Tiffany Stewart, FNP-C
NPI 1215438445 · Family Nurse Practitioner · San Francisco, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tiffany Stewart, FNP-C is a Family Nurse Practitioner provider in San Francisco, CA (NPI 1215438445).
Provider details
- NPI number
- 1215438445
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C
- Sex
- Female
- Sole proprietor
- No
- License
- 02180108 (IL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
8 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,981 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 1,864 | $94 |
| Initial Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, 50 Minutes Or More99306 | 117 | $159 |
Typical Medicare-allowed amounts for these services range $94–$159 (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 · 15 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Carvedilol | 184 |
| Amlodipine Besylate | 120 |
| Lisinopril | 115 |
| Hydralazine Hcl | 104 |
| Losartan Potassium | 92 |
| Nifedipinebrand: Nifedipine Er | 64 |
| Metoprolol Tartrate | 56 |
| Midodrine Hcl | 43 |
| Labetalol Hcl | 36 |
| Diltiazem Hclbrand: Diltiazem 12hr Er |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$116 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 4415 Harrison St Ste 247Hillside, IL 60162-1919Phone: (773) 983-3217
Registry dates
- Enumerated
- 2018-02-22
- Last updated
- 2025-12-23
- Certified
- 2025-12-23
Frequently asked questions
- What is Tiffany Stewart's NPI number?
- Tiffany Stewart's National Provider Identifier (NPI) is 1215438445, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tiffany Stewart's specialty?
- Tiffany Stewart is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Tiffany Stewart located?
- Tiffany Stewart's practice location on file with NPPES is 2 Embarcadero Ctr, San Francisco, CA 94111-3823.
- What is Tiffany Stewart's phone number?
- The practice phone number listed in the NPPES registry for Tiffany Stewart is (888) 663-6331.
- Does Tiffany Stewart accept Medicare?
- Tiffany Stewart is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tiffany Stewart's NPI active?
- Yes — Tiffany Stewart's NPI (1215438445) is active in the NPPES registry as of the last update on 2025-12-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.