NPPES file of Aug 9, 2026

Kerstin K. Froyd, MD

Internal Medicine Physician · Denver, CO

Kerstin K. Froyd, MD is an internal medicine physician with a practice address in Denver, Colorado, and NPI 1235273830, issued on Feb 16, 2007. Check the license (Colorado 32732, 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
1235273830
Name
Kerstin K. Froyd
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
32732 CO
Self-reported in NPPES; status is on the state search
Practice location
1375 E 19TH Ave, Denver, CO 80218
Phone
(303) 338-4545
Enumerated
Feb 16, 2007
Record last updated
May 10, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid ID
01327329 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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Also registered at 1375 E 19TH Ave

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

  1. Bruce Adams, M.D.Emergency Medicine Physician1407946197
  2. Michele Adams, RNRegistered Nurse1851242572
  3. Drew Albright, D.O.Surgery Physician1578944633
  4. Corrie Alonzo, M.D.Neonatal-Perinatal Medicine Physician1073956033
  5. Amanda Alpert, RNRegistered Nurse1861086936
  6. Ainsley Anderson, M.D.Emergency Medicine Physician1558756569

Verify Kerstin K. Froyd in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license 32732
    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.

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99% fewer Medicare Part D claims than the average internal medicine physician in 2024

41 Medicare Part D claims for 33 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Kerstin Froyd41
  2. Specialty average3,176

Most prescribed

  1. Naloxone Hcl37 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.

Kerstin K. Froyd among 2,046 internal medicine physician records in Colorado

Kerstin K. Froyd, MD 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 2007, is newer than 40% of them.

  • NPI issued2007 · 40% of these records are older, 39% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileNo · 53% of these records are
  • Record last updated2021 · 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 Kerstin K. Froyd, MD's NPI number?

Kerstin K. Froyd, MD's National Provider Identifier (NPI) is 1235273830, issued on Feb 16, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Kerstin K. Froyd, MD located?

The NPPES record lists a practice address at 1375 E 19TH Ave, Denver, CO, 80218. Phone: (303) 338-4545. Providers update this record themselves, so call before visiting.

How can I verify Kerstin K. Froyd, MD's license?

NPPES lists Colorado license number 32732, 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 Kerstin K. Froyd, MD prescribe under Medicare Part D?

In 2024, Kerstin K. Froyd, MD had 41 Medicare Part D claims for 33 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.