NPPES file of Aug 9, 2026

Eric J. Whittier, DO

Internal Medicine Physician · Denver, CO

Eric J. Whittier, DO is an internal medicine physician with a practice address in Denver, Colorado, and NPI 1144395526, issued on Nov 21, 2006. Check the license 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
1144395526
Name
Eric J. Whittier
Credential
DO
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
252805 NY
Self-reported in NPPES; status is on the state search
Practice location
1960 Ogden St, Denver, CO 80218
Phone
(303) 318-3840
Enumerated
Nov 21, 2006
Record last updated
Feb 4, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(303) 837-0208
Medicaid IDs
30226184 NH
26684063 CO
432796199 ME
Medicare enrollment
Enrolled (PECOS I20120828000109); accepts Medicare assignment
Medical or professional school
Philadelphia College Of Osteopathic Medicine, 2004
Telehealth
Offers telehealth (CMS)
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 1960 Ogden St

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

  1. Mark Ammons, M.D.Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician1982600037
  2. Sally Berger, M.D.Family Medicine Physician1306997135
  3. Rachel Carpenter, MDFamily Medicine Physician1316386469
  4. Rebecca Collins, MDStudent in an Organized Health Care Education/Training Program1215376173
  5. Elizabeth Cyran, MD, MSPHInternal Medicine Physician1184662108
  6. Jenna Fox, M.S., CGCGenetic Counselor (M.S.)1669403606

Verify Eric J. Whittier in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical BoardCheck 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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2.2 times the Medicare Part D claims of the average internal medicine physician in 2024

7,077 Medicare Part D claims for 562 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 323 claims were for opioids.

  1. Eric Whittier7,077
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium458 claims
  2. Lisinopril304 claims
  3. Levothyroxine Sodium262 claims
  4. Omeprazole256 claims
  5. Losartan Potassium228 claims
  6. Amlodipine Besylate223 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: $26.39

1 payment: food and beverage; the largest payer was Exact Sciences Corporation. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Eric Whittier$26.39
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 3 group practices

  1. Intermountain Medical Group Denver LLCBroomfield, CO
  2. Legacy Healthcare Services IncDenver, CO
  3. Select Physical Therapy OF West Denver Limited PartnershipDenver, CO

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

Eric J. Whittier among 2,046 internal medicine physician records in Colorado

Eric J. Whittier, DO is one of 2,046 internal medicine physician records with a practice address in Colorado. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.

  • NPI issued2006 · 10% of these records are older, 60% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 53% of these records are
  • Graduated2004 · median 2006 among the 1,090 with a school on file
  • Record last updated2013 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

493 internal medicine physician records list a practice address in Denver

They are 493 of the 25,068 NPPES records with a practice address in Denver, and 2,046 internal medicine physician records in Colorado.

The 8 internal medicine physician records with the nearest ZIP codes

  1. August Anneberg, M.D.Denver, CO 802181225000508
  2. Samuel Brown, MDDenver, CO 802181245206515
  3. Nicola Bugelli, MDDenver, CO 802181760460695
  4. Alan Burgess, MDDenver, CO 802181003804931
  5. Aaron Calderon, MDDenver, CO 802181124075353
  6. Stephen Carmel, MDDenver, CO 802181245260017
  7. Elizabeth Cyran, MD, MSPHDenver, CO 802181184662108
  8. Brian Dwinnell, M.D.Denver, CO 802181992725964

Common questions

What is Eric J. Whittier, DO's NPI number?

Eric J. Whittier, DO's National Provider Identifier (NPI) is 1144395526, issued on Nov 21, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Eric J. Whittier, DO located?

The NPPES record lists a practice address at 1960 Ogden St, Denver, CO, 80218. Phone: (303) 318-3840. Providers update this record themselves, so call before visiting.

How can I verify Eric J. Whittier, DO's license?

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 Eric J. Whittier, DO prescribe under Medicare Part D?

In 2024, Eric J. Whittier, DO had 7,077 Medicare Part D claims for 562 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.