What is Markira Stewart's NPI number?

Markira Stewart's National Provider Identifier (NPI) is 1093144271, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Markira Stewart's specialty?

Markira Stewart is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).

Where is Markira Stewart located?

Markira Stewart's practice location on file with NPPES is 1 Embarcadero Ctr Fl 19, San Francisco, CA 94111-3628.

What is Markira Stewart's phone number?

The practice phone number listed in the NPPES registry for Markira Stewart is (415) 658-6791.

Does Markira Stewart accept Medicare?

Markira Stewart is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Markira Stewart's NPI active?

Yes — Markira Stewart's NPI (1093144271) is active in the NPPES registry as of the last update on 2025-11-06.

IndividualActiveAccepts Medicare

Markira Stewart, PA-C

NPI 1093144271 · Physician Assistant · San Francisco, CA

Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Markira Stewart, PA-C is a Physician Assistant provider in San Francisco, CA (NPI 1093144271).

Provider details

NPI number: 1093144271
Entity type: Individual
Primary specialty: Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Credential: PA-C
Sex: Female
Sole proprietor: No
License: PA.0009371 (CO)

Specialties & taxonomies

Physician AssistantPrimary363A00000XLicense PA9107494 (FL)
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistant363A00000XLicense PA.0009371 (CO)
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistant363A00000XLicense PA70020840 (WA)
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistant363A00000XLicense PA101661 (MA)
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistant363A00000XLicense 11103 (AZ)
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistant363A00000X

Profile Score

Established profile(61/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure28% of score
12 yrs in NPPES registry
Profile completeness28% of score
100% of core fields populated
Practice footprint17% of score
2 documented practice locations
Medicare service volume (vs. specialty peers)28% of score
71 Medicare services, 2024 (ranked within specialty)

Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214	59	$111
New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204	12	$148

Typical Medicare-allowed amounts for these services range $111–$148 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.

What this provider prescribes (Medicare Part D)

Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.

Drug	Part D claims (2024)	Beneficiaries
Fluticasone Propionate	23	23
Doxycycline Hyclate	20	20
Diclofenac Sodium	17	16
Cyclobenzaprine Hcl	15	15
Naproxen	15	15
Albuterol Sulfatebrand: Albuterol Sulfate Hfa	14	13
Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass	14	14

Practice location

1 Embarcadero Ctr Fl 19

San Francisco, CA 94111-3628

Phone: (415) 658-6791

Fax: (415) 252-7176

Street-level locationGet directions

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Mailing address