James Marshall Newbern, D.O.
Family Medicine Physician · Phoenix, AZ
James Marshall Newbern, D.O. is a family medicine physician with a practice address in Phoenix, Arizona, and NPI 1942216924, issued on Jul 31, 2006. Check the license (Arizona 006228, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- James Marshall Newbern
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 006228 AZ
5101008957 MI
OP00001919 WA
Self-reported in NPPES; status is on the state search - Practice location
- 3003 N 3RD Street, Phoenix, AZ 85012
- Phone
- (602) 282-9800
- Enumerated
- Jul 31, 2006
- Record last updated
- May 26, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (602) 393-9848
- Medicaid ID
- 626754 AZ
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,119 in Arizona → Look up another NPI →
Also registered at 3003 N 3RD Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Eric Chen, D.O.Family Medicine Physician1730591249
- John Ferguson, DPMPodiatrist1265412738
Verify James Marshall Newbern in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 006228Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average family medicine physician in 2024
119 Medicare Part D claims for 72 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium11 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.
James Marshall Newbern among 3,119 family medicine physician records in Arizona
James Marshall Newbern, D.O. is one of 3,119 family 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 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2021 · 54% 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 Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
649 family medicine physician records list a practice address in Phoenix
They are 649 of the 31,399 NPPES records with a practice address in Phoenix, and 3,119 family medicine physician records in Arizona.
All 3,119 in Arizona → Every provider in Phoenix → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Kathleen Brite, M.D.Phoenix, AZ 850121356548226
- Nicole Carter, MDPhoenix, AZ 850121568575512
- Edward Cipolla, DOPhoenix, AZ 850121144374281
- Jessica Holmes, M.D.Phoenix, AZ 850121093038242
- Luis Lopez, M.D.Phoenix, AZ 850121821148917
- William Martz, M.D.Phoenix, AZ 850121215950027
- Vafa Matin, DOPhoenix, AZ 850121184695371
- Kenneth Merchant, M.D.Phoenix, AZ 850121669621546
Common questions
What is James Marshall Newbern, D.O.'s NPI number?
James Marshall Newbern, D.O.'s National Provider Identifier (NPI) is 1942216924, issued on Jul 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James Marshall Newbern, D.O. located?
The NPPES record lists a practice address at 3003 N 3RD Street, Phoenix, AZ, 85012. Phone: (602) 282-9800. Providers update this record themselves, so call before visiting.
How can I verify James Marshall Newbern, D.O.'s license?
NPPES lists Arizona license number 006228, 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 James Marshall Newbern, D.O. prescribe under Medicare Part D?
In 2024, James Marshall Newbern, D.O. had 119 Medicare Part D claims for 72 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.