Gregory G. Smyth, FNP
Family Nurse Practitioner · Phoenix, AZ
Gregory G. Smyth, FNP is a family nurse practitioner with a practice address in Phoenix, Arizona, and NPI 1558324921, issued on Apr 7, 2006. Check the license (Arizona AP8770, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gregory G. Smyth
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- AP8770 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 19636 N 27TH Ave, Phoenix, AZ 85027
- Phone
- (623) 516-8252
- Enumerated
- Apr 7, 2006
- Record last updated
- Jun 29, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (623) 516-8253
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 5,933 in Arizona → Look up another NPI →
Also registered at 19636 N 27TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Alannah Cullum, DPTPhysical Therapist1598332959
- George Gendy, MDOrthopaedic Foot and Ankle Surgery Physician1821275231
Verify Gregory G. Smyth in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this profession
Search for license AP8770Check 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 family nurse practitioner in 2024
12 Medicare Part D claims, against an average of 1,305 among the 140,557 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.
Gregory G. Smyth among 5,933 family nurse practitioner records in Arizona
Gregory G. Smyth, FNP is one of 5,933 family nurse practitioner records with a practice address in Arizona. 77% 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 2% of them.
- NPI issued2006 · 2% of these records are older, 91% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2016 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,242 family nurse practitioner records list a practice address in Phoenix
They are 1,242 of the 31,399 NPPES records with a practice address in Phoenix, and 5,933 family nurse practitioner records in Arizona.
All 5,933 in Arizona → Every provider in Phoenix → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Wendy Batchelor, FNPPhoenix, AZ 850271366790156
- Carol Collins, A.R.N.P.Phoenix, AZ 850271104859875
- Cynthia Cornell, MSN, FNPPhoenix, AZ 850271265511448
- Lisa Dela Cruz, NP-CPhoenix, AZ 850271326471640
- Daniel Deusterman, F.N.P.Phoenix, AZ 850271447437942
- Leslie Johnson, F.N.P.Phoenix, AZ 850271740255181
- Miriam King-Dagen, FNP-BCPhoenix, AZ 850271598986739
- Susan Orsich, RN, FNPPhoenix, AZ 850271467766899
Common questions
What is Gregory G. Smyth, FNP's NPI number?
Gregory G. Smyth, FNP's National Provider Identifier (NPI) is 1558324921, issued on Apr 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory G. Smyth, FNP located?
The NPPES record lists a practice address at 19636 N 27TH Ave, Phoenix, AZ, 85027. Phone: (623) 516-8252. Providers update this record themselves, so call before visiting.
How can I verify Gregory G. Smyth, FNP's license?
NPPES lists Arizona license number AP8770, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.
How much does Gregory G. Smyth, FNP prescribe under Medicare Part D?
In 2024, Gregory G. Smyth, FNP had 12 Medicare Part D claims; the average among family nurse practitioner prescribers was 1,305. 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.