Teresa Marie Gaither, FNP
Family Nurse Practitioner · Phoenix, AZ
Teresa Marie Gaither, FNP is a family nurse practitioner with a practice address in Phoenix, Arizona, and NPI 1568835890, issued on Nov 9, 2015. Check the license (Arizona AP8166, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Teresa Marie Gaither
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- AP8166 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 16515 S. 40TH St, Bldg 9, Suite 143, Phoenix, AZ 85048
- Phone
- (480) 712-8319
- Enumerated
- Nov 9, 2015
- Record last updated
- Nov 3, 2022
- Fax
- (480) 712-1305
- Medicaid ID
- 080049 AZ
- Medicare enrollment
- Enrolled (PECOS I20230209001339); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 5,933 in Arizona → Look up another NPI →
Also registered at 16515 S. 40TH St, Bldg 9, Suite 143
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mischelle Johnson, PACPhysician Assistant1801975982
Verify Teresa Marie Gaither in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this profession
Search for license AP8166Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average family nurse practitioner in 2024
70 Medicare Part D claims, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims.
Most prescribed
- Escitalopram Oxalate13 claims
- Irbesartan13 claims
- Nuedexta13 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.
Industry payments in 2024: $1,096.19
7 payments; by number, the most common kind was travel and lodging; the largest payer was Solventum Corporation. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Athena Medical GroupNormandy Park, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Teresa Marie Gaither among 5,933 family nurse practitioner records in Arizona
Teresa Marie Gaither, 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 2015, is newer than 31% of them.
- NPI issued2015 · 31% of these records are older, 64% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2015 · median 2019 among the 3,510 with a school on file
- Record last updated2022 · 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
- Kelly Armenta, FNP-CPhoenix, AZ 850481275872848
- Angela Bribiescas, FNP-CPhoenix, AZ 850481134435506
- Holly Campbell, FNP-BCPhoenix, AZ 850481225359946
- Vicky Davis, FNPPhoenix, AZ 850481134171572
- Leigh Gressley, MSN/FNP-BCPhoenix, AZ 850481063665875
- Susan Hawrylkiw, FNPPhoenix, AZ 850481457427445
- Jenny Khan, FNPPhoenix, AZ 850481487824322
- Steli Kostov, FNPPhoenix, AZ 850481083901268
Common questions
What is Teresa Marie Gaither, FNP's NPI number?
Teresa Marie Gaither, FNP's National Provider Identifier (NPI) is 1568835890, issued on Nov 9, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Teresa Marie Gaither, FNP located?
The NPPES record lists a practice address at 16515 S. 40TH St, Bldg 9, Suite 143, Phoenix, AZ, 85048. Phone: (480) 712-8319. Providers update this record themselves, so call before visiting.
How can I verify Teresa Marie Gaither, FNP's license?
NPPES lists Arizona license number AP8166, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.
How much does Teresa Marie Gaither, FNP prescribe under Medicare Part D?
In 2024, Teresa Marie Gaither, FNP had 70 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.