Nancy Cuan, MD
NPI 1891764791 · Internal Medicine Physician · Stanford, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nancy Cuan, MD is a Internal Medicine Physician provider in Stanford, CA (NPI 1891764791).
Provider details
- NPI number
- 1891764791
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A67745 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 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
374 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 | 105 | $121 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 85 | $167 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 46 | $19 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 45 | $19 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 53 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 86 | 25 |
| Gabapentin | 59 | 11 |
| Losartan Potassium | 55 | 14 |
| Amlodipine Besylate | 53 | 11 |
| Pantoprazole Sodium | 44 | — |
| Pregabalin | 41 | — |
| Furosemide | 39 |
Practice location
Mailing address
Additional practice locations (1)
- 211 Quarry RdSuite 402Palo Alto, CA 94304-1416Phone: (650) 497-0062Fax: (650) 736-2550
Registry dates
- Enumerated
- 2006-03-14
- Last updated
- 2024-04-18
- Certified
- 2024-04-18
Frequently asked questions
- What is Nancy Cuan's NPI number?
- Nancy Cuan's National Provider Identifier (NPI) is 1891764791, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nancy Cuan's specialty?
- Nancy Cuan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nancy Cuan located?
- Nancy Cuan's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is Nancy Cuan's phone number?
- The practice phone number listed in the NPPES registry for Nancy Cuan is (650) 723-4000.
- Does Nancy Cuan accept Medicare?
- Nancy Cuan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nancy Cuan's NPI active?
- Yes — Nancy Cuan's NPI (1891764791) is active in the NPPES registry as of the last update on 2024-04-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.