Douglas Henry Gratwohl, O.D.
Optometrist · Hardin, MT
Douglas Henry Gratwohl, O.D. is an optometrist with a practice address in Hardin, Montana, and NPI 1508893694, issued on Jun 26, 2006. Check the license (Montana 431, as entered in NPPES) with the Montana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Douglas Henry Gratwohl
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 431 MT
Self-reported in NPPES; status is on the state search - Practice location
- 215 W 3RD Street, Hardin, MT 59034
- Phone
- (406) 665-1204
- Enumerated
- Jun 26, 2006
- Record last updated
- Mar 24, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (406) 665-4177
- Medicaid ID
- 048-4185 MT
- Entity
- Type 1 · individual
8 nearest optometrist records → All 245 in Montana → Look up another NPI →
Verify Douglas Henry Gratwohl in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Montana board licenses this profession
Search for license 431Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average optometrist in 2024
66 Medicare Part D claims for 26 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 38% of claims.
Most prescribed
- Latanoprost29 claims
- Neomycin-Polymyxin-Dexameth11 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.
Douglas Henry Gratwohl among 245 optometrist records in Montana
Douglas Henry Gratwohl, O.D. is one of 245 optometrist records with a practice address in Montana. 75% 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, 58% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 65% of these records are
- Record last updated2010 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1 optometrist record lists a practice address in Hardin
They are 1 of the 60 NPPES records with a practice address in Hardin, and 245 optometrist records in Montana.
All 245 in Montana → Every provider in Hardin → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Ronald Benner, O.D.Laurel, MT 590441710037437
- Barbara Cohn, O.D.Crow Agency, MT 590221003918384
- Emily Mathiak, ODCrow Agency, MT 590221790047819
- Kaylee Willner, ODCrow Agency, MT 590221831016583
- James Barney, ODLivingston, MT 590471982677787
- Johanna Barney, ODLivingston, MT 590471528554557
- Colleen Culbertson, ODLivingston, MT 590471396632493
- Marisa Hess, OPTOMETRISTLivingston, MT 590471588820773
Common questions
What is Douglas Henry Gratwohl, O.D.'s NPI number?
Douglas Henry Gratwohl, O.D.'s National Provider Identifier (NPI) is 1508893694, issued on Jun 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Douglas Henry Gratwohl, O.D. located?
The NPPES record lists a practice address at 215 W 3RD Street, Hardin, MT, 59034. Phone: (406) 665-1204. Providers update this record themselves, so call before visiting.
How can I verify Douglas Henry Gratwohl, O.D.'s license?
NPPES lists Montana license number 431, as entered by the provider. Search the Montana board that licenses this profession; the NPPES record confirms identity only.
How much does Douglas Henry Gratwohl, O.D. prescribe under Medicare Part D?
In 2024, Douglas Henry Gratwohl, O.D. had 66 Medicare Part D claims for 26 beneficiaries; the average among optometrist prescribers was 277. 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.