NPPES file of Aug 9, 2026

Warren Keith James, MD

Obstetrics & Gynecology Physician · Fort Collins, CO

Warren Keith James, MD is an obstetrics & gynecology physician with a practice address in Fort Collins, Colorado, and NPI 1538133996, issued on Feb 14, 2006. Check the license (Colorado 28997, as entered in NPPES) on the Colorado Medical Board; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1538133996
Name
Warren Keith James
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
28997 CO
Self-reported in NPPES; status is on the state search
Practice location
1107 S Lemay Ave, Fort Collins, CO 80524
Phone
(970) 493-7442
Enumerated
Feb 14, 2006
Record last updated
May 3, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(970) 493-2990
Medicaid ID
01289974 CO
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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8 nearest obstetrics & gynecology physician records → All 906 in Colorado → Look up another NPI →

Also registered at 1107 S Lemay Ave

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

  1. Lora Bureau, PAPhysician Assistant1336113307
  2. Hans Coester, MDNeurological Surgery Physician1043256613
  3. Beverly Donnelley, MDGynecology Physician1053385492
  4. Kyra GeraghtyObstetrics & Gynecology Physician1821305947
  5. Kristin GlennLactation Consultant (Non-RN)1073938783
  6. Susan Haney, MDObstetrics & Gynecology Physician1831163229

Verify Warren Keith James in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license 28997    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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Warren Keith James among 906 obstetrics & gynecology physician records in Colorado

Warren Keith James, MD is one of 906 obstetrics & gynecology physician records with a practice address in Colorado. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 12% of them.

  • NPI issued2006 · 12% of these records are older, 57% newer
  • In a Medicare fileNo · 69% of these records are
  • In the CMS Doctors and Clinicians fileNo · 56% of these records are
  • Record last updated2018 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in Colorado

There are 906 obstetrics & gynecology physician records in Colorado. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 906 in Colorado → Every provider in Fort Collins → Obstetrics & Gynecology Physician nationwide →

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Kyra GeraghtyFort Collins, CO 805241821305947
  2. Susan Haney, MDFort Collins, CO 805241831163229
  3. Karen Hayes, D.O.Fort Collins, CO 805241578581195
  4. Angela King, MDFort Collins, CO 805241518931815
  5. Adrian Krause, MDFort Collins, CO 805241588893739
  6. Gary Ludwin, MDFort Collins, CO 805241912971342
  7. Philip Priebe, M.D.Fort Collins, CO 805241720089014
  8. Nicole Roberson, MDFort Collins, CO 805241558330266

Common questions

What is Warren Keith James, MD's NPI number?

Warren Keith James, MD's National Provider Identifier (NPI) is 1538133996, issued on Feb 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Warren Keith James, MD located?

The NPPES record lists a practice address at 1107 S Lemay Ave, Fort Collins, CO, 80524. Phone: (970) 493-7442. Providers update this record themselves, so call before visiting.

How can I verify Warren Keith James, MD's license?

NPPES lists Colorado license number 28997, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.