John Hall Farley, M.D.
Gynecologic Oncology Physician · Phoenix, AZ
John Hall Farley, M.D. is a gynecologic oncology physician with a practice address in Phoenix, Arizona, and NPI 1427034578, issued on Dec 21, 2005. Check the license (Arizona 44143, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- John Hall Farley
- Credential
- M.D.
- Primary taxonomy
- Gynecologic Oncology Physician 207VX0201X
- License number
- 44143 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 625 N 6TH St, Phoenix, AZ 85004
- Phone
- (602) 406-8222
- Enumerated
- Dec 21, 2005
- Record last updated
- Jun 8, 2026
- Fax
- (602) 406-0682
- Medicaid ID
- 620575 AZ
- Medicare enrollment
- Enrolled (PECOS I20110907001341); accepts Medicare assignment
- Medical or professional school
- Uniformed Services Uhs Fe Hebert School Of Med, 1990
- Entity
- Type 1 · individual
8 nearest gynecologic oncology physician records → All 32 in Arizona → Look up another NPI →
Also registered at 625 N 6TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shifat Ahmed, MDGastroenterology Physician1568881472
- Jennifer Bartolo, MSN/FNP-CFamily Nurse Practitioner1053034157
- Stuart Bergman, MDUrology Physician1992859805
- Kimberly Brussow, M.S.Genetic Counselor (M.S.)1205276300
- William Cance, MDSurgical Oncology Physician1093721730
- Jill Cassaday, PHARMD, BCPSOncology Pharmacist1578524336
Verify John Hall Farley in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 44143Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
38% more Medicare Part D claims than the average gynecologic oncology physician in 2024
269 Medicare Part D claims for 65 beneficiaries, against an average of 195 among the 1,475 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Letrozole46 claims
- Ondansetron Odt25 claims
- Dexamethasone18 claims
- Gabapentin16 claims
- Lynparza16 claims
- Potassium Chloride14 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: $11,626.01
10 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 1,199 providers of this specialty with any payment received $6,387.20 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
- Sjhmc Physician ServicesPhoenix, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Hall Farley among 32 gynecologic oncology physician records in Arizona
John Hall Farley, M.D. is one of 32 gynecologic oncology physician records with a practice address in Arizona. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 84% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 78% of these records are
- Graduated1990 · median 1998 among the 25 with a school on file
- Record last updated2026 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VX0201X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gynecologic Oncology Physician providers in Arizona
There are 32 gynecologic oncology physician records in Arizona.
All 32 in Arizona → Every provider in Phoenix → Gynecologic Oncology Physician nationwide →
The 8 gynecologic oncology physician records with the nearest ZIP codes
- Matthew Borst, M.D.Phoenix, AZ 850161770575474
- Heather Dalton, MDPhoenix, AZ 850161033373139
- Donna Smith, MDPhoenix, AZ 850161285600635
- Lyndsay Willmott, MDPhoenix, AZ 850161043229529
- Shana Wingo, MDPhoenix, AZ 850271972613727
- Vanna Zanagnolo, M.D.Phoenix, AZ 850541912167313
- Patrick Blackburn, MDMesa, AZ 852061972999266
- David Hetzel, M.D.Chandler, AZ 852241568421717
Common questions
What is John Hall Farley, M.D.'s NPI number?
John Hall Farley, M.D.'s National Provider Identifier (NPI) is 1427034578, issued on Dec 21, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John Hall Farley, M.D. located?
The NPPES record lists a practice address at 625 N 6TH St, Phoenix, AZ, 85004. Phone: (602) 406-8222. Providers update this record themselves, so call before visiting.
How can I verify John Hall Farley, M.D.'s license?
NPPES lists Arizona license number 44143, 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 John Hall Farley, M.D. prescribe under Medicare Part D?
In 2024, John Hall Farley, M.D. had 269 Medicare Part D claims for 65 beneficiaries; the average among gynecologic oncology physician prescribers was 195. 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.