Diana L. Mancini, MD
Internal Medicine Physician · Boulder, CO
Diana L. Mancini, MD is an internal medicine physician with a practice address in Boulder, Colorado, and NPI 1619990090, issued on Jul 26, 2006. Check the license (Colorado 44925, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Diana L. Mancini
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 44925 CO
Self-reported in NPPES; status is on the state search - Practice location
- 4747 Arapahoe Ave, Boulder, CO 80303
- Phone
- (303) 415-7610
- Enumerated
- Jul 26, 2006
- Record last updated
- Nov 9, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (303) 415-7618
- Medicaid ID
- 03457389 CO
- Medicare enrollment
- Enrolled (PECOS I20060921000585); accepts Medicare assignment
- Medical or professional school
- University Of Colorado School Of Medicine, Denver, 2003
- Entity
- Type 1 · individual
Also registered at 4747 Arapahoe Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Aaron Adler, MDAnesthesiology Physician1932738358
- Jeska Albuisson, M.D.Internal Medicine Physician1184899320
- Carl Aldin, MDInternal Medicine Physician1932728565
- Chase Allen, PHARMDPharmacist1902727399
- Alice Ames, RDNRegistered Dietitian1013631084
- Lowell Anderson-Reitz, NPAdult Health Nurse Practitioner1255374849
Verify Diana L. Mancini in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 44925Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average internal medicine physician in 2024
65 Medicare Part D claims for 24 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 91.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Denver Health And Hospital AuthorityDenver, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (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.
All 74 in Boulder → All 2,046 in Colorado → Every provider in Boulder →
Other internal medicine physician records in Colorado
- Emily Aaron, MDDenver, CO1205256971
- David Abbey, MS MDFort Collins, CO1568483196
- Tyler Abbey, DOGreeley, CO1730572694
- Sahar Abdelqader, MDLongmont, CO1366600710
- Ahmed Abdulrahman, MDPueblo, CO1093425068
- Durant Abernethy, M.D.Frisco, CO1427289040
- Alan Aboaf, MDCentennial, CO1003866393
- Adam Abraham, MDAurora, CO1720178304
- Phebe Abraham, MDGreeley, CO1558980540
- Richard Abrams, M.D.Denver, CO1174645386
Common questions
What is Diana L. Mancini, MD's NPI number?
Diana L. Mancini, MD's National Provider Identifier (NPI) is 1619990090, issued on Jul 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Diana L. Mancini, MD located?
The NPPES record lists a practice address at 4747 Arapahoe Ave, Boulder, CO, 80303. Phone: (303) 415-7610. Providers update this record themselves, so call before visiting.
How can I verify Diana L. Mancini, MD's license?
NPPES lists Colorado license number 44925, 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 Diana L. Mancini, MD prescribe under Medicare Part D?
In 2024, Diana L. Mancini, MD had 65 Medicare Part D claims for 24 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Diana L. Mancini, MD's MIPS final score?
The 2023 MIPS final score is 91.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.