Sai Ying Tang, NP
NPI 1164772448 · Adult Health Nurse Practitioner · San Francisco, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sai Ying Tang, NP is a Adult Health Nurse Practitioner provider in San Francisco, CA (NPI 1164772448).
Provider details
- NPI number
- 1164772448
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 21809 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
13 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
524 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 | 188 | $131 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Tracing93005 | 187 | $9 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 96 | $167 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 23 | $183 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 19 | $113 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-09-14
- Last updated
- 2015-09-23
Frequently asked questions
- What is Sai Ying Tang's NPI number?
- Sai Ying Tang's National Provider Identifier (NPI) is 1164772448, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sai Ying Tang's specialty?
- Sai Ying Tang is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sai Ying Tang located?
- Sai Ying Tang's practice location on file with NPPES is 888 Paris St, San Francisco, CA 94112-3857.
- What is Sai Ying Tang's phone number?
- The practice phone number listed in the NPPES registry for Sai Ying Tang is (415) 677-2488.
- Does Sai Ying Tang accept Medicare?
- Sai Ying Tang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sai Ying Tang's NPI active?
- Yes — Sai Ying Tang's NPI (1164772448) is active in the NPPES registry as of the last update on 2015-09-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.