Stephen William Dahn, M.D.
Family Medicine Physician · Prescott, AZ
Stephen William Dahn, M.D. is a family medicine physician with a practice address in Prescott, Arizona, and NPI 1801863550, issued on Mar 1, 2006. Check the license (Arizona 06840, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Stephen William Dahn
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 06840 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 999 Division St, Prescott, AZ 86301
- Phone
- (928) 778-2700
- Enumerated
- Mar 1, 2006
- Record last updated
- Jul 10, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (928) 778-5974
- Medicaid ID
- 203620 AZ
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,119 in Arizona → Look up another NPI →
Also registered at 999 Division St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Stephen William Dahn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 06840Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
59% fewer Medicare Part D claims than the average family medicine physician in 2024
1,448 Medicare Part D claims for 46 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 49 claims were for opioids.
Most prescribed
- Levothyroxine Sodium99 claims
- Atorvastatin Calcium86 claims
- Furosemide61 claims
- Gabapentin59 claims
- Amlodipine Besylate53 claims
- Potassium Chloride52 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.
Stephen William Dahn among 3,119 family medicine physician records in Arizona
Stephen William Dahn, M.D. 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 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2007 · 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).
39 family medicine physician records list a practice address in Prescott
They are 39 of the 1,818 NPPES records with a practice address in Prescott, and 3,119 family medicine physician records in Arizona.
All 3,119 in Arizona → Every provider in Prescott → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Kenneth Archer, MDPrescott, AZ 863011154413789
- William Dabney, M.D.Prescott, AZ 863011609812361
- William De Vito, D.O.Prescott, AZ 863011073559738
- Michael Dean, M.D.Prescott, AZ 863011962481788
- James Eliason, M.D.Prescott, AZ 863011962421438
- Robert Halterman, M.D.Prescott, AZ 863011174528343
- Herman Heikkenen, MDPrescott, AZ 863011437228749
- Roger Jenkins, MDPrescott, AZ 863011275506461
Common questions
What is Stephen William Dahn, M.D.'s NPI number?
Stephen William Dahn, M.D.'s National Provider Identifier (NPI) is 1801863550, issued on Mar 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stephen William Dahn, M.D. located?
The NPPES record lists a practice address at 999 Division St, Prescott, AZ, 86301. Phone: (928) 778-2700. Providers update this record themselves, so call before visiting.
How can I verify Stephen William Dahn, M.D.'s license?
NPPES lists Arizona license number 06840, 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 Stephen William Dahn, M.D. prescribe under Medicare Part D?
In 2024, Stephen William Dahn, M.D. had 1,448 Medicare Part D claims for 46 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.