Dr. John Hall Farley, MD

  • Phoenix, AZ
  • Gynecologic oncologist
NPI1427034578PAC ID1557542701
Medicare services, 2024
233
Medicare patients, 2024
121
Part D claims, 2024
269
Publications
29
Hospital affiliations
2
Practice address
625 N 6th Street, Phoenix, AZ 85004
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Dignity Health Cancer Institute at St Joseph - HOPD

Acute Care Hospital outpatient department · Phoenix, Arizona

See all 7 affiliations

Find Dr. Farley's professional email, personal email and mobile number

Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.

View contacts for free

Dr. John Hall Farley is a gynecologic oncologist in Phoenix, Arizona

Dr. Farley practices at Dignity Health Cancer Institute at St Joseph - HOPD in Phoenix, Arizona.

Dr. Farley's NPI, 1427034578, was assigned on December 21, 2005. Dr. Farley graduated from Uniformed Services UHS Fe Hebert School of Med in 1990. Dr. Farley holds Arizona license 44143.

NPI and contact details
Medicare PAC ID
1557542701
NPI enumeration date
December 21, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
62
Medical school graduation
1990

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. John Hall Farley practices at Dignity Health Cancer Institute at St Joseph - HOPD in Phoenix, Arizona

Dr. Farley's primary practice is Dignity Health Cancer Institute at St Joseph - HOPD, at 625 N 6th Street, Phoenix, AZ 85004.

  • Dignity Health Cancer Institute at St Joseph - HOPD
    625 N 6th Street, Phoenix, AZ 85004

Source: Dmand AI Affiliation Data

Dr. John Hall Farley is affiliated with 5 sites of care and 2 medical groups

Dr. Farley's primary practice is Dignity Health Cancer Institute at St Joseph - HOPD in Phoenix, Arizona. Dr. Farley is also affiliated with Dignity Health St. Joseph's Hospital and Medical Center. The medical group on file is St. Joseph's Faculty Physicians. Dmand AI also links Dr. Farley to 1 more hospital, 2 group practices and clinics and 1 medical group, each named with a free account. Dr. Farley's employer is on file too: a hospital.

See all 7 affiliations for Dr. Farley

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. John Hall Farley's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Farley practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Dignity Health Cancer Institute at St Joseph - HOPDAvailable with a free account
+4 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Dr. Farley practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.

Dr. John Hall Farley is one of 28 gynecologic oncologists in Arizona

Gynecologic oncology is Dr. Farley's primary specialty in the NPI Registry, under taxonomy code 207VX0201X. Dr. Farley is licensed in Arizona.

Specialties and state licenses

  • Gynecologic oncology, ArizonaPrimaryLicense 44143 · taxonomy 207VX0201X

Gynecologic oncologists near Dr. Farley

Counts of gynecologic oncologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. John Hall Farley billed Medicare for 233 services in 2024

CMS data shows 233 Medicare services from Dr. Farley across 4 procedure codes in 2024, all of them office visits, for 121 Medicare patients. Medicare paid $16,634 for them.

Medicare services, 2024233
Medicare patients121
Paid by Medicare$16,634
Procedure codes4

Dr. Farley's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 2282024: 2332%

Where Dr. Farley's Medicare services took place, 2024

  • In an office9742%
  • In a facility13658%

Dr. Farley compared with the Arizona median for gynecologic oncologists, 2024

  • Dr. Farley
  • Arizona median
Medicare services
233vs 44247% below
Medicare patients
121vs 17430% below
Part D claims
175vs 19611% below

Medians across 25 gynecologic oncologists in Arizona with Dmand AI profiles that report each measure.

Dr. Farley's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Farley

Need commercial claims for Dr. Farley?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Farley and other gynecologic oncologists in Arizona.

Book a meeting

Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. John Hall Farley treated 121 Medicare patients in 2024, average age 72

CMS counts 121 Medicare patients who saw Dr. Farley in 2024. The largest group is 65 to 74, with 74 patients. 75% of them have high blood pressure, and 74% have high cholesterol. 10% are also on Medicaid. Their average risk score is 1.98, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Farley's median patient age at 65, with 98% women.

Medicare patients, 2024121
Average age72
Average risk score1.98
Also on Medicaid10%

Dr. Farley's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Chronic conditions among Dr. Farley's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol74%
  3. Cancer50%
  4. Arthritis45%
  5. Mood disorders31%
  6. Chronic kidney disease30%
  7. Anxiety29%
  8. Diabetes27%

Share of Medicare patients with each condition. A patient can have several.

Dr. Farley's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 65

Patient panel by sex, all payers

  • Women98%
  • Men2%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. John Hall Farley wrote 269 Medicare Part D claims in 2024

In 2024, Dr. Farley wrote 269 Medicare Part D claims for 65 patients. 83% of them were for generic drugs. CMS names the drug for 175 of them, across 9 drugs with 11 or more claims each, at $537,533 in total drug cost. In 2023, CMS named 35 claims across 1 drug.

Part D claims, 2024269
Drugs named by CMS9
Total drug cost$537,533
Part D patients65

Dr. Farley's Part D claims by kind of drug, 2024

  • Generic224 claims83%
  • Brand-name45 claims17%

Dr. Farley's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Farley's Part D claims, 2024

  • Antibiotics5%13 of 269 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 352024: 175400%

Drugs named by CMS: 9 in 2024, 1 in 2023.

See all prescribing by Dr. Farley

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Dr. John Hall Farley takes part in Medicare

Dr. Farley accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Removal of the uterus: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

For MedTech and pharma teams

Find gynecologic oncologists like Dr. Farley by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Dr. John Hall Farley has 29 publications on record

Dmand AI links 29 papers to Dr. Farley, published from 2018 to 2025. 2020 was the busiest year, with 6. The most frequent topics are Genital Neoplasms, Female, United States Food and Drug Administration and Gynecology. Dr. Farley has published most often in Gynecol Oncol. Dr. Farley's most frequent co-authors are Stephen Patrick Bergin, MD, John Kok-Sen Chan, MD and David M. Gershenson, MD.

Papers29
Years published2018 to 2025

Dr. Farley's papers by year, 2018 to 2025

Topics Dr. Farley writes about most

  • Genital Neoplasms, Female
  • United States Food and Drug Administration
  • Gynecology
  • Randomized Controlled Trials as Topic
  • White People
  • Administration, Oral
  • American Indian or Alaska Native
  • Antifungal Agents

Dr. Farley's most frequent co-authors

Recent publications by Dr. Farley

See all 29 publications and co-authors

See who Dr. Farley researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Farley works with, so you can find a warm path to the right gynecologic oncologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. John Hall Farley received $45,037 in industry payments from 2016 to 2025

CMS Open Payments shows 75 general payments to Dr. Farley from 12 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 86% of the total. GlaxoSmithKline, LLC. paid the most, $26,314. It also lists 6 research payments totaling $4,150 from 2022 to 2023.

General payments to Dr. Farley by program year, 2016 to 2025

General payments to Dr. Farley by kind, 2016 to 2025

$45Kin total
  • Consulting fees$38,79686%
  • Travel and lodging$2,4035%
  • Speaker and faculty fees$1,9404%
  • Food and beverage$1,8994%

Companies that paid Dr. Farley the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Farley

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. John Hall Farley graduated from Uniformed Services UHS Fe Hebert School of Med

Dr. Farley graduated from Uniformed Services UHS Fe Hebert School of Med in 1990.

  1. Medical schoolUniformed Services UHS Fe Hebert School of Med

Source: Dmand AI Professional Profile Data

Sources for Dr. John Hall Farley's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. John Hall Farley

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. John Hall Farley's NPI number?

Dr. John Hall Farley's NPI number is 1427034578. It was assigned on December 21, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. John Hall Farley?

Dr. John Hall Farley is a gynecologic oncologist in Phoenix, Arizona. The primary specialty in the NPI Registry is Gynecologic Oncology Physician (taxonomy code 207VX0201X).

Where does Dr. John Hall Farley practice?

Dr. Farley practices at 625 N 6th Street, Phoenix, AZ 85004. Dr. Farley's primary practice is Dignity Health Cancer Institute at St Joseph - HOPD in Phoenix, Arizona. Dmand AI also links Dr. Farley to 1 hospital, 2 group practices and clinics and 1 medical group.

What is Dr. John Hall Farley's medical license number?

Dr. Farley holds Arizona license 44143.

Which hospitals is Dr. John Hall Farley affiliated with?

Dr. Farley is affiliated with Dignity Health St. Joseph's Hospital and Medical Center. Dmand AI links Dr. Farley to 1 more hospital.

What medical group is Dr. John Hall Farley part of?

Dr. Farley is linked to St. Joseph's Faculty Physicians. Dmand AI links Dr. Farley to 1 more medical group.

Does Dr. John Hall Farley accept Medicare?

Yes. CMS data shows Dr. Farley billed Medicare for 233 services in 2024, and Dr. Farley accepts Medicare assignment.

How many Medicare patients does Dr. John Hall Farley see?

CMS counts 121 Medicare patients who saw Dr. Farley in 2024, with an average age of 72.

What services does Dr. John Hall Farley bill to Medicare?

In 2024, Dr. Farley's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and office visit, established patient (99215).

Where did Dr. John Hall Farley go to medical school?

Dr. Farley graduated from Uniformed Services UHS Fe Hebert School of Med in 1990.

Show 5 more questionsShow fewer questions

What drugs does Dr. John Hall Farley prescribe most?

In 2024 Medicare Part D data, Dr. Farley's most prescribed drugs by claims were Letrozole, Ondansetron ODT and Dexamethasone.

Has Dr. John Hall Farley received payments from drug or device companies?

CMS Open Payments shows $45,037 in general payments to Dr. Farley from 12 companies from 2016 to 2025. The largest total came from GlaxoSmithKline, LLC.

How long has Dr. John Hall Farley been practicing?

Dr. Farley graduated from medical school in 1990, 36 years ago.

Does Dr. John Hall Farley do research?

Dmand AI links 29 publications to Dr. Farley, published from 2018 to 2025.

Who does Dr. John Hall Farley publish with?

Dr. Farley's most frequent co-authors are Stephen Patrick Bergin, MD (3 shared papers), John Kok-Sen Chan, MD (3 shared papers) and David M. Gershenson, MD (3 shared papers).

Selling to gynecologic oncology practices?

See gynecologic oncologists in Arizona by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)