Robert Fay Chaffin, DDS
Dentist · Chinook, MT
Robert Fay Chaffin, DDS is a dentist with a practice address in Chinook, Montana, and NPI 1780025353, issued on Jul 11, 2013. Check the license (Montana DEN-DEN-LIC-5986, as entered in NPPES) with the Montana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Robert Fay Chaffin
- Credential
- DDS
- Primary taxonomy
- Dentist 122300000X
- License number
- DEN-DEN-LIC-5986 MT
Self-reported in NPPES; status is on the state search - Practice location
- 419 Pennsylvania St, Chinook, MT 59523
- Phone
- (406) 357-2668
- Enumerated
- Jul 11, 2013
- Record last updated
- Feb 5, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (406) 357-2663
- Entity
- Type 1 · individual
8 nearest dentist records → All 266 in Montana → Look up another NPI →
Also registered at 419 Pennsylvania St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stephanie ChristmanFamily Nurse Practitioner1831664242
- Megan Faber, PAPhysician Assistant1790419224
- Mariah Kellam, RNFamily Nurse Practitioner1083230304
- Kyla Krueger, NPFamily Nurse Practitioner1386360295
- Kasey Labuda, LCSWClinical Social Worker1679342166
- Larry Obie, ODOptometrist1285606426
Verify Robert Fay Chaffin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Montana board licenses this profession
Search for license DEN-DEN-LIC-5986Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.6 times the Medicare Part D claims of the average dentist in 2024
225 Medicare Part D claims for 107 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 15 claims were for opioids.
Most prescribed
- Amoxicillin179 claims
- Clindamycin Hcl17 claims
- Hydrocodone-Acetaminophen13 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: $1,621.52
5 payments; by number, the most common kind was food and beverage; the largest payer was Patterson Companies, Inc. The 31,974 providers of this specialty with any payment received $540.36 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.
Robert Fay Chaffin among 266 dentist records in Montana
Robert Fay Chaffin, DDS is one of 266 dentist records with a practice address in Montana. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 65% of them.
- NPI issued2013 · 65% of these records are older, 29% newer
- In a Medicare fileYes · 63% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2015 · 70% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1 dentist record lists a practice address in Chinook
They are 1 of the 27 NPPES records with a practice address in Chinook, and 266 dentist records in Montana.
All 266 in Montana → Every provider in Chinook → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Zachary Ramberg, DDSChester, MT 595221467891556
- Kenneth Hoffman, DMDBox Elder, MT 595211548384415
- Stephen Jaeger, DMDBox Elder, MT 595211700362555
- Michael Melland, RN BSN DDSBox Elder, MT 595211467588988
- Hilary Warren, DMDBox Elder, MT 595211194219253
- Antonella Lanza, DMDHarlem, MT 595261376749176
- Richard Rush, DMDHarlem, MT 595261568483303
- Alyssa Harris, D.M.DHavre, MT 595011568848117
Common questions
What is Robert Fay Chaffin, DDS's NPI number?
Robert Fay Chaffin, DDS's National Provider Identifier (NPI) is 1780025353, issued on Jul 11, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Robert Fay Chaffin, DDS located?
The NPPES record lists a practice address at 419 Pennsylvania St, Chinook, MT, 59523. Phone: (406) 357-2668. Providers update this record themselves, so call before visiting.
How can I verify Robert Fay Chaffin, DDS's license?
NPPES lists Montana license number DEN-DEN-LIC-5986, as entered by the provider. Search the Montana board that licenses this profession; the NPPES record confirms identity only.
How much does Robert Fay Chaffin, DDS prescribe under Medicare Part D?
In 2024, Robert Fay Chaffin, DDS had 225 Medicare Part D claims for 107 beneficiaries; the average among dentist prescribers was 86. 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.