NPPES file of Aug 9, 2026

Peter Barkalow Holt, MD

Internal Medicine Physician · Longmont, CO

Peter Barkalow Holt, MD is an internal medicine physician with a practice address in Longmont, Colorado, and NPI 1104907450, issued on Oct 17, 2006. Check the license (Colorado 19986, 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
1104907450
Name
Peter Barkalow Holt
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
19986 CO
Self-reported in NPPES; status is on the state search
Practice location
2030 W Mountain View Avenue, Longmont, CO 80501
Phone
(303) 776-1532
Enumerated
Oct 17, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(303) 776-3109
Medicaid ID
04005930 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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Verify Peter Barkalow Holt in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license 19986
    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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Peter Barkalow Holt among 2,046 internal medicine physician records in Colorado

Peter Barkalow Holt, 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 not. Its NPI, issued in 2006, is newer than 10% of them.

  • NPI issued2006 · 10% of these records are older, 60% newer
  • In a Medicare fileNo · 71% of these records are
  • In the CMS Doctors and Clinicians fileNo · 53% of these records are
  • Record last updated2007 · 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).

45 internal medicine physician records list a practice address in Longmont

They are 45 of the 2,381 NPPES records with a practice address in Longmont, and 2,046 internal medicine physician records in Colorado. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Marie Bush, MDLongmont, CO 805011467456889
  2. Laird Cagan, MDLongmont, CO 805011285715532
  3. Wendy CarleLongmont, CO 805011548397508
  4. Reginald Guy, MDLongmont, CO 805011528063849
  5. Hartmut Koelsch, MDLongmont, CO 805011881699551
  6. Tana Levine, MDLongmont, CO 805011831161108
  7. Holly Lewis, MDLongmont, CO 805011093896342
  8. David McCarty, DOLongmont, CO 805011174521058

Common questions

What is Peter Barkalow Holt, MD's NPI number?

Peter Barkalow Holt, MD's National Provider Identifier (NPI) is 1104907450, issued on Oct 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Peter Barkalow Holt, MD located?

The NPPES record lists a practice address at 2030 W Mountain View Avenue, Longmont, CO, 80501. Phone: (303) 776-1532. Providers update this record themselves, so call before visiting.

How can I verify Peter Barkalow Holt, MD's license?

NPPES lists Colorado license number 19986, 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.

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.