John K. Nagel, M.D.
Psychiatry Physician · Flagstaff, AZ
John K. Nagel, M.D. is a psychiatry physician with a practice address in Flagstaff, Arizona, and NPI 1720196884, issued on Aug 29, 2006. Check the license (Arizona 47618, as entered in NPPES) on the Arizona Medical Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John K. Nagel
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 47618 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 2187 N Vickey St, Flagstaff, AZ 86004
- Phone
- (928) 714-5305
- Enumerated
- Aug 29, 2006
- Record last updated
- Mar 7, 2023
- Fax
- (928) 714-6480
- Medicaid ID
- 828772 AZ
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 942 in Arizona → Look up another NPI →
Also registered at 2187 N Vickey St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sarah Altenberg, D.O.Psychiatry Physician1891107025
- Stephanie Babbitt, PHDClinical Psychologist1417509464
- Lorraine Bartlett-Sung, RNPsychiatric/Mental Health Registered Nurse1902819873
- Cody Bayles, PHD, LPCProfessional Counselor1548621923
- Teresa Block, RNPsychiatric/Mental Health Registered Nurse1023021912
- Louis Brousseau, MAClinical Social Worker1194735159
Verify John K. Nagel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 47618Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
John K. Nagel among 942 psychiatry physician records in Arizona
John K. Nagel, M.D. is one of 942 psychiatry physician records with a practice address in Arizona. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 61% newer
- In a Medicare fileNo · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 41% of these records are
- Record last updated2023 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in Arizona
There are 942 psychiatry physician records in Arizona. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 942 in Arizona → Every provider in Flagstaff → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Sarah Altenberg, D.O.Flagstaff, AZ 860041891107025
- Teresa Bertsch, M.D.Flagstaff, AZ 860041639179369
- Elizabeth Caspian, MDFlagstaff, AZ 860041811971187
- Asha EspritFlagstaff, AZ 860041942947437
- Ernesto Figueroa, M.D.Flagstaff, AZ 860041003910613
- Valerie Guernsey, DOFlagstaff, AZ 860041447220207
- Abigail Moore, DOFlagstaff, AZ 860041588654552
- Ernest Stewart, MDFlagstaff, AZ 860041699765669
Common questions
What is John K. Nagel, M.D.'s NPI number?
John K. Nagel, M.D.'s National Provider Identifier (NPI) is 1720196884, issued on Aug 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John K. Nagel, M.D. located?
The NPPES record lists a practice address at 2187 N Vickey St, Flagstaff, AZ, 86004. Phone: (928) 714-5305. Providers update this record themselves, so call before visiting.
How can I verify John K. Nagel, M.D.'s license?
NPPES lists Arizona license number 47618, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.