Tien Nguyen, PA-C
NPI 1306315502 · Physician Assistant · San Francisco, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tien Nguyen, PA-C is a Physician Assistant provider in San Francisco, CA (NPI 1306315502).
Provider details
- NPI number
- 1306315502
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- PA12414 (TX)
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
7 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
373 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 90 | $62 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 87 | $93 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 49 | $33 |
| Insertion of Lower Leg Neurostimulator Electrode64566 | 39 | $28 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 33 | $77 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Estradiol | 168 | 104 |
| Methenamine Hippurate | 146 | 47 |
| Mirabegronbrand: Myrbetriq | 133 | 49 |
| Vibegronbrand: Gemtesa | 127 | 42 |
| Tamsulosin Hcl | 60 | 21 |
| Finasteride | 33 | 12 |
| Trospium Chloride | 29 | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$106 across 2 records (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
Registry dates
- Enumerated
- 2018-11-16
- Last updated
- 2022-12-02
- Certified
- 2022-12-02
Frequently asked questions
- What is Tien Nguyen's NPI number?
- Tien Nguyen's National Provider Identifier (NPI) is 1306315502, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tien Nguyen's specialty?
- Tien Nguyen is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Tien Nguyen located?
- Tien Nguyen's practice location on file with NPPES is 400 Parnassus Ave # A610, San Francisco, CA 94143-2202.
- What is Tien Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Tien Nguyen is (415) 353-2200.
- Does Tien Nguyen accept Medicare?
- Tien Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tien Nguyen's NPI active?
- Yes — Tien Nguyen's NPI (1306315502) is active in the NPPES registry as of the last update on 2022-12-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.