Registry data as of Aug 27, 2026

Christa Ambrose, DO

Family Medicine Physician · Boulder, CO

Christa Ambrose, DO is a family medicine physician with a practice address in Boulder, Colorado, and NPI 1902912116, issued on Aug 21, 2006. Check the license (Colorado DR.0044807, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1902912116
Name
Christa Ambrose
Credential
DO
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
DR.0044807 CO
Self-reported in NPPES; status is on the state search
Practice location
2525 13TH St, Boulder, CO 80304
Phone
(303) 449-6050
Enumerated
Aug 21, 2006
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 2525 13TH St

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

  1. Christopher Ahumada, PAPhysician Assistant1093429029
  2. Amy Alper, PAPhysician Assistant1104814540
  3. Alison Alter, FNPFamily Nurse Practitioner1528534211
  4. Erin Atkinson, ARNPFamily Nurse Practitioner1730170689
  5. Emily Barnak, PA-CPhysician Assistant1033441431
  6. Jennifer Berngard, MDFamily Medicine Physician1275897241

Verify Christa Ambrose in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license DR.0044807
    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.

81% fewer Medicare Part D claims than the average family medicine physician in 2024

653 Medicare Part D claims for 66 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 21 claims were for opioids.

  1. Christa Ambrose653
  2. Specialty average3,519

Most prescribed

  1. Atorvastatin Calcium74 claims
  2. Gabapentin61 claims
  3. Levothyroxine Sodium41 claims
  4. Metformin Hcl26 claims
  5. Ventolin Hfa25 claims
  6. Fluticasone-Salmeterol21 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.

89 family medicine physician records list a Boulder practice address

They are 89 of the 5,635 NPPES records with a Boulder practice address, and 3,406 family medicine physician records in Colorado.

Other family medicine physician records in Colorado

  1. Eric Abbott, D.O.Colorado Springs, CO1255522876
  2. John Abbott, D.O.Lamar, CO1255477790
  3. Rasha Abdelsalam, MDDenver, CO1891058467
  4. Baiju Abdulla, M.B.B.S.Colorado Springs, CO1316119076
  5. Nathalie Abisror, MDCastle Pines, CO1336634922
  6. Ashley Abrahamson, DOPueblo, CO1497324065
  7. Lara Abrahamson, MDFort Collins, CO1538145289
  8. Pamela Abrams, MDBroomfield, CO1073514188
  9. Hemamalini Achuthan, MDLakewood, CO1205982881
  10. Chris Adams, D.O.Limon, CO1144285248

Common questions

What is Christa Ambrose, DO's NPI number?

Christa Ambrose, DO's National Provider Identifier (NPI) is 1902912116, issued on Aug 21, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Christa Ambrose, DO located?

The NPPES record lists a practice address at 2525 13TH St, Boulder, CO, 80304. Phone: (303) 449-6050. Providers update this record themselves, so call before visiting.

How can I verify Christa Ambrose, DO's license?

NPPES lists Colorado license number DR.0044807, 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 Christa Ambrose, DO prescribe under Medicare Part D?

In 2024, Christa Ambrose, DO had 653 Medicare Part D claims for 66 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.