NPPES file of Aug 9, 2026

Nathaniel S. Chappelle, MD

Family Medicine Physician · Fort Collins, CO

Nathaniel S. Chappelle, MD is a family medicine physician with a practice address in Fort Collins, Colorado, and NPI 1194160077, issued on May 6, 2013. Check the license (Colorado 0059705, as entered in NPPES) on the Colorado Medical Board; 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
1194160077
Name
Nathaniel S. Chappelle
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
0059705 CO
Self-reported in NPPES; status is on the state search
Practice location
305 Carpenter RD, Fort Collins, CO 80525
Phone
(970) 663-3500
Enumerated
May 6, 2013
Record last updated
Feb 22, 2024
Medicaid ID
1194160077 MN
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 305 Carpenter RD

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

  1. David Allen, MDHospice and Palliative Medicine (Internal Medicine) Physician1942225990
  2. Renee BakerClinical Social Worker1962759746
  3. Matthew Coleman, NPFamily Nurse Practitioner1588453765
  4. Courtney GaskinsMarriage & Family Therapist1952807083
  5. Julianne GraulClinical Social Worker1770830564
  6. Nancy Jakobsson, LCSWClinical Social Worker1679505929

Verify Nathaniel S. Chappelle in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license 0059705
    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 Colorado license search

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94% fewer Medicare Part D claims than the average family medicine physician in 2024

218 Medicare Part D claims for 89 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 38 claims were for opioids.

  1. Nathaniel Chappelle218
  2. Specialty average3,544

Most prescribed

  1. Morphine Sulfate17 claims
  2. Levothyroxine Sodium13 claims
  3. Lorazepam11 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.

158 family medicine physician records list a practice address in Fort Collins

They are 158 of the 6,928 NPPES records with a practice address in Fort Collins, and 3,563 family medicine physician records in Colorado.

Other family medicine physician records in Colorado

  1. Eric Abbott, D.O.Colorado Springs, CO1255522876
  2. John Abbott, D.O.Lamar, CO1255477790
  3. Rasha Abdelsalam, MDDenver, CO1891058467
  4. Baiju Abdulla, M.B.B.S.Colorado Springs, CO1316119076
  5. Nathalie Abisror, MDCastle Pines, CO1336634922
  6. Ashley Abrahamson, DOPueblo, CO1497324065
  7. Lara Abrahamson, MDFort Collins, CO1538145289
  8. Pamela Abrams, MDBroomfield, CO1073514188
  9. Hemamalini Achuthan, MDLakewood, CO1205982881
  10. Chris Adams, D.O.Limon, CO1144285248

Common questions

What is Nathaniel S. Chappelle, MD's NPI number?

Nathaniel S. Chappelle, MD's National Provider Identifier (NPI) is 1194160077, issued on May 6, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Nathaniel S. Chappelle, MD located?

The NPPES record lists a practice address at 305 Carpenter RD, Fort Collins, CO, 80525. Phone: (970) 663-3500. Providers update this record themselves, so call before visiting.

How can I verify Nathaniel S. Chappelle, MD's license?

NPPES lists Colorado license number 0059705, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Nathaniel S. Chappelle, MD prescribe under Medicare Part D?

In 2024, Nathaniel S. Chappelle, MD had 218 Medicare Part D claims for 89 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.