Jacob Stephen Feldman, M.D.
Otolaryngology Physician · Flagstaff, AZ
Jacob Stephen Feldman, M.D. is an otolaryngology physician with a practice address in Flagstaff, Arizona, and NPI 1104137710, issued on Jun 29, 2010. Check the license (Arizona 64925, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Jacob Stephen Feldman
- Credential
- M.D.
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License numbers
- 64925 AZ
57661-20 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1200 N Beaver St, Flagstaff, AZ 86001
- Phone
- (928) 779-3366
- Enumerated
- Jun 29, 2010
- Record last updated
- Dec 4, 2025
- Medicaid ID
- 137469 AZ
- Medicare enrollment
- Enrolled (PECOS I20161202002020); accepts Medicare assignment
- Medical or professional school
- University Of Arizona College Of Medicine, 2010
- Entity
- Type 1 · individual
8 nearest otolaryngology physician records → All 178 in Arizona → Look up another NPI →
Also registered at 1200 N Beaver St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Melissa Acquaviva, CRNACertified Registered Nurse Anesthetist1639238348
- Michelle Aerni, D.O.Critical Care Medicine (Anesthesiology) Physician1225014822
- Amit Agrawal, M.D.Neonatal-Perinatal Medicine Physician1306032701
- Muhammad Ali, MDCritical Care Medicine (Internal Medicine) Physician1801264353
- Kim AllenSpeech-Language Pathologist1356580484
- Bianca Anderson, MS, RDRegistered Dietitian1548609431
Verify Jacob Stephen Feldman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 64925Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average otolaryngology physician in 2024
11 Medicare Part D claims, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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
- Mchs Hospitals IncMarshfield, WI
- Northern Arizona Healthcare CorporationFlagstaff, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jacob Stephen Feldman among 178 otolaryngology physician records in Arizona
Jacob Stephen Feldman, M.D. is one of 178 otolaryngology physician records with a practice address in Arizona. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 69% of them.
- NPI issued2010 · 69% of these records are older, 26% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2010 · median 2000 among the 114 with a school on file
- Record last updated2025 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Otolaryngology Physician providers in Arizona
There are 178 otolaryngology physician records in Arizona.
All 178 in Arizona → Every provider in Flagstaff → Otolaryngology Physician nationwide →
The 8 otolaryngology physician records with the nearest ZIP codes
- Daniel Downs, MDFlagstaff, AZ 860011831182831
- Alexander Lund, D.O.Flagstaff, AZ 860011376819417
- Paul Moller, DOTuba City, AZ 860451619910387
- Terry Werner, M.D.Tuba City, AZ 860451578545208
- Kent Cox, M.D.Lakeside, AZ 859291548252109
- Jeffrey Lesueur, M.D.Lakeside, AZ 859291336366335
- Aaron Done, MDShow Low, AZ 859011467080242
- Jennifer Tartaglia, M.D.Oro Valley, AZ 857551891014726
Common questions
What is Jacob Stephen Feldman, M.D.'s NPI number?
Jacob Stephen Feldman, M.D.'s National Provider Identifier (NPI) is 1104137710, issued on Jun 29, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Jacob Stephen Feldman, M.D. located?
The NPPES record lists a practice address at 1200 N Beaver St, Flagstaff, AZ, 86001. Phone: (928) 779-3366. Providers update this record themselves, so call before visiting.
How can I verify Jacob Stephen Feldman, M.D.'s license?
NPPES lists Arizona license number 64925, 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 Jacob Stephen Feldman, M.D. prescribe under Medicare Part D?
In 2024, Jacob Stephen Feldman, M.D. had 11 Medicare Part D claims; the average among otolaryngology physician prescribers was 541. 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.