Christopher J. D Ambrosia, M.D.
Pain Medicine Physician · Denver, CO
Christopher J. D Ambrosia, M.D. is a pain medicine physician with a practice address in Denver, Colorado, and NPI 1881702629, issued on Aug 29, 2006. Check the license (Colorado 42656, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Christopher J. D Ambrosia
- Credential
- M.D.
- Primary taxonomy
- Pain Medicine Physician 208VP0000X
- License number
- 42656 CO
Self-reported in NPPES; status is on the state search - Practice location
- 8101 E Lowry Blvd, Denver, CO 80230
- Phone
- (303) 344-9090
- Enumerated
- Aug 29, 2006
- Record last updated
- Feb 16, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (303) 344-1922
- Medicaid IDs
- 59554037 CO
46876545 CO - Medicare enrollment
- Enrolled (PECOS I20051007000883); accepts Medicare assignment
- Medical or professional school
- Louisiana State University School Of Medicine In New Orleans, 2000
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest pain medicine physician records → All 12 in Colorado → Look up another NPI →
Also registered at 8101 E Lowry Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Diane Chaffee, P.A.Surgical Physician Assistant1467485417
- Courtney Fassett, LMTSpecialist1275824708
- James Ferrari, M.D.Orthopaedic Surgery Physician1326065996
- Wayne Gersoff, M.D.Orthopaedic Surgery Physician1477570075
- Roger Greenberg, M.D.Orthopaedic Surgery Physician1225055718
- Patricia Grenz, PT, CHTSpecialist1144304403
Verify Christopher J. D Ambrosia in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 42656Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
50% fewer Medicare Part D claims than the average pain medicine physician in 2024
1,055 Medicare Part D claims for 254 beneficiaries, against an average of 2,095 among the 944 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims. 357 claims were for opioids.
Most prescribed
- Gabapentin230 claims
- Baclofen144 claims
- Morphine Sulfate Er65 claims
- Tramadol Hcl57 claims
- Hydrocodone-Acetaminophen55 claims
- Oxycodone Hcl55 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $19.15
1 payment: food and beverage; the largest payer was Scilex Pharmaceuticals Inc. The 769 providers of this specialty with any payment received $3,397.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Orthopedic Centers OF Colorado LLCParker, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christopher J. D Ambrosia among 12 pain medicine physician records in Colorado
Christopher J. D Ambrosia, M.D. is one of 12 pain medicine physician records with a practice address in Colorado. 58% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 42% newer
- In a Medicare fileYes · 58% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Record last updated2016 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208VP0000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pain Medicine Physician providers in Colorado
There are 12 pain medicine physician records in Colorado.
All 12 in Colorado → Every provider in Denver → Pain Medicine Physician nationwide →
The 8 pain medicine physician records with the nearest ZIP codes
- John Littleford, DOParker, CO 801341053411421
- David Schaut, M.D.Parker, CO 801341740364512
- Steven Wright, MDWheat Ridge, CO 800331336240985
- Colin Carpenter, M.D.Fort Collins, CO 805251356639140
- Matthew Pouliot, D.O.Fort Collins, CO 805251154584266
- Orrie Clemens, MDFort Collins, CO 805261255312625
- Mark Kunze, AGACNPLoveland, CO 805381578112710
- John Bissell, M.D.Colorado Springs, CO 809171902821531
Common questions
What is Christopher J. D Ambrosia, M.D.'s NPI number?
Christopher J. D Ambrosia, M.D.'s National Provider Identifier (NPI) is 1881702629, issued on Aug 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Christopher J. D Ambrosia, M.D. located?
The NPPES record lists a practice address at 8101 E Lowry Blvd, Denver, CO, 80230. Phone: (303) 344-9090. Providers update this record themselves, so call before visiting.
How can I verify Christopher J. D Ambrosia, M.D.'s license?
NPPES lists Colorado license number 42656, 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 Christopher J. D Ambrosia, M.D. prescribe under Medicare Part D?
In 2024, Christopher J. D Ambrosia, M.D. had 1,055 Medicare Part D claims for 254 beneficiaries; the average among pain medicine physician prescribers was 2,095. Part D covers Medicare prescriptions only.
What is Christopher J. D Ambrosia, M.D.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.