Amanda Tam, NP
NPI 1902299100 · Nurse Practitioner · Stanford, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Amanda Tam, NP is a Nurse Practitioner provider in Stanford, CA (NPI 1902299100).
Provider details
- NPI number
- 1902299100
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 95004202 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
11 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
338 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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 195 | $184 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 92 | $132 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 31 | $139 |
| Prolonged Office Or Other Outpatient Evaluation and Management Service(s) Beyond the Maximum Required Time of the Primary Procedure Which Has Been Selected Using Total Time on the Date of the Primary Service; Each Additional 15 Minutes By the Physician OrG2212 | 20 | $32 |
Typical Medicare-allowed amounts for these services range $32–$184 (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 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ondansetron Hcl | 42 | 24 |
| Prochlorperazine Maleate | 39 | 24 |
| Apixabanbrand: Eliquis | 18 | — |
| Loperamide Hclbrand: Loperamide | 18 | — |
| Potassium Chloride | 15 | — |
| Lidocaine/Prilocainebrand: Lidocaine-Prilocaine | 13 | — |
| Rivaroxabanbrand: Xarelto | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-03-12
- Last updated
- 2025-12-30
- Certified
- 2025-12-30
Frequently asked questions
- What is Amanda Tam's NPI number?
- Amanda Tam's National Provider Identifier (NPI) is 1902299100, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Amanda Tam's specialty?
- Amanda Tam is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Amanda Tam located?
- Amanda Tam's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is Amanda Tam's phone number?
- The practice phone number listed in the NPPES registry for Amanda Tam is (650) 723-4000.
- Does Amanda Tam accept Medicare?
- Amanda Tam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Amanda Tam's NPI active?
- Yes — Amanda Tam's NPI (1902299100) is active in the NPPES registry as of the last update on 2025-12-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.