1. Home
  2. Directory
  3. California
  4. San Diego
  5. Internal Medicine
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. ANNE K. STEWART M.D.
NPI 1578556197
Internal Medicine in San Diego, CA

Active since August 30, 2005PECOS EnrolledAccepts Medicare Assignment
501 WASHINGTON ST, SUITE 705, SAN DIEGO, CA 92103(619) 298-0256 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 13, 2026, Mar 22, 2017 (2 updates tracked since 2017).

About Dr. Anne K. Stewart M.d. NPPES

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

DR. ANNE K. STEWART M.D. (NPI 1578556197) is an individual internal medicine provider in San Diego, California, licensed in California (G81636) and active in the NPI registry since August 2005. She is enrolled in Medicare PECOS and is a graduate of Michigan State University College Of Human Medicine (1993).

NPPES Registry Identity

NPI1578556197
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. ANNE K. STEWARTCredential: M.D.
Location Address501 WASHINGTON ST, SUITE 705San Diego, CA 92103-2231
Mailing AddressPo Box 54118, Suite 705Los Angeles, CA 90054-0118 · (760) 520-1400
Phone(619) 298-0256
Sole ProprietorNo
Medical School CMSMichigan State University College Of Human MedicineGraduated 1993
Enumeration DateAugust 30, 2005
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
✔ NPI 1578556197 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · G81636
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.
501 WASHINGTON ST, San Diego, CA 92103
Open in Google Maps ↗

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

Dr. Anne K. Stewart 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 ID7214954320
PECOS Enrollment IDI20051027001230
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 4

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.
211 services69 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.
131 services54 patients
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.
77 services69 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 services58 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92103 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
$140.22 typical visit price
range $62.10 – $184.71
Typical copayment $35.05 (range $15.52 – $46.17)
Most-billed visit code 99204
Established Patient
$108.42 typical visit price
range $20.62 – $151.42
Typical copayment $27.10 (range $5.15 – $37.85)
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.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
2 suppliers13 claims13 services$14.84 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
2 suppliers13 claims13 services$62.97 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

TANAZ KAHEN-BITON M.D.
Hospitalist
501 WASHINGTON ST
SAN DIEGO, CA 92103
San Diego County (619) 260-7125
AMY ROSENBAUM PA-C
Physician Assistant
501 WASHINGTON ST
SAN DIEGO, CA 92103
San Diego County (619) 278-3300
DR. ALAN L LURIE M.D.
Radiology (Diagnostic Radiology)
501 WASHINGTON ST, STE 510
SAN DIEGO, CA 92103
San Diego County (619) 819-6501
SCRIPPS HEALTH DBA SCRIPPS MEDICAL FOUNDATION
Pediatrics
501 WASHINGTON ST, SUITE 600
SAN DIEGO, CA 92103
San Diego County (619) 278-3300
DR. DENISE A BROWNLEE MD
Pediatrics
501 WASHINGTON ST, SUITE 600
SAN DIEGO, CA 92103
San Diego County (619) 278-3300
BRUCE JOHN KIMURA M.D.
Internal Medicine (Cardiovascular Disease)
501 WASHINGTON ST, SUITE 512
SAN DIEGO, CA 92103
San Diego County (619) 297-0014
DR. MICHAEL GOLDHAMER M.D.
Internal Medicine (Gastroenterology)
501 WASHINGTON ST, SUITE 508
SAN DIEGO, CA 92103
San Diego County (619) 299-2570
DIANE KIM APRN
Nurse Practitioner (Family)
501 WASHINGTON ST
SAN DIEGO, CA 92103
San Diego County (619) 278-3300

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 Anne Stewart's NPI number?

The NPI number for Anne Stewart is 1578556197. It was assigned to this individual provider in the NPPES registry on August 30, 2005.

Where is Anne Stewart located?

Anne Stewart practices at 501 Washington St Suite 705, San Diego, CA 92103. The listed phone number is (619) 298-0256.

What is Anne Stewart's specialty?

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

Is Anne Stewart enrolled in Medicare?

Yes. Anne 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.

When was this NPI record last updated?

The NPPES record for Anne Stewart was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 38 days 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.