Robert J. Griffin, PAC
Physician Assistant · Kalispell, MT
Robert J. Griffin, PAC is a physician assistant with a practice address in Kalispell, Montana, and NPI 1588632236, issued on Mar 9, 2006. Check the license (Montana 520, as entered in NPPES) with the Montana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Robert J. Griffin
- Credential
- PAC
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- 520 MT
245 WY
Self-reported in NPPES; status is on the state search - Practice location
- 200 Commons Way Ste B, Kalispell, MT 59901
- Phone
- (406) 752-5170
- Enumerated
- Mar 9, 2006
- Record last updated
- Nov 27, 2023
- Fax
- (406) 752-5210
- Medicare enrollment
- Enrolled (PECOS I20130717000302); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 200 Commons Way Ste B
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tia BakkerPhysician Assistant1003549478
- Stephen Campbell, M.D.Neurological Surgery Physician1174535132
- Jessica Christensen, MCMSC, PA-C, ATCPhysician Assistant1235491390
- Norman Friedman, MDNeurology Physician1093751398
- Maura Hamilton, CPNPPediatric Nurse Practitioner1396932893
- Ellen Kirschbaum, ARNPFamily Nurse Practitioner1760827315
Verify Robert J. Griffin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Montana board licenses this profession
Search for license 520Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
25% fewer Medicare Part D claims than the average physician assistant in 2024
620 Medicare Part D claims for 141 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 76 claims were for opioids.
Most prescribed
- Gabapentin106 claims
- Carbidopa-Levodopa68 claims
- Celecoxib52 claims
- Hydrocodone-Acetaminophen34 claims
- Meloxicam33 claims
- Carbidopa-Levodopa Er30 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: $92.22
5 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 64,719 providers of this specialty with any payment received $841.65 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
- Kalispell Regional Medical Center IncWhitefish, MT
- Mednorth Kalispell Urgent Care Clinic, LLCKalispell, MT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
63 physician assistant records list a practice address in Kalispell
They are 63 of the 1,650 NPPES records with a practice address in Kalispell, and 698 physician assistant records in Montana.
All 63 in Kalispell → All 698 in Montana → Every provider in Kalispell →
Other physician assistant records in Montana
- Jessika Abbrescia, PACKalispell, MT1740959915
- Cynthia Alarcon, PA-CHelena, MT1386981686
- Patrick Alduenda, PA-CHelena, MT1710967724
- Sheryl Alexander, D.C., P.A.Missoula, MT1326199951
- Jesse Alfiero, PA-CRonan, MT1396491155
- Robert Alfiero, PA-CRonan, MT1417029059
- Janel Allison-Shamblin, PA-CBozeman, MT1437626751
- Luke Altenhofen, PA-CLame Deer, MT1407221708
- Alexandra AlthofBillings, MT1487338034
- Brenda Anderson, PA-CKalispell, MT1912145467
Common questions
What is Robert J. Griffin, PAC's NPI number?
Robert J. Griffin, PAC's National Provider Identifier (NPI) is 1588632236, issued on Mar 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert J. Griffin, PAC located?
The NPPES record lists a practice address at 200 Commons Way Ste B, Kalispell, MT, 59901. Phone: (406) 752-5170. Providers update this record themselves, so call before visiting.
How can I verify Robert J. Griffin, PAC's license?
NPPES lists Montana license number 520, as entered by the provider. Search the Montana board that licenses this profession; the NPPES record confirms identity only.
How much does Robert J. Griffin, PAC prescribe under Medicare Part D?
In 2024, Robert J. Griffin, PAC had 620 Medicare Part D claims for 141 beneficiaries; the average among physician assistant prescribers was 830. 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.