James O. Shirk, M.D.
Obstetrics & Gynecology Physician · Knoxville, TN
James O. Shirk, M.D. is an obstetrics & gynecology physician with a practice address in Knoxville, Tennessee, and NPI 1154390649, issued on Mar 16, 2006. Check the license (Tennessee 25443, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- James O. Shirk
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 25443 TN
Self-reported in NPPES; status is on the state search - Practice location
- 1930 Alcoa Hwy Ste 240, Knoxville, TN 37920
- Phone
- (865) 546-1642
- Enumerated
- Mar 16, 2006
- Record last updated
- Feb 27, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (865) 305-6195
- Medicaid ID
- Q007732 TN
- Medicare enrollment
- Enrolled (PECOS I20070807000424); accepts Medicare assignment
- Medical or professional school
- East Tennessee State University Quillen College Of Medicine, 1990
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 815 in Tennessee → Look up another NPI →
Also registered at 1930 Alcoa Hwy Ste 240
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael Bullen, MDObstetrics & Gynecology Physician1578646436
- Anna HarbObstetrics & Gynecology Physician1306473665
- Jamie Perry, MDObstetrics & Gynecology Physician1124463708
- Emily SchulerWomen's Health Nurse Practitioner1629878640
- Christina Stockwell, D.O.Obstetrics & Gynecology Physician1730216524
Verify James O. Shirk in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 25443Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024
320 Medicare Part D claims for 83 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Estradiol137 claims
- Progesterone76 claims
- Fluconazole11 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 MIPS final score for 2023 (Medicare payment program): 95.7 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $40.51
2 payments; by number, the most common kind was food and beverage; the largest payer was CooperSurgical, 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
- University Health System, Inc.Knoxville, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James O. Shirk among 815 obstetrics & gynecology physician records in Tennessee
James O. Shirk, M.D. is one of 815 obstetrics & gynecology physician records with a practice address in Tennessee. 77% 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 18% of them.
- NPI issued2006 · 18% of these records are older, 47% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1990 · median 2005 among the 522 with a school on file
- Record last updated2019 · 45% 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 Tennessee 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 Tennessee
There are 815 obstetrics & gynecology physician records in Tennessee.
All 815 in Tennessee → Every provider in Knoxville → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Jennifer Anderson, M.D.Knoxville, TN 379201134308646
- Audrey Barry, M.D.Knoxville, TN 379201366678971
- Natalie Blache, MDKnoxville, TN 379201922254192
- Michael Bullen, MDKnoxville, TN 379201578646436
- Pleas Copas, M.D.Knoxville, TN 379201578531612
- Stephanie Cross, M.D.Knoxville, TN 379201184693939
- Danielle Egner, M.D.Knoxville, TN 379201982878658
- K. Paige Johnson, M.D.Knoxville, TN 379201700855566
Common questions
What is James O. Shirk, M.D.'s NPI number?
James O. Shirk, M.D.'s National Provider Identifier (NPI) is 1154390649, issued on Mar 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James O. Shirk, M.D. located?
The NPPES record lists a practice address at 1930 Alcoa Hwy Ste 240, Knoxville, TN, 37920. Phone: (865) 546-1642. Providers update this record themselves, so call before visiting.
How can I verify James O. Shirk, M.D.'s license?
NPPES lists Tennessee license number 25443, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does James O. Shirk, M.D. prescribe under Medicare Part D?
In 2024, James O. Shirk, M.D. had 320 Medicare Part D claims for 83 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
What is James O. Shirk, M.D.'s MIPS final score?
The 2023 MIPS final score is 95.7 of 100. 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.