James L. Baker, M.D.
Rheumatology Physician · Johnson City, TN
James L. Baker, M.D. is a rheumatology physician with a practice address in Johnson City, Tennessee, and NPI 1477530301, issued on Dec 30, 2005. Check the license (Tennessee 44420, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- James L. Baker
- Credential
- M.D.
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- 44420 TN
Self-reported in NPPES; status is on the state search - Practice location
- 303 Med Tech Pkwy, Johnson City, TN 37604
- Phone
- (423) 794-3040
- Enumerated
- Dec 30, 2005
- Record last updated
- Mar 5, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (423) 794-3041
- Medicaid ID
- 1513140 TN
- Medicare enrollment
- Enrolled (PECOS I20090513000649); accepts Medicare assignment
- Medical or professional school
- University Of South Carolina School Of Medicine, 1997
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 139 in Tennessee → Look up another NPI →
Also registered at 303 Med Tech Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lee Colyar, M.D.Family Medicine Physician1386626166
- Gerald Falasca, MDRheumatology Physician1891888434
- Barnabas Hines, D.O.Family Medicine Physician1114267119
- Elizabeth Humston, DOFamily Medicine Physician1154581445
- Christina Hutchins, M.D.Family Medicine Physician1245235423
- Stephanie Manginelli, M.D.Family Medicine Physician1225010010
Verify James L. Baker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 44420Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12% more Medicare Part D claims than the average rheumatology physician in 2024
2,222 Medicare Part D claims for 288 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D.
Most prescribed
- Hydroxychloroquine Sulfate600 claims
- Methotrexate486 claims
- Prednisone278 claims
- Folic Acid132 claims
- Humira(Cf) Pen80 claims
- Leflunomide75 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: $2,358.74
121 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 4,486 providers of this specialty with any payment received $8,538.33 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 2 group practices
- Medical Education Assistance CorporationJohnson City, TN
- State OF Franklin Healthcare Associates, PLLCJohnson City, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James L. Baker among 139 rheumatology physician records in Tennessee
James L. Baker, M.D. is one of 139 rheumatology physician records with a practice address in Tennessee. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 88% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1997 · median 2003 among the 96 with a school on file
- Record last updated2021 · 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 207RR0500X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in Tennessee
There are 139 rheumatology physician records in Tennessee.
All 139 in Tennessee → Every provider in Johnson City → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Rania Al Asmar, MDJohnson City, TN 376041083107932
- Albertine Dewit, MDJohnson City, TN 376041528018520
- Gerald Falasca, MDJohnson City, TN 376041891888434
- Shrey Gole, MDJohnson City, TN 376041457975682
- David Lurie, M. D.Johnson City, TN 376041083675706
- William Wason, MDJohnson City, TN 376041063400471
- Michael Bible, M.D.Bristol, TN 376201730172727
- Trusha Patel, DOBristol, TN 376201184940462
Common questions
What is James L. Baker, M.D.'s NPI number?
James L. Baker, M.D.'s National Provider Identifier (NPI) is 1477530301, issued on Dec 30, 2005. An NPI identifies a provider in billing; it is not a license.
Where is James L. Baker, M.D. located?
The NPPES record lists a practice address at 303 Med Tech Pkwy, Johnson City, TN, 37604. Phone: (423) 794-3040. Providers update this record themselves, so call before visiting.
How can I verify James L. Baker, M.D.'s license?
NPPES lists Tennessee license number 44420, 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 L. Baker, M.D. prescribe under Medicare Part D?
In 2024, James L. Baker, M.D. had 2,222 Medicare Part D claims for 288 beneficiaries; the average among rheumatology physician prescribers was 1,978. 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.