James P. Shaffer, MD
Critical Care Medicine (Internal Medicine) Physician · Cookeville, TN
James P. Shaffer, MD is a critical care medicine (internal medicine) physician with a practice address in Cookeville, Tennessee, and NPI 1801859368, issued on Apr 7, 2006. Check the license (Tennessee 67366, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- James P. Shaffer
- Credential
- MD
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License numbers
- 67366 TN
ME79932 FL
Self-reported in NPPES; status is on the state search - Practice location
- 145 W 4TH St Ste 201, Cookeville, TN 38501
- Phone
- (931) 783-2143
- Enumerated
- Apr 7, 2006
- Record last updated
- Apr 4, 2023
- Fax
- (931) 783-2152
- Medicaid IDs
- 259073500 FL
Q080849 TN - Medicare enrollment
- Enrolled (PECOS I20230313001587); accepts Medicare assignment
- Medical or professional school
- Ohio State University College Of Medicine, 1992
- Entity
- Type 1 · individual
8 nearest critical care medicine (internal medicine) physician records → All 88 in Tennessee → Look up another NPI →
Also registered at 145 W 4TH St Ste 201
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gail Cook, APRNAdult Health Nurse Practitioner1346524279
- Pamela Dobbs, PA-CPhysician Assistant1053416156
- Mary Lou Fornehed, ACNP, BCAcute Care Nurse Practitioner1083647275
- Randy Gaw, MDNeurology Physician1669406500
- Bernadette Hee, M.D.Pulmonary Disease Physician1902839806
- David Henson, M.D.Sleep Medicine (Internal Medicine) Physician1801899224
Verify James P. Shaffer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 67366Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2% fewer Medicare Part D claims than the average critical care medicine (internal medicine) physician in 2024
682 Medicare Part D claims for 141 beneficiaries, against an average of 696 among the 2,873 providers of this specialty who prescribed in Part D. Brand-name drugs were 35% of claims.
Most prescribed
- Albuterol Sulfate Hfa118 claims
- Prednisone101 claims
- Trelegy Ellipta75 claims
- Doxycycline Hyclate63 claims
- Azithromycin28 claims
- Azelastine Hcl25 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: $187.42
2 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 2,708 providers of this specialty with any payment received $2,958.68 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
- Cookeville Regional Medical Group IncCookeville, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James P. Shaffer among 88 critical care medicine (internal medicine) physician records in Tennessee
James P. Shaffer, MD is one of 88 critical care medicine (internal medicine) physician records with a practice address in Tennessee. 89% 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 17% of them.
- NPI issued2006 · 17% of these records are older, 57% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated1992 · median 2008 among the 68 with a school on file
- Record last updated2023 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Critical Care Medicine (Internal Medicine) Physician providers in Tennessee
There are 88 critical care medicine (internal medicine) physician records in Tennessee.
All 88 in Tennessee → Every provider in Cookeville → Critical Care Medicine (Internal Medicine) Physician nationwide →
The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes
- Oluwaseyi Adejorin, M.DCookeville, TN 385011770895252
- Tanya Marshall, MDCookeville, TN 385011588225205
- Subha Saeed, M.DCookeville, TN 385011770103855
- Stylianos Kakoullis, MDSparta, TN 385831770586679
- Erik Iversen, M.D.Columbia, TN 384011851452312
- Karthik Jothianandan, M.D.Columbia, TN 384011184867939
- Joe Philip, M.D.Columbia, TN 384011831345669
- Thomas Quinn, M.D.Columbia, TN 384011386710051
Common questions
What is James P. Shaffer, MD's NPI number?
James P. Shaffer, MD's National Provider Identifier (NPI) is 1801859368, issued on Apr 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James P. Shaffer, MD located?
The NPPES record lists a practice address at 145 W 4TH St Ste 201, Cookeville, TN, 38501. Phone: (931) 783-2143. Providers update this record themselves, so call before visiting.
How can I verify James P. Shaffer, MD's license?
NPPES lists Tennessee license number 67366, 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 P. Shaffer, MD prescribe under Medicare Part D?
In 2024, James P. Shaffer, MD had 682 Medicare Part D claims for 141 beneficiaries; the average among critical care medicine (internal medicine) physician prescribers was 696. 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.