Dr. Tom Isaac Finkelstein, MD, MPH
- Part D claims, 2024
- 79
- Hospital affiliations
- 2
- Industry payments
- $1,331
- Medical group
- 1
- State license
- 1
- Practice address
- 350 West Thomas Road, Phoenix, AZ 85013
- Practice phone
- Call (602) 406-8225
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Finkelstein'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.
Dr. Tom Isaac Finkelstein is an internist in Phoenix, Arizona
Dr. Finkelstein practices at Dignity Health St. Joseph's Hospital and Medical Center in Phoenix, Arizona, part of CommonSpirit Health.
Dr. Finkelstein's NPI, 1427679844, was assigned on April 27, 2020. Dr. Finkelstein holds Arizona license R78010.
- NPI
- 1427679844NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0042633455
- NPI enumeration date
- April 27, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (602) 406-8225
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Tom Isaac Finkelstein practices at Dignity Health St. Joseph's Hospital and Medical Center in Phoenix, Arizona
Dr. Finkelstein's primary practice is Dignity Health St. Joseph's Hospital and Medical Center, at 350 West Thomas Road, Phoenix, AZ 85013 in Maricopa County. The practice phone is (602) 406-8225.
- Dignity Health St. Joseph's Hospital and Medical Center350 West Thomas Road, Phoenix, AZ 85013 · Maricopa CountyPhone(602) 406-8225
Source: Dmand AI Affiliation Data
Dr. Tom Isaac Finkelstein is affiliated with 3 sites of care and 1 medical group
Dr. Finkelstein's primary practice is Dignity Health St. Joseph's Hospital and Medical Center in Phoenix, Arizona, part of CommonSpirit Health. Dr. Finkelstein is also affiliated with Dignity Health, Yavapai Regional Medical Center West. The medical group on file is St. Joseph's Faculty Physicians. Dmand AI also links Dr. Finkelstein to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Tom Isaac Finkelstein's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Finkelstein practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dignity Health St. Joseph's Hospital and Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Tom Isaac Finkelstein is one of 2,420 internists in Arizona
Internal medicine is Dr. Finkelstein's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Finkelstein is licensed in Arizona.
Specialties and state licenses
- Internal medicine, ArizonaPrimary
Internists near Dr. Finkelstein
Counts of internists 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. Tom Isaac Finkelstein's patients have a median age of 74
Across all payers, Dmand AI patient panel data puts Dr. Finkelstein's median patient age at 74, with 55% women.
Dr. Finkelstein's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women55%
- Men42%
Source: Dmand AI Patient Panel Data
Dr. Tom Isaac Finkelstein wrote 79 Medicare Part D claims in 2024
In 2024, Dr. Finkelstein wrote 79 Medicare Part D claims for 27 patients. 80% of them were for generic drugs. CMS names the drug for 27 of them, across 2 drugs with 11 or more claims each, at $131 in total drug cost. In 2022, CMS named 23 claims across 2 drugs.
Dr. Finkelstein's Part D claims by kind of drug, 2024
- Generic63 claims80%
- Brand-name and other16 claims20%
Dr. Finkelstein's most prescribed drugs by claims, 2023
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. Finkelstein's Part D claims, 2024
- Opioids18%14 of 79 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, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 232023: 2717%
Drugs named by CMS: 2 in 2023, 2 in 2022.
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
Dr. Tom Isaac Finkelstein offers telehealth to Medicare patients
Dr. Finkelstein accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Finkelstein as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Tom Isaac Finkelstein received $1,331 in industry payments from 2023 to 2025
CMS Open Payments shows 15 general payments to Dr. Finkelstein from 9 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. Medtronic, Inc. paid the most, $457.
General payments to Dr. Finkelstein by program year, 2023 to 2025
Companies that paid Dr. Finkelstein the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Tom Isaac Finkelstein's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Tom Isaac Finkelstein
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. Tom Isaac Finkelstein's NPI number?
Dr. Tom Isaac Finkelstein's NPI number is 1427679844. It was assigned on April 27, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. Tom Isaac Finkelstein?
Dr. Tom Isaac Finkelstein is an internist in Phoenix, Arizona. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Tom Isaac Finkelstein practice?
Dr. Finkelstein practices at 350 West Thomas Road, Phoenix, AZ 85013. Dr. Finkelstein's primary practice is Dignity Health St. Joseph's Hospital and Medical Center in Phoenix, Arizona, part of CommonSpirit Health. Dmand AI also links Dr. Finkelstein to 1 group practice or clinic.
What is Dr. Tom Isaac Finkelstein's office phone number?
The practice phone on file for Dr. Finkelstein is (602) 406-8225.
What is Dr. Tom Isaac Finkelstein's medical license number?
Dr. Finkelstein holds Arizona license R78010.
Which hospitals is Dr. Tom Isaac Finkelstein affiliated with?
Dr. Finkelstein practices at Dignity Health St. Joseph's Hospital and Medical Center in Phoenix, Arizona. Dr. Finkelstein is also affiliated with Dignity Health, Yavapai Regional Medical Center West.
What medical group is Dr. Tom Isaac Finkelstein part of?
Dr. Finkelstein is linked to St. Joseph's Faculty Physicians.
Does Dr. Tom Isaac Finkelstein accept Medicare?
Yes. CMS lists Dr. Finkelstein as accepting Medicare assignment.
Does Dr. Tom Isaac Finkelstein offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Finkelstein as offering telehealth services.
What drugs does Dr. Tom Isaac Finkelstein prescribe most?
In 2023 Medicare Part D data, Dr. Finkelstein's most prescribed drugs by claims were Levothyroxine Sodium and Lisinopril.
Has Dr. Tom Isaac Finkelstein received payments from drug or device companies?
CMS Open Payments shows $1,331 in general payments to Dr. Finkelstein from 9 companies from 2023 to 2025. The largest total came from Medtronic, Inc.
How long has Dr. Tom Isaac Finkelstein been practicing?
Dr. Finkelstein graduated from medical school in 2020, 6 years ago.
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