Dr. Thomas Gene Gross, MD

  • Phoenix, AZ
  • Pediatric hematology and oncology physician
NPI1285636258
Industry payments
$20,673
Medical group
1
State licenses
3
Year NPI issued
2005
Practice address
1919 East Thomas Road, Phoenix, AZ 85016
Practice phone
Call (602) 933-1000
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Phoenix Children's Hospital

Hospital · Phoenix, Arizona

Find Dr. Gross' 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. Thomas Gene Gross is a pediatric hematology and oncology physician in Phoenix, Arizona

Dr. Gross practices at Phoenix Children's Hospital in Phoenix, Arizona, part of Phoenix Children's Hospital.

Dr. Gross' NPI, 1285636258, was assigned on August 10, 2005. Dr. Gross graduated from University of Nebraska College of Medicine in 1988. Dr. Gross holds Arizona license 71019.

NPI and contact details
NPI enumeration date
August 10, 2005
NPI status
Active
Practice phone
(602) 933-1000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
64
Medical school graduation
1988

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

Dr. Thomas Gene Gross practices at Phoenix Children's Hospital in Phoenix, Arizona

Dr. Gross' primary practice is Phoenix Children's Hospital, at 1919 East Thomas Road, Phoenix, AZ 85016 in Maricopa County. The practice phone is (602) 933-1000.

Source: Dmand AI Affiliation Data

Dr. Thomas Gene Gross is affiliated with 1 medical group

Dr. Gross' primary practice is Phoenix Children's Hospital in Phoenix, Arizona, part of Phoenix Children's Hospital. The medical group on file is Phoenix Children's Medical Group.

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Thomas Gene Gross' practice

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

EHR by site
SiteEHR vendor and product
Phoenix Children's HospitalAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Dr. Gross practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across Phoenix Children's Hospital and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Thomas Gene Gross is one of 56 pediatric hematologys and oncology physicians in Arizona

Pediatric hematology-oncology is Dr. Gross' primary specialty in the NPI Registry, under taxonomy code 2080P0207X. Dmand AI has Dr. Gross' licenses on file in 3 states: Arizona, Colorado and Ohio.

Specialties and state licenses

  • Pediatric hematology and oncology, ArizonaPrimaryLicense 71019 · taxonomy 2080P0207X
  • Colorado licenseLicense DR.0064358
  • Ohio licenseLicense 35075261

Pediatric hematologys and oncology physicians near Dr. Gross

Counts of pediatric hematologys and oncology physicians 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. Thomas Gene Gross' patients have a median age of 13

Across all payers, Dmand AI patient panel data puts Dr. Gross' median patient age at 13, with 45% women.

Dr. Gross' patients across all payers

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

Patient panel by age, all payers

Median age 13

Patient panel by sex, all payers

  • Women45%
  • Men55%

Source: Dmand AI Patient Panel Data

Dr. Thomas Gene Gross received $20,673 in industry payments from 2020 to 2024

CMS Open Payments shows 8 general payments to Dr. Gross from 3 drug and device companies from 2020 to 2024. Travel and lodging make up the largest share, 53% of the total. Genentech, Inc. paid the most, $19,472.

General payments to Dr. Gross by program year, 2020 to 2024

General payments to Dr. Gross by kind, 2020 to 2024

$20.7Kin total
  • Travel and lodging$11,01953%
  • Consulting fees$8,36040%
  • Honoraria$1,1105%
  • Food and beverage$1841%

Companies that paid Dr. Gross the most, 2020 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Gross

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

Dr. Thomas Gene Gross graduated from University of Nebraska College of Medicine

Dr. Gross graduated from University of Nebraska College of Medicine in 1988.

  1. Medical schoolUniversity of Nebraska College of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Thomas Gene Gross'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 DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
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. Thomas Gene Gross

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. Thomas Gene Gross' NPI number?

Dr. Thomas Gene Gross' NPI number is 1285636258. It was assigned on August 10, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Thomas Gene Gross?

Dr. Thomas Gene Gross is a pediatric hematology and oncology physician in Phoenix, Arizona. The primary specialty in the NPI Registry is Pediatric Hematology & Oncology Physician (taxonomy code 2080P0207X).

Where does Dr. Thomas Gene Gross practice?

Dr. Gross practices at 1919 East Thomas Road, Phoenix, AZ 85016. Dr. Gross' primary practice is Phoenix Children's Hospital in Phoenix, Arizona, part of Phoenix Children's Hospital.

What is Dr. Thomas Gene Gross' office phone number?

The practice phone on file for Dr. Gross is (602) 933-1000.

What is Dr. Thomas Gene Gross' medical license number?

Dr. Gross holds Arizona license 71019, one of the licenses on file in 3 states.

Which states has Dr. Thomas Gene Gross been licensed in?

Dmand AI has state licenses on file for Dr. Gross in Arizona, Colorado and Ohio.

Which hospitals is Dr. Thomas Gene Gross affiliated with?

Dr. Gross practices at Phoenix Children's Hospital in Phoenix, Arizona.

What medical group is Dr. Thomas Gene Gross part of?

Dr. Gross is linked to Phoenix Children's Medical Group.

Where did Dr. Thomas Gene Gross go to medical school?

Dr. Gross graduated from University of Nebraska College of Medicine in 1988.

Has Dr. Thomas Gene Gross received payments from drug or device companies?

CMS Open Payments shows $20,673 in general payments to Dr. Gross from 3 companies from 2020 to 2024. The largest total came from Genentech, Inc.

How long has Dr. Thomas Gene Gross been practicing?

Dr. Gross graduated from medical school in 1988, 38 years ago.

Selling to pediatric hematology-oncology practices?

See pediatric hematologys and oncology physicians 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)