NPPES file of Aug 9, 2026

Gregory Dean Dietrich, MD

Orthopaedic Surgery of the Spine Physician · Lewiston, ID

Gregory Dean Dietrich, MD is an orthopaedic surgery of the spine physician with a practice address in Lewiston, Idaho, and NPI 1306831698, issued on Sep 13, 2005. Check the license (Idaho M7482, as entered in NPPES) on the Idaho Board of Medicine; 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
1306831698
Name
Gregory Dean Dietrich
Credential
MD
Primary taxonomy
Orthopaedic Surgery of the Spine Physician 207XS0117X
License numbers
M7482 ID
00034506 WA
Self-reported in NPPES; status is on the state search
Practice location
320 Warner Drive, Lewiston, ID 83501
Phone
(208) 743-3523
Enumerated
Sep 13, 2005
Record last updated
Jun 30, 2026
Fax
(208) 746-8741
Medicaid IDs
805208800 ID
8204851 WA
Medicare enrollment
Enrolled (PECOS I20100921001481); accepts Medicare assignment
Medical or professional school
Loma Linda University School Of Medicine, 1992
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 320 Warner Drive

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

  1. Leroy Keene, PACPhysician Assistant1952474041
  2. Jeremy Ostermiller, PACPhysician Assistant1437222528

Verify Gregory Dean Dietrich in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIdaho Board of Medicine
    Search for license M7482
    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 Idaho license search

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25% fewer Medicare Part D claims than the average orthopaedic surgery of the spine physician in 2024

285 Medicare Part D claims for 146 beneficiaries, against an average of 381 among the 1,714 providers of this specialty who prescribed in Part D. 146 claims were for opioids.

  1. Gregory Dietrich285
  2. Specialty average381

Most prescribed

  1. Hydrocodone-Acetaminophen76 claims
  2. Methocarbamol35 claims
  3. Methylprednisolone33 claims
  4. Tramadol Hcl32 claims
  5. Hydromorphone Hcl13 claims
  6. Oxycodone Hcl12 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: $436.15

8 payments; by number, the most common kind was food and beverage; the largest payer was DePuy Synthes Sales Inc. The 1,726 providers of this specialty with any payment received $34,071.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Gregory Dietrich$436
  2. Specialty average$34,072

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

  1. Catalyst Medical Group PLLCLewiston, ID
  2. St Joseph Hospital LLCClarkston, WA

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

Gregory Dean Dietrich among 16 orthopaedic surgery of the spine physician records in Idaho

Gregory Dean Dietrich, MD is one of 16 orthopaedic surgery of the spine physician records with a practice address in Idaho. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 94% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileYes · 81% of these records are
  • Graduated1992 · median 1999 among the 13 with a school on file
  • Record last updated2026 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207XS0117X and a Idaho practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Orthopaedic Surgery of the Spine Physician providers in Idaho

There are 16 orthopaedic surgery of the spine physician records in Idaho.

The 8 orthopaedic surgery of the spine physician records with the nearest ZIP codes

  1. Lynn Stromberg, MDIdaho Falls, ID 834041316029176
  2. Mark Weight, MDIdaho Falls, ID 834041396827150
  3. William Bradley, M.D.Meridian, ID 836421245273382
  4. Samuel Jorgenson, M.D.Meridian, ID 836421962447169
  5. David Verst, MDHailey, ID 833331164465977
  6. Michael Glover, M.D.Boise, ID 837021013235423
  7. Howard King, MDBoise, ID 837021023029840
  8. Joseph Verska, M.D.Boise, ID 837041699710541

Common questions

What is Gregory Dean Dietrich, MD's NPI number?

Gregory Dean Dietrich, MD's National Provider Identifier (NPI) is 1306831698, issued on Sep 13, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Gregory Dean Dietrich, MD located?

The NPPES record lists a practice address at 320 Warner Drive, Lewiston, ID, 83501. Phone: (208) 743-3523. Providers update this record themselves, so call before visiting.

How can I verify Gregory Dean Dietrich, MD's license?

NPPES lists Idaho license number M7482, as entered by the provider. Search the Idaho Board of Medicine at https://dopl.idaho.gov/bom/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Gregory Dean Dietrich, MD prescribe under Medicare Part D?

In 2024, Gregory Dean Dietrich, MD had 285 Medicare Part D claims for 146 beneficiaries; the average among orthopaedic surgery of the spine physician prescribers was 381. 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.