JACOB STEPHEN FELDMAN M.D.
NPI 1104137710
Otolaryngology in Flagstaff, AZ

Active since June 29, 2010PECOS EnrolledAccepts Medicare Assignment
1200 N BEAVER ST, FLAGSTAFF, AZ 86001(928) 779-3366 Get Directions Write a Review

NPPES record last updated: December 4, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Dec 4, 2025, Sep 25, 2024, Sep 5, 2023 and 6 more (9 updates tracked since 2017).

About Jacob Stephen Feldman M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JACOB STEPHEN FELDMAN M.D. (NPI 1104137710) is an individual otolaryngology provider in Flagstaff, Arizona, licensed in Arizona (64925) and active in the NPI registry since June 2010. He is enrolled in Medicare PECOS, is affiliated with Marshfield Medical Center, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1104137710
Entity TypeIndividualMale
Primary Taxonomy207Y00000X
Provider Legal NameJACOB STEPHEN FELDMANCredential: M.D.
Location Address1200 N BEAVER STFlagstaff, AZ 86001-3118
Mailing Address1200 N Beaver StFlagstaff, AZ 86001-3118 · (928) 779-3366
Sole ProprietorNo
Medical School CMSUniversity Of Arizona College Of MedicineGraduated 2010
Enumeration DateJune 29, 2010
Last NPPES UpdateDecember 4, 20259 updates tracked since enumeration
NPPES CertifiedDecember 4, 2025
NPI 1104137710 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyOtolaryngologyAllopathic & Osteopathic Physicians
Taxonomy Code207Y00000X
Licenses Licensed in AZ · 64925 Licensed in WI · 57661-20
Definition
An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise.
1200 N BEAVER ST, Flagstaff, AZ 86001

Secondary Practice Locations 3

Location 11000 N OAK AVEMarshfield, WI 54449-5703 · Phone (715) 387-5511
Location 21836 South AveLA Crosse, WI 54601-5429 · Phone (608) 782-7300
Location 35100 W Taft Rd Ste 3ELiverpool, NY 13088-3809 · Phone (315) 452-2350 · Fax (315) 452-2355

Other Identifiers 1

Medicaid137469AZ

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Jacob Stephen Feldman M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5799918876
PECOS Enrollment IDI20161202002020, I20240105003087
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
12 services12 patients
Diagnostic exam of voice box using a flexible endoscope 31575
This procedure involves a doctor examining your voice box using a flexible endoscope, a thin tube with a light and camera. It's inserted through your nose or mouth to visualize your throat area. It helps detect any abnormalities in your voice box, ensuring optimal vocal health.
11 services11 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
11 services11 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Marshfield Medical Center

Acute Care Hospitals · Marshfield, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number520037
Location611 St Joseph AveMarshfield, WI 54449 · Wood County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 86001 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$127.71 typical visit price
range $55.44 – $168.60
Typical copayment $31.92 (range $13.86 – $42.15)
Most-billed visit code 99204
Established Patient
$69.24 typical visit price
range $17.72 – $137.41
Typical copayment $17.31 (range $4.43 – $34.35)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Anesthesiology
1200 N BEAVER ST
FLAGSTAFF, AZ 86001
Pediatrics (Neonatal-Perinatal Medicine)
1200 N BEAVER ST
FLAGSTAFF, AZ 86001
Nurse Anesthetist, Certified Registered
1200 N BEAVER ST
FLAGSTAFF, AZ 86001
Dietitian, Registered
1200 N BEAVER ST
FLAGSTAFF, AZ 86001
Emergency Medicine
1200 N BEAVER ST
FLAGSTAFF, AZ 86001
Audiologist
1200 N BEAVER ST, AUDIOLOGY DEPARTMENT
FLAGSTAFF, AZ 86001
Neurological Surgery
1200 N BEAVER ST
FLAGSTAFF, AZ 86001
Nurse Anesthetist, Certified Registered
1200 N BEAVER ST
FLAGSTAFF, AZ 86001

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Jacob Feldman's NPI number?

The NPI number for Jacob Feldman is 1104137710. It was assigned to this individual provider in the NPPES registry on June 29, 2010.

Where is Jacob Feldman located?

Jacob Feldman practices at 1200 N Beaver St, Flagstaff, AZ 86001. The listed phone number is (928) 779-3366.

What is Jacob Feldman's specialty?

The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.

Is Jacob Feldman enrolled in Medicare?

Yes. Jacob Feldman is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Jacob Feldman accept?

Health plans from Ambetter from Arizona Complete Health, Anthem Blue Cross and Blue Shield, Blue Cross Blue Shield of Arizona, HealthPartners and Medica and 1 other insurer list Jacob Feldman as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Jacob Feldman affiliated with any hospitals?

According to CMS data, Jacob Feldman is affiliated with Marshfield Medical Center.

When was this NPI record last updated?

The NPPES record for Jacob Feldman was last updated on December 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.