NPPES file of Aug 9, 2026

David G. Tomich, D.O.

Internal Medicine Physician · Phoenix, AZ

David G. Tomich, D.O. is an internal medicine physician with a practice address in Phoenix, Arizona, and NPI 1689665804, issued on Nov 4, 2005. Check the license (Arizona 3778, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1689665804
Name
David G. Tomich
Credential
D.O.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
3778 AZ
Self-reported in NPPES; status is on the state search
Practice location
4530 E Muirwood Dr, Phoenix, AZ 85048
Phone
(480) 961-2303
Enumerated
Nov 4, 2005
Record last updated
Jan 18, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(480) 961-0419
Medicaid ID
696172 AZ
Medicare enrollment
Enrolled (PECOS I20050707000074); accepts Medicare assignment
Medical or professional school
Philadelphia College Of Osteopathic Medicine, 1999
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 4530 E Muirwood Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Faraz Alam, MDInternal Medicine Physician1336100478
  2. Basel Alebrahim, M.D.Internal Medicine Physician1205094935
  3. Collins Appiah, MDInternal Medicine Physician1902069768
  4. Vijaya Avija, MDInternal Medicine Physician1659536704
  5. Tanya BegellBehavior Technician1144738246
  6. Tyler BerschelBehavior Technician1285474262

Verify David G. Tomich in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 3778
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Arizona license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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89% fewer Medicare Part D claims than the average internal medicine physician in 2024

342 Medicare Part D claims for 204 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 138 claims were for opioids.

  1. David Tomich342
  2. Specialty average3,176

Most prescribed

  1. Oxycodone Hcl108 claims
  2. Cyclobenzaprine Hcl53 claims
  3. Clopidogrel31 claims
  4. Hydrocodone-Acetaminophen21 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.

Bills Medicare through one group practice

  1. Aia Hospitalists LLCPhoenix, AZ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

David G. Tomich among 2,853 internal medicine physician records in Arizona

David G. Tomich, D.O. is one of 2,853 internal medicine physician records with a practice address in Arizona. 75% 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, 87% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated1999 · median 2003 among the 1,643 with a school on file
  • Record last updated2008 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

695 internal medicine physician records list a practice address in Phoenix

They are 695 of the 31,399 NPPES records with a practice address in Phoenix, and 2,853 internal medicine physician records in Arizona.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Pooja Bhardwaja, M.D.Phoenix, AZ 850481285621128
  2. Nicholas Caputo, D.O.Phoenix, AZ 850481609867829
  3. Connie Chan, MDPhoenix, AZ 850481740252584
  4. Sai Lakshmi Chandran, MDPhoenix, AZ 850481437123593
  5. Rajan Gaur, M.D.Phoenix, AZ 850481720047590
  6. Edouard Mouaikel, M.D.Phoenix, AZ 850481134120892
  7. Michael Pang, M.D.Phoenix, AZ 850481033105200
  8. Norberto Perez, D.O.Phoenix, AZ 850481083600167

Common questions

What is David G. Tomich, D.O.'s NPI number?

David G. Tomich, D.O.'s National Provider Identifier (NPI) is 1689665804, issued on Nov 4, 2005. An NPI identifies a provider in billing; it is not a license.

Where is David G. Tomich, D.O. located?

The NPPES record lists a practice address at 4530 E Muirwood Dr, Phoenix, AZ, 85048. Phone: (480) 961-2303. Providers update this record themselves, so call before visiting.

How can I verify David G. Tomich, D.O.'s license?

NPPES lists Arizona license number 3778, 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 David G. Tomich, D.O. prescribe under Medicare Part D?

In 2024, David G. Tomich, D.O. had 342 Medicare Part D claims for 204 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.