NPPES file of Aug 9, 2026

David H. Lookner, M.D.

Internal Medicine Physician · Boulder, CO

David H. Lookner, M.D. is an internal medicine physician with a practice address in Boulder, Colorado, and NPI 1326175308, issued on Feb 27, 2007. Check the license (Colorado 36773, 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
1326175308
Name
David H. Lookner
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
36773 CO
Self-reported in NPPES; status is on the state search
Practice location
580 Mohawk Dr, Boulder, CO 80303
Phone
(303) 338-4545
Enumerated
Feb 27, 2007
Record last updated
May 17, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid ID
01367739 CO
Medicare enrollment
Enrolled (PECOS I20090225000528); accepts Medicare assignment
Medical or professional school
University Of Colorado School Of Medicine, Denver, 1995
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 580 Mohawk Dr

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

  1. Bart Abriol, PTPhysical Therapist1093847964
  2. Kandace AnichInternal Medicine Physician1609903640
  3. Xochitl Ashpole, PTPhysical Therapist1487768099
  4. Michael Baum, MSPTPhysical Therapist1992854095
  5. Eileen Bickford, MDFamily Medicine Physician1376529941
  6. Jill Blomer, MEDICAL RECEPTIONISTSpecialist1174739635

Verify David H. Lookner in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license 36773
    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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2.2 times the Medicare Part D claims of the average internal medicine physician in 2024

6,963 Medicare Part D claims for 692 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 243 claims were for opioids.

  1. David Lookner6,963
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium744 claims
  2. Lisinopril324 claims
  3. Amlodipine Besylate269 claims
  4. Simvastatin250 claims
  5. Omeprazole240 claims
  6. Tamsulosin Hcl230 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.

Bills Medicare through one group practice

  1. Colorado Permanente Medical Group PCBoulder, CO

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

David H. Lookner among 2,046 internal medicine physician records in Colorado

David H. Lookner, M.D. 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 fileYes · 53% of these records are
  • Graduated1995 · median 2006 among the 1,090 with a school on file
  • 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).

74 internal medicine physician records list a practice address in Boulder

They are 74 of the 5,635 NPPES records with a practice address in Boulder, and 2,046 internal medicine physician records in Colorado.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Meighan Elder, MDBoulder, CO 803031649307661
  2. Wael Garas, MDBoulder, CO 803031033181375
  3. Mark Haimes, MDBoulder, CO 803031114908613
  4. Stephen Hoerler, M.D.Boulder, CO 803031962404400
  5. Benjamin Keidan, MDBoulder, CO 803031316032584
  6. Stefanie Krenz, MDBoulder, CO 803031982676250
  7. Valerie Lipetz, MDBoulder, CO 803031356323745
  8. Diana Mancini, MDBoulder, CO 803031619990090

Common questions

What is David H. Lookner, M.D.'s NPI number?

David H. Lookner, M.D.'s National Provider Identifier (NPI) is 1326175308, issued on Feb 27, 2007. An NPI identifies a provider in billing; it is not a license.

Where is David H. Lookner, M.D. located?

The NPPES record lists a practice address at 580 Mohawk Dr, Boulder, CO, 80303. Phone: (303) 338-4545. Providers update this record themselves, so call before visiting.

How can I verify David H. Lookner, M.D.'s license?

NPPES lists Colorado license number 36773, 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 David H. Lookner, M.D. prescribe under Medicare Part D?

In 2024, David H. Lookner, M.D. had 6,963 Medicare Part D claims for 692 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.