Tasha Harder, DO
Family Medicine Physician · Flagstaff, AZ
Tasha Harder, DO is a family medicine physician with a practice address in Flagstaff, Arizona, and NPI 1881202976, issued on Jul 15, 2020. Check the license (Arizona 009534, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Tasha Harder
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 009534 AZ
R3486 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 2920 N 4TH St, Flagstaff, AZ 86004
- Phone
- (928) 522-9400
- Enumerated
- Jul 15, 2020
- Record last updated
- Apr 19, 2026
- Fax
- (928) 522-9694
- Medicare enrollment
- Enrolled (PECOS I20230613002112); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,119 in Arizona → Look up another NPI →
Also registered at 2920 N 4TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Teresa Aleman, PHARMDPharmacist1083103550
- Hazem AlnamousStudent in an Organized Health Care Education/Training Program1760283071
- April Alvarez-Corona, M.D.Pediatrics Physician1699926048
- Inna Amaryllis, MDStudent in an Organized Health Care Education/Training Program1316785652
- Natalie Andress, CNMAdvanced Practice Midwife1427319961
- Julie Armstrong, MSWClinical Social Worker1972058527
Verify Tasha Harder in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 009534Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% fewer Medicare Part D claims than the average family medicine physician in 2024
1,328 Medicare Part D claims for 196 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims. 25 claims were for opioids.
Most prescribed
- Atorvastatin Calcium105 claims
- Lisinopril65 claims
- Levothyroxine Sodium64 claims
- Pantoprazole Sodium52 claims
- Losartan Potassium47 claims
- Gabapentin41 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.
Bills Medicare through one group practice
- North Country Healthcare IncFlagstaff, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tasha Harder among 3,119 family medicine physician records in Arizona
Tasha Harder, DO is one of 3,119 family medicine physician records with a practice address in Arizona. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 86% of them.
- NPI issued2020 · 86% of these records are older, 12% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2020 · median 2006 among the 1,775 with a school on file
- Record last updated2026 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
61 family medicine physician records list a practice address in Flagstaff
They are 61 of the 2,419 NPPES records with a practice address in Flagstaff, and 3,119 family medicine physician records in Arizona.
All 3,119 in Arizona → Every provider in Flagstaff → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Paula Baglioni, M.D.Flagstaff, AZ 860041730161589
- Mary Brubaker, PAFlagstaff, AZ 860041336117134
- Kathleen Cahoon, DOFlagstaff, AZ 860041700867876
- Bradford Croft, D.O.Flagstaff, AZ 860041639241326
- Jane Davis, MDFlagstaff, AZ 860041770711178
- Jane Dill, M.D.Flagstaff, AZ 860041154413763
- Bradley Frank, M.D.Flagstaff, AZ 860041205818051
- Eric Henley, M.D.Flagstaff, AZ 860041134119258
Common questions
What is Tasha Harder, DO's NPI number?
Tasha Harder, DO's National Provider Identifier (NPI) is 1881202976, issued on Jul 15, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Tasha Harder, DO located?
The NPPES record lists a practice address at 2920 N 4TH St, Flagstaff, AZ, 86004. Phone: (928) 522-9400. Providers update this record themselves, so call before visiting.
How can I verify Tasha Harder, DO's license?
NPPES lists Arizona license number 009534, 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 Tasha Harder, DO prescribe under Medicare Part D?
In 2024, Tasha Harder, DO had 1,328 Medicare Part D claims for 196 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.