Diane M. Gray, O.D.
Optometrist · Helena, MT
Diane M. Gray, O.D. is an optometrist with a practice address in Helena, Montana, and NPI 1528120714, issued on Dec 14, 2006. Check the license (Montana 432, as entered in NPPES) with the Montana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Diane M. Gray
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 432 MT
Self-reported in NPPES; status is on the state search - Practice location
- 534 N Last Chance Gulch St, Helena, MT 59601
- Phone
- (406) 442-6814
- Enumerated
- Dec 14, 2006
- Record last updated
- Jan 16, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicaid ID
- 0480441 MT
- Entity
- Type 1 · individual
8 nearest optometrist records → All 245 in Montana → Look up another NPI →
Also registered at 534 N Last Chance Gulch St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- W. Coen, O.D.Optometrist1215018858
Verify Diane M. Gray in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Montana board licenses this profession
Search for license 432Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $163.19
1 payment: food and beverage; the largest payer was RxSight Inc. The 34,453 providers of this specialty with any payment received $769.99 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.
Diane M. Gray among 245 optometrist records in Montana
Diane M. Gray, 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 updated2008 · 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).
18 optometrist records list a practice address in Helena
They are 18 of the 1,591 NPPES records with a practice address in Helena, and 245 optometrist records in Montana.
All 245 in Montana → Every provider in Helena → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- W. Coen, O.D.Helena, MT 596011215018858
- William Hasquet, O.D.Helena, MT 596011730139577
- Risa Hedges, ODHelena, MT 596011801635776
- Nicole Henriksen, O.D.Helena, MT 596011902117401
- Patricia Hernacki, O.D.Helena, MT 596011154772572
- Marcus Kelley, ODHelena, MT 596011184675092
- Kyle Kuntz, OD OPTOMETRISTHelena, MT 596011467485466
- Matthew Nottingham, O.D.Helena, MT 596011316201874
Common questions
What is Diane M. Gray, O.D.'s NPI number?
Diane M. Gray, O.D.'s National Provider Identifier (NPI) is 1528120714, issued on Dec 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Diane M. Gray, O.D. located?
The NPPES record lists a practice address at 534 N Last Chance Gulch St, Helena, MT, 59601. Phone: (406) 442-6814. Providers update this record themselves, so call before visiting.
How can I verify Diane M. Gray, O.D.'s license?
NPPES lists Montana license number 432, as entered by the provider. Search the Montana board that licenses this profession; the NPPES record confirms identity 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.