NPPES file of Aug 9, 2026

Janson Rigby, DO

Ophthalmology Physician · Helena, MT

Janson Rigby, DO is an ophthalmology physician with a practice address in Helena, Montana, and NPI 1538622626, issued on Apr 7, 2019. Check the license (Montana 136910, 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
1538622626
Name
Janson Rigby
Credential
DO
Primary taxonomy
Ophthalmology Physician 207W00000X
License number
136910 MT
Self-reported in NPPES; status is on the state search
Practice location
3116 Saddle Dr, Helena, MT 59601
Phone
(406) 443-4040
Enumerated
Apr 7, 2019
Record last updated
Jan 15, 2025
Fax
(406) 541-3811
Medicare enrollment
Enrolled (PECOS I20240607001740); accepts Medicare assignment
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 3116 Saddle Dr

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

  1. Brian Duffy, DMDPediatric Dentistry1588298434
  2. Nicholas Ford, D.O.Anesthesiology Physician1366646887
  3. Scott Pargot, DOOtolaryngology Physician1366543985
  4. Marissa RoseOptician1093405649
  5. Nathan Sanders, D.O.Otolaryngology Physician1124276340
  6. Chad Swanson, ODOptometrist1336151836

Verify Janson Rigby 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 136910
    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

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89% fewer Medicare Part D claims than the average ophthalmology physician in 2024

169 Medicare Part D claims for 72 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.

  1. Janson Rigby169
  2. Specialty average1,518

Most prescribed

  1. Latanoprost30 claims
  2. Dorzolamide-Timolol28 claims
  3. Prednisolone Acetate22 claims
  4. Moxifloxacin17 claims
  5. Ketorolac Tromethamine14 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: $663.05

13 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Janson Rigby$663.05
  2. Specialty average$4,535.02

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. Rocky Mountain Eye Center PCMissoula, MT

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

Janson Rigby among 65 ophthalmology physician records in Montana

Janson Rigby, DO is one of 65 ophthalmology 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 2019, is newer than 98% of them.

  • NPI issued2019 · 98% of these records are older, 0% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2024 · median 1998 among the 38 with a school on file
  • Record last updated2025 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Ophthalmology Physician providers in Montana

There are 65 ophthalmology physician records in Montana.

The 8 ophthalmology physician records with the nearest ZIP codes

  1. Thomas Berbos, MDHelena, MT 596011710963517
  2. Robert Summerer, M.D.Helena, MT 596011760562441
  3. Craig Wilkerson, MDHelena, MT 596011508976267
  4. Paul Berner, M.D.Fort Harrison, MT 596361447367651
  5. Allen Beardsley, M.D.Havre, MT 595011366414823
  6. Clay Holley, M.D.Butte, MT 597011346565330
  7. Bartholomew Martyak, MDButte, MT 597011073508669
  8. Robert Noble, M.D.Butte, MT 597011124024351

Common questions

What is Janson Rigby, DO's NPI number?

Janson Rigby, DO's National Provider Identifier (NPI) is 1538622626, issued on Apr 7, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Janson Rigby, DO located?

The NPPES record lists a practice address at 3116 Saddle Dr, Helena, MT, 59601. Phone: (406) 443-4040. Providers update this record themselves, so call before visiting.

How can I verify Janson Rigby, DO's license?

NPPES lists Montana license number 136910, 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 Janson Rigby, DO prescribe under Medicare Part D?

In 2024, Janson Rigby, DO had 169 Medicare Part D claims for 72 beneficiaries; the average among ophthalmology physician prescribers was 1,518. 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.