Heather Daryl Crittenden, MD
Internal Medicine Physician · Flagstaff, AZ
Heather Daryl Crittenden, MD is an internal medicine physician with a practice address in Flagstaff, Arizona, and NPI 1467448142, issued on Sep 27, 2005. Check the license (Arizona 25588, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Heather Daryl Crittenden
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 25588 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 3400 Escalante Ovi, Flagstaff, AZ 86001
- Phone
- (928) 226-1239
- Enumerated
- Sep 27, 2005
- Record last updated
- Mar 15, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (928) 773-1170
- Medicaid ID
- 422890 AZ
- Medicare enrollment
- Enrolled (PECOS I20050729000356); accepts Medicare assignment
- Medical or professional school
- University Of Alabama School Of Medicine, 1998
- Entity
- Type 1 · individual
Verify Heather Daryl Crittenden in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 25588Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
43 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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): 77 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
- Northern Arizona Healthcare CorporationFlagstaff, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Internal Medicine Physician providers in Arizona
There are 2,853 internal medicine physician records in Arizona.
Other internal medicine physician records in Arizona
- Daniel Aaronson, MDTucson, AZ1134865355
- Constantia Abarikwu, MDPhoenix, AZ1497832620
- Jaber Abawi, MDPayson, AZ1629038542
- Demsas Abay, MDPeoria, AZ1720312390
- Firas Abbas, M.D. M.P.H.Mesa, AZ1336481407
- Hassan Abbas, D.O.Mesa, AZ1477294775
- Jalal Abbas, M.D.Sun City West, AZ1205895034
- Tayeb Abbas, MDSun City West, AZ1093406795
- Hamed Abbaszadegan, MDPhoenix, AZ1407083579
- Kristopher Abbate, MDTucson, AZ1184112401
Common questions
What is Heather Daryl Crittenden, MD's NPI number?
Heather Daryl Crittenden, MD's National Provider Identifier (NPI) is 1467448142, issued on Sep 27, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Heather Daryl Crittenden, MD located?
The NPPES record lists a practice address at 3400 Escalante Ovi, Flagstaff, AZ, 86001. Phone: (928) 226-1239. Providers update this record themselves, so call before visiting.
How can I verify Heather Daryl Crittenden, MD's license?
NPPES lists Arizona license number 25588, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Heather Daryl Crittenden, MD prescribe under Medicare Part D?
In 2024, Heather Daryl Crittenden, MD had 43 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Heather Daryl Crittenden, MD's MIPS final score?
The 2023 MIPS final score is 77 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.