NPPES file of Aug 9, 2026

Ken Kreidl, M.D.

Ophthalmology Physician · Boulder, CO

Ken Kreidl, M.D. is an ophthalmology physician with a practice address in Boulder, Colorado, and NPI 1942284500, issued on Dec 6, 2005. Check the license (Colorado 42396, 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
1942284500
Name
Ken Kreidl
Credential
M.D.
Primary taxonomy
Ophthalmology Physician 207W00000X
License number
42396 CO
Self-reported in NPPES; status is on the state search
Practice location
2750 Broadway St, Boulder, CO 80304
Phone
(303) 440-3000
Enumerated
Dec 6, 2005
Record last updated
Jul 13, 2026
Medicare enrollment
Enrolled (PECOS I20040524000245); accepts Medicare assignment
Medical or professional school
Stanford University School Of Medicine, 2000
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 2750 Broadway St

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

  1. Melinda AndersonAudiologist1942458948
  2. Karen Andrews, MDAllergy Physician1750365565
  3. Sarah Baade, AUDAudiologist1700028958
  4. Karen Bant-Kreutzer, ANP-CAdult Health Nurse Practitioner1093146110
  5. Erin Beaudin, FNPFamily Nurse Practitioner1558194290
  6. Pamela Christine BelinAudiologist1750598991

Verify Ken Kreidl in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license 42396
    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

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31% fewer Medicare Part D claims than the average ophthalmology physician in 2024

1,055 Medicare Part D claims for 284 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims.

  1. Ken Kreidl1,055
  2. Specialty average1,518

Most prescribed

  1. Latanoprost234 claims
  2. Prednisolone Acetate177 claims
  3. Ketorolac Tromethamine174 claims
  4. Moxifloxacin166 claims
  5. Timolol Maleate65 claims
  6. Bromfenac Sodium57 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: $22.35

1 payment: food and beverage; the largest payer was Bausch & Lomb Americas Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ken Kreidl$22.35
  2. Specialty average$4,535.02

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

Bills Medicare through one group practice

  1. Boulder Medical Center, PCBoulder, CO

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

Ken Kreidl among 338 ophthalmology physician records in Colorado

Ken Kreidl, M.D. is one of 338 ophthalmology 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 80% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2000 · median 2001 among the 199 with a school on file
  • Record last updated2026 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Ophthalmology Physician providers in Colorado

There are 338 ophthalmology physician records in Colorado.

The 8 ophthalmology physician records with the nearest ZIP codes

  1. Donald McCormack, M.D.Boulder, CO 803041275518482
  2. Niles Utlaut, MDBoulder, CO 803041639233919
  3. Kevin Cuevas, MDBoulder, CO 803031265418438
  4. Donald Keller, MDBoulder, CO 803031275570038
  5. John Kloor, MDBoulder, CO 803031962546671
  6. Geeta Lalchandani-Lalwani, M.D.Boulder, CO 803031609891811
  7. Brian Nichols, M.D. PH.D.Boulder, CO 803031699727172
  8. William Roberts, M.D.Boulder, CO 803031598876948

Common questions

What is Ken Kreidl, M.D.'s NPI number?

Ken Kreidl, M.D.'s National Provider Identifier (NPI) is 1942284500, issued on Dec 6, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Ken Kreidl, M.D. located?

The NPPES record lists a practice address at 2750 Broadway St, Boulder, CO, 80304. Phone: (303) 440-3000. Providers update this record themselves, so call before visiting.

How can I verify Ken Kreidl, M.D.'s license?

NPPES lists Colorado license number 42396, 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 Ken Kreidl, M.D. prescribe under Medicare Part D?

In 2024, Ken Kreidl, M.D. had 1,055 Medicare Part D claims for 284 beneficiaries; the average among ophthalmology physician prescribers was 1,518. 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.