John C. Gray, MD
Neurology with Special Qualifications in Child Neurology Physician · Tucson, AZ
John C. Gray, MD is a neurology with special qualifications in child neurology physician with a practice address in Tucson, Arizona, and NPI 1801865134, issued on Mar 17, 2006. Check the license (Arizona 22310, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- John C. Gray
- Credential
- MD
- Primary taxonomy
- Neurology with Special Qualifications in Child Neurology Physician 2084N0402X
- License number
- 22310 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 2450 E River RD, Tucson, AZ 85718
- Phone
- (520) 320-2661
- Enumerated
- Mar 17, 2006
- Record last updated
- Jun 2, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (520) 326-1120
- Medicaid ID
- 175423 AZ
- Medicare enrollment
- Enrolled (PECOS I20051201000051); may accept Medicare assignment
- Medical or professional school
- University Of Minnesota Medical School, 1987
- Entity
- Type 1 · individual
8 nearest neurology with special qualifications in child neurology physician records → All 58 in Arizona → Look up another NPI →
Also registered at 2450 E River RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gabriel Altamirano, ACNPC-AGAcute Care Nurse Practitioner1013431212
- Ryan Austerman, M.D.Neurological Surgery Physician1841644168
- Anwar Badruddoja, M.D.Neurology Physician1891779872
- Robert Barlow, M.D.General Practice Physician1730476920
- Stephanie Bourn-Macdonald, AUDAudiologist1447636063
- Jonathan BryantNeurology Physician1639639479
Verify John C. Gray in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 22310Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
28% fewer Medicare Part D claims than the average neurology with special qualifications in child neurology physician in 2024
201 Medicare Part D claims for 11 beneficiaries, against an average of 278 among the 900 providers of this specialty who prescribed in Part D.
Most prescribed
- Levetiracetam44 claims
- Divalproex Sodium28 claims
- Zonisamide26 claims
- Oxcarbazepine22 claims
- Clobazam17 claims
- Ethosuximide13 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: $127.84
1 payment: food and beverage; the largest payer was Marinus Pharmaceuticals, Inc. The 1,195 providers of this specialty with any payment received $5,568.05 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
- Children's Clinics For Rehabilitative ServicesTucson, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John C. Gray among 58 neurology with special qualifications in child neurology physician records in Arizona
John C. Gray, MD is one of 58 neurology with special qualifications in child neurology physician records with a practice address in Arizona. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 62% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 33% of these records are
- Graduated1987 · median 2010 among the 19 with a school on file
- Record last updated2008 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0402X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology with Special Qualifications in Child Neurology Physician providers in Arizona
There are 58 neurology with special qualifications in child neurology physician records in Arizona.
All 58 in Arizona → Every provider in Tucson → Neurology with Special Qualifications in Child Neurology Physician nationwide →
The 8 neurology with special qualifications in child neurology physician records with the nearest ZIP codes
- Chi Dai, M.D.Tucson, AZ 857181932514478
- Nadia Fike, MDTucson, AZ 857181053380840
- Young Lee, MDTucson, AZ 857181093945883
- Dinesh Talwar, MDTucson, AZ 857181831168566
- Padmavati Eksambe, M.DTucson, AZ 857191063828788
- Kendall Wyllie, MDTucson, AZ 857191922486984
- Harvey Goodman, MDTucson, AZ 857121679574362
- Phyllis Sher, MDTucson, AZ 857121629166715
Common questions
What is John C. Gray, MD's NPI number?
John C. Gray, MD's National Provider Identifier (NPI) is 1801865134, issued on Mar 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John C. Gray, MD located?
The NPPES record lists a practice address at 2450 E River RD, Tucson, AZ, 85718. Phone: (520) 320-2661. Providers update this record themselves, so call before visiting.
How can I verify John C. Gray, MD's license?
NPPES lists Arizona license number 22310, 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 C. Gray, MD prescribe under Medicare Part D?
In 2024, John C. Gray, MD had 201 Medicare Part D claims for 11 beneficiaries; the average among neurology with special qualifications in child neurology physician prescribers was 278. 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.