Matthew N. Gray, MD
Family Medicine Physician · Cedar Rapids, IA
Matthew N. Gray, MD is a family medicine physician with a practice address in Cedar Rapids, Iowa, and NPI 1053398982, issued on Dec 30, 2005. Check the license (Iowa 33747, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Matthew N. Gray
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 33747 IA
Self-reported in NPPES; status is on the state search - Practice location
- 1030 5TH Ave SE, Cedar Rapids, IA 52403
- Phone
- (319) 363-8121
- Enumerated
- Dec 30, 2005
- Record last updated
- May 22, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (319) 365-1396
- Medicaid IDs
- 1053398982 IA
3203034 IA
6203034 IA
2203034 IA - Medicare enrollment
- Enrolled (PECOS I20100429000888); accepts Medicare assignment
- Medical or professional school
- University Of Iowa, Rj & L Carver College Of Medicine, 1999
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,336 in Iowa → Look up another NPI →
Also registered at 1030 5TH Ave SE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maya Abdul HafizMental Health Counselor1740649904
- Robert Barry, M.D.Dermatology Physician1629051297
- La'Neice Blessing, LMSWClinical Social Worker1598465452
- Peter BreitbachMental Health Counselor1699698357
- Ashley BrinkmeyerClinical Social Worker1528914793
- Kristin Cannon, LMSWSchool Social Worker1851879860
Verify Matthew N. Gray in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license 33747Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.0 times the Medicare Part D claims of the average family medicine physician in 2024
10,697 Medicare Part D claims for 746 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 193 claims were for opioids.
Most prescribed
- Atorvastatin Calcium1,177 claims
- Levothyroxine Sodium509 claims
- Amlodipine Besylate505 claims
- Lisinopril491 claims
- Pantoprazole Sodium411 claims
- Hydrochlorothiazide292 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 2 group practices
- Iowa Physicians Clinic Medical FoundationCedar Rapids, IA
- Progressive Rehabilitation Associates LLCIowa City, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Matthew N. Gray among 2,336 family medicine physician records in Iowa
Matthew N. Gray, MD is one of 2,336 family medicine physician records with a practice address in Iowa. 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, 84% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1999 · median 2006 among the 1,367 with a school on file
- Record last updated2012 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
97 family medicine physician records list a practice address in Cedar Rapids
They are 97 of the 2,949 NPPES records with a practice address in Cedar Rapids, and 2,336 family medicine physician records in Iowa.
All 2,336 in Iowa → Every provider in Cedar Rapids → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Wayne Alberts, MDCedar Rapids, IA 524031760450100
- Jason Booth, MDCedar Rapids, IA 524031861460495
- Maria Doce, MDCedar Rapids, IA 524031457338972
- Roxanne Dunn, DOCedar Rapids, IA 524031407824725
- Jolynn Glanzer, M.D.Cedar Rapids, IA 524031063490654
- Donald Hilliard, MDCedar Rapids, IA 524031366428526
- Mark Hogenson, MDCedar Rapids, IA 524031740258235
- Brian Lindo, MDCedar Rapids, IA 524031871571273
Common questions
What is Matthew N. Gray, MD's NPI number?
Matthew N. Gray, MD's National Provider Identifier (NPI) is 1053398982, issued on Dec 30, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Matthew N. Gray, MD located?
The NPPES record lists a practice address at 1030 5TH Ave SE, Cedar Rapids, IA, 52403. Phone: (319) 363-8121. Providers update this record themselves, so call before visiting.
How can I verify Matthew N. Gray, MD's license?
NPPES lists Iowa license number 33747, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Matthew N. Gray, MD prescribe under Medicare Part D?
In 2024, Matthew N. Gray, MD had 10,697 Medicare Part D claims for 746 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.