Part D claims for 107 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
What is Tamara L. Callahan, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 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.