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DR. JAMES A STEWART DO
NPI 1548649163
Internal Medicine in Orlando, FL

Active since May 28, 2015PECOS EnrolledAccepts Medicare Assignment
86 W UNDERWOOD ST, ORLANDO, FL 32806(888) 912-3648(321) 841-4085 Get Directions Write a Review

NPPES record last updated: January 9, 2020. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Dr. James A Stewart Do NPPES

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

DR. JAMES A STEWART DO (NPI 1548649163) is an individual internal medicine provider in Orlando, Florida, licensed in Florida (OS15227) and active in the NPI registry since May 2015. He is enrolled in Medicare PECOS, is affiliated with Orlando Health, and is a graduate of Lake Erie College Of Osteopathic Medicine, Erie (2015).

NPPES Registry Identity

NPI1548649163
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. JAMES A STEWARTCredential: DO
Location Address86 W UNDERWOOD STOrlando, FL 32806-1110
Mailing Address86 W Underwood StOrlando, FL 32806-1110 · (888) 912-3648 · Fax (321) 841-4085
Phone(888) 912-3648
Fax(321) 841-4085
Sole ProprietorNo
Medical School CMSLake Erie College Of Osteopathic Medicine, ErieGraduated 2015
Enumeration DateMay 28, 2015
Last NPPES UpdateJanuary 9, 2020
✔ NPI 1548649163 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in FL · OS15227✔ Licensed in MI · 5101021576
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
86 W UNDERWOOD ST, Orlando, FL 32806
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. James A Stewart Do 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 ID3577819242
PECOS Enrollment IDI20180711000333
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.

Medicare Billing Reassignment

Medicare enrollment records show James Stewart reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Orlando Health Medical Group Inc
0.1 mi
Internal Medicine
52 W UNDERWOOD ST
Orlando, FL 32806
  • Reassigned Medicare billing, Florida enrollment
  • 3,290 clinicians in this Medicare group
NPI 1669429577 (321) 841-2452

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
260 services112 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
88 services56 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
60 services60 patients

Hospital Affiliations CMS Care Compare

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

Orlando Health

Acute Care Hospitals · Orlando, FL
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100006
Location52 W Underwood StOrlando, FL 32806 · Orange County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 32806 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
$130.04 typical visit price
range $56.00 – $171.84
Typical copayment $32.51 (range $14.00 – $42.96)
Most-billed visit code 99204
Established Patient
$99.16 typical visit price
range $17.57 – $139.16
Typical copayment $24.79 (range $4.39 – $34.79)
Most-billed visit code 99214
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.

MR. HENG CHAI LAI ARNP
Nurse Practitioner (Adult Health)
86 W UNDERWOOD ST
ORLANDO, FL 32806
Orange County (321) 843-5270
STEVEN D. BEESLEY M.D.
Radiology (Diagnostic Radiology)
86 W UNDERWOOD ST, SUITE 201, 2ND FLOOR
ORLANDO, FL 32806
Orange County (321) 841-5142
DR. GLORIA MAVEL VELASQUEZ CASTANO M.D.
Internal Medicine
86 W UNDERWOOD ST
ORLANDO, FL 32806
Orange County (888) 912-3648
BENJAMIN Y. DAUD AGUERO M.D.
Internal Medicine
86 W UNDERWOOD ST, MP 80
ORLANDO, FL 32806
Orange County (888) 912-3648
DR. VISHNU PRIYA REDDY NANGA M.D.
Internal Medicine
86 W UNDERWOOD ST
ORLANDO, FL 32806
Orange County (888) 912-3648
DR. STEVE WAHEL HILWA MD
Emergency Medicine
86 W UNDERWOOD ST, SUITE 200
ORLANDO, FL 32806
Orange County (407) 237-6329
PIERRE FOTSO M.D.
Internal Medicine
86 W UNDERWOOD ST, MP 80
ORLANDO, FL 32806
Orange County (888) 912-3648
KEVIN MICHAEL BUTENSCHOEN NP-C
Nurse Practitioner
86 W UNDERWOOD ST
ORLANDO, FL 32806
Orange County (321) 843-5270

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 James Stewart's NPI number?

The NPI number for James Stewart is 1548649163. It was assigned to this individual provider in the NPPES registry on May 28, 2015.

Where is James Stewart located?

James Stewart practices at 86 W Underwood St, Orlando, FL 32806. The listed phone number is (888) 912-3648.

What is James Stewart's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is James Stewart enrolled in Medicare?

Yes. James Stewart 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.

Which organization bills Medicare for James Stewart's services?

According to the CMS Revalidation Reassignment List (October 2026 release), James Stewart reassigns Medicare benefits to Orlando Health Medical Group Inc (Orlando, FL). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for James Stewart's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is James Stewart affiliated with any hospitals?

According to CMS data, James Stewart is affiliated with Orlando Health.

When was this NPI record last updated?

The NPPES record for James Stewart was last updated on January 9, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.