NPPES file of Aug 9, 2026

Derek Allan Gedlaman, DO

Family Medicine Physician · Columbia Falls, MT

Derek Allan Gedlaman, DO is a family medicine physician with a practice address in Columbia Falls, Montana, and NPI 1902895329, issued on Oct 18, 2005. Check the license (Montana 10336, 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
1902895329
Name
Derek Allan Gedlaman
Credential
DO
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
10336 MT
Self-reported in NPPES; status is on the state search
Practice location
734 9TH St W, Columbia Falls, MT 59912
Phone
(406) 892-1011
Enumerated
Oct 18, 2005
Record last updated
Jul 13, 2026
Fax
(406) 892-2108
Medicaid ID
00069734 MT
Medicare enrollment
Enrolled (PECOS I20040412000667); accepts Medicare assignment
Medical or professional school
College Of Osteo Med Of The Pacific At Pomona, 2000
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 734 9TH St W

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

  1. Keltie Warren, DCChiropractor1003537457

Verify Derek Allan Gedlaman 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 10336
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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9.1 times the Medicare Part D claims of the average family medicine physician in 2024

32,304 Medicare Part D claims for 568 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 626 claims were for opioids.

  1. Derek Gedlaman32,304
  2. Specialty average3,544

Most prescribed

  1. Levothyroxine Sodium1,454 claims
  2. Atorvastatin Calcium1,378 claims
  3. Omeprazole1,305 claims
  4. Furosemide1,186 claims
  5. Gabapentin1,066 claims
  6. Lisinopril1,046 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.

2 hospitals and group practices

  1. Logan Health - WhitefishColumbia Falls, MT · Critical Access Hospitals3 of 5 stars
  2. Alpine Family Medicine PCColumbia Falls, MT

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Derek Allan Gedlaman among 775 family medicine physician records in Montana

Derek Allan Gedlaman, DO is one of 775 family medicine physician 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 91% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2000 · median 2007 among the 464 with a school on file
  • Record last updated2026 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

8 family medicine physician records list a practice address in Columbia Falls

They are 8 of the 150 NPPES records with a practice address in Columbia Falls, and 775 family medicine physician records in Montana.

The 8 family medicine physician records with the nearest ZIP codes

  1. Eric Brandeberry, M.D.Columbia Falls, MT 599121992747836
  2. Maryann Carlson, MDColumbia Falls, MT 599121356317010
  3. Amy Dear-Ruel, MDColumbia Falls, MT 599121396123659
  4. Cameron Gardner, MDColumbia Falls, MT 599121487640926
  5. Joan Miller, MDColumbia Falls, MT 599121124094891
  6. Douglas Pitman, M.D.Columbia Falls, MT 599121811938640
  7. Chelsie Russig, DOColumbia Falls, MT 599121225534100
  8. Clay Campbell, M.D.Bigfork, MT 599111952497810

Common questions

What is Derek Allan Gedlaman, DO's NPI number?

Derek Allan Gedlaman, DO's National Provider Identifier (NPI) is 1902895329, issued on Oct 18, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Derek Allan Gedlaman, DO located?

The NPPES record lists a practice address at 734 9TH St W, Columbia Falls, MT, 59912. Phone: (406) 892-1011. Providers update this record themselves, so call before visiting.

How can I verify Derek Allan Gedlaman, DO's license?

NPPES lists Montana license number 10336, 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 Derek Allan Gedlaman, DO prescribe under Medicare Part D?

In 2024, Derek Allan Gedlaman, DO had 32,304 Medicare Part D claims for 568 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.