NPPES file of Aug 9, 2026

Nathan Patrick Karber, M.D.

Emergency Medicine Physician · Wheat Ridge, CO

Nathan Patrick Karber, M.D. is an emergency medicine physician with a practice address in Wheat Ridge, Colorado, and NPI 1831317718, issued on Apr 23, 2007. Check the license (Colorado 45068, 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
1831317718
Name
Nathan Patrick Karber
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
45068 CO
Self-reported in NPPES; status is on the state search
Practice location
8300 West 38TH Ave, Wheat Ridge, CO 80033
Phone
(303) 425-4500
Enumerated
Apr 23, 2007
Record last updated
Oct 22, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicaid ID
86374273 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.
Download card Updates feed

8 nearest emergency medicine physician records → All 1,434 in Colorado → Look up another NPI →

Verify Nathan Patrick Karber in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license 45068    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

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

Is this page about you? You can ask us to correct, restrict or remove it: how.

30% more Medicare Part D claims than the average emergency medicine physician in 2024

293 Medicare Part D claims for 227 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 21 claims were for opioids.

  1. Nathan Karber293
  2. Specialty average226

Most prescribed

  1. Naloxone Hcl32 claims
  2. Prednisone27 claims
  3. Cefuroxime25 claims
  4. Ondansetron Odt22 claims
  5. Amoxicillin-Clavulanate Potass17 claims
  6. Oxycodone Hcl17 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.

Nathan Patrick Karber among 1,434 emergency medicine physician records in Colorado

Nathan Patrick Karber, M.D. is one of 1,434 emergency medicine physician records with a practice address in Colorado. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 43% of them.

  • NPI issued2007 · 43% of these records are older, 47% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileNo · 57% of these records are
  • Record last updated2007 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medicine Physician providers in Colorado

There are 1,434 emergency medicine physician records in Colorado.

All 1,434 in Colorado → Every provider in Wheat Ridge → Emergency Medicine Physician nationwide →

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Jason Bellows, MDWheat Ridge, CO 800331952386757
  2. Todd Bickford, MDWheat Ridge, CO 800331053379719
  3. Klementyna Breyer, MDWheat Ridge, CO 800331073593562
  4. Travis Guthrie, M.D.Wheat Ridge, CO 800331235471632
  5. David Leventhal, MDWheat Ridge, CO 800331801154323
  6. Gwendolyn Mullinix, M.D.Wheat Ridge, CO 800331265482186
  7. Stacy Page, DOWheat Ridge, CO 800331962767368
  8. Danielle Prunty, MDWheat Ridge, CO 800331659384048

Common questions

What is Nathan Patrick Karber, M.D.'s NPI number?

Nathan Patrick Karber, M.D.'s National Provider Identifier (NPI) is 1831317718, issued on Apr 23, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Nathan Patrick Karber, M.D. located?

The NPPES record lists a practice address at 8300 West 38TH Ave, Wheat Ridge, CO, 80033. Phone: (303) 425-4500. Providers update this record themselves, so call before visiting.

How can I verify Nathan Patrick Karber, M.D.'s license?

NPPES lists Colorado license number 45068, 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 Nathan Patrick Karber, M.D. prescribe under Medicare Part D?

In 2024, Nathan Patrick Karber, M.D. had 293 Medicare Part D claims for 227 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.

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.