NPPES file of Aug 9, 2026

Rob K. Perkins, MD

Internal Medicine Physician · Kalispell, MT

Rob K. Perkins, MD is an internal medicine physician with a practice address in Kalispell, Montana, and NPI 1326087867, issued on Jun 6, 2006. Check the license (Montana 21146, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1326087867
Name
Rob K. Perkins
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
21146 MT
MD417290 PA
45536241205 UT
Self-reported in NPPES; status is on the state search
Practice location
310 Sunnyview LN, Kalispell, MT 59901
Phone
(406) 751-5310
Enumerated
Jun 6, 2006
Record last updated
Dec 17, 2024
Medicaid ID
942854057043 UT
Medicare enrollment
Enrolled (PECOS I20130815000950); accepts Medicare assignment
Medical or professional school
Medical College Of Pennsylvania, 1998
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 310 Sunnyview LN

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Kirby Ahlstrom, PTAPhysical Therapy Assistant1790368447
  2. George Allen, DOAnesthesiology Physician1386987113
  3. Jonathan Amick, D.O.Anesthesiology Physician1770786154
  4. Jonathan Anderson, MDAnesthesiology Physician1174634745
  5. Kendall Babb, ACNP-BCAcute Care Nurse Practitioner1417204710
  6. Geoffrey Baker, DOFamily Medicine Physician1285084764

Verify Rob K. Perkins in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMontana Board of Medical Examiners
    Search for license 21146
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Montana license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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94% fewer Medicare Part D claims than the average internal medicine physician in 2024

204 Medicare Part D claims for 75 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 15 claims were for opioids.

  1. Rob Perkins204
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium13 claims
  2. Prednisone13 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: $32.55

1 payment: food and beverage; the largest payer was Boehringer Ingelheim Pharmaceuticals, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Rob Perkins$32.55
  2. Specialty average$1,303.06

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

  1. Kalispell Regional Medical Center IncKalispell, MT

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Rob K. Perkins among 324 internal medicine physician records in Montana

Rob K. Perkins, MD is one of 324 internal medicine physician records with a practice address in Montana. 72% 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 7% of them.

  • NPI issued2006 · 7% of these records are older, 44% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated1998 · median 2006 among the 191 with a school on file
  • Record last updated2024 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

30 internal medicine physician records list a practice address in Kalispell

They are 30 of the 1,650 NPPES records with a practice address in Kalispell, and 324 internal medicine physician records in Montana.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Ann Bukacek, M.D.Kalispell, MT 599011295707776
  2. Laura Csaplar, MDKalispell, MT 599011497760185
  3. Kimberly DamrowKalispell, MT 599011548267347
  4. Stephen Evans, M.D.Kalispell, MT 599011215970793
  5. Christopher Gill, MDKalispell, MT 599011417998568
  6. David Habel, M.D.Kalispell, MT 599011992747927
  7. Jamie Hettick, MDKalispell, MT 599011285744599
  8. Marise Johnson, M.D.Kalispell, MT 599011013958537

Common questions

What is Rob K. Perkins, MD's NPI number?

Rob K. Perkins, MD's National Provider Identifier (NPI) is 1326087867, issued on Jun 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Rob K. Perkins, MD located?

The NPPES record lists a practice address at 310 Sunnyview LN, Kalispell, MT, 59901. Phone: (406) 751-5310. Providers update this record themselves, so call before visiting.

How can I verify Rob K. Perkins, MD's license?

NPPES lists Montana license number 21146, 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 Rob K. Perkins, MD prescribe under Medicare Part D?

In 2024, Rob K. Perkins, MD had 204 Medicare Part D claims for 75 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.