John K. Jenkins, M.D.
Rheumatology Physician · Billings, MT
John K. Jenkins, M.D. is a rheumatology physician with a practice address in Billings, Montana, and NPI 1245267061, issued on Jun 27, 2006. Check the license (Montana 12652, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- John K. Jenkins
- Credential
- M.D.
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License numbers
- 12652 MT
14472 MS
Self-reported in NPPES; status is on the state search - Practice location
- 708 Broadwater Ave, Billings, MT 59101
- Phone
- (406) 839-2900
- Enumerated
- Jun 27, 2006
- Record last updated
- Sep 27, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (406) 839-2910
- Medicaid ID
- 0115188 MS
- Medicare enrollment
- Enrolled (PECOS I20110531000305); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 20 in Montana → Look up another NPI →
Also registered at 708 Broadwater Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sierra ArnoldBehavior Technician1003437393
- Susan Asbell, FNPFamily Nurse Practitioner1053425462
- Rhese BeeversBehavior Technician1528642824
- Ashlyn BellowsBehavior Technician1932783230
- Alex BredySpeech-Language Pathologist1407423635
- Cathy BreedingBehavior Technician1770182545
Verify John K. Jenkins in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical Examiners
Search for license 12652Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
About as many Medicare Part D claims as the average rheumatology physician in 2024
1,983 Medicare Part D claims for 343 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. 32 claims were for opioids.
Most prescribed
- Prednisone260 claims
- Hydroxychloroquine Sulfate231 claims
- Methotrexate228 claims
- Celecoxib152 claims
- Leflunomide86 claims
- Allopurinol84 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.
Bills Medicare through one group practice
- Scl Health MontanaBillings, MT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John K. Jenkins among 20 rheumatology physician records in Montana
John K. Jenkins, M.D. is one of 20 rheumatology physician records with a practice address in Montana. 70% 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 15% of them.
- NPI issued2006 · 15% of these records are older, 45% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1986 · median 2002 among the 13 with a school on file
- Record last updated2017 · 55% 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 Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in Montana
There are 20 rheumatology physician records in Montana.
All 20 in Montana → Every provider in Billings → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Enrico Arguelles, MDBillings, MT 591011932206505
- Bruno Oliveira, MDBillings, MT 591011376762823
- Lawrence Zyskowski, MDBillings, MT 591011841289410
- Phillip Griffin, M.D.Billings, MT 591021013166164
- Steven Akre, MDGreat Falls, MT 594051114928090
- James Bennett, M.D.Helena, MT 596011588920896
- Robert McNutt, MDHelena, MT 596011811989148
- Steven Ecklund, M.D.Anaconda, MT 597111942260773
Common questions
What is John K. Jenkins, M.D.'s NPI number?
John K. Jenkins, M.D.'s National Provider Identifier (NPI) is 1245267061, issued on Jun 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John K. Jenkins, M.D. located?
The NPPES record lists a practice address at 708 Broadwater Ave, Billings, MT, 59101. Phone: (406) 839-2900. Providers update this record themselves, so call before visiting.
How can I verify John K. Jenkins, M.D.'s license?
NPPES lists Montana license number 12652, as entered by the provider. Search the Montana Board of Medical Examiners at https://ebiz.mt.gov/POL/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John K. Jenkins, M.D. prescribe under Medicare Part D?
In 2024, John K. Jenkins, M.D. had 1,983 Medicare Part D claims for 343 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.