Lee Eisan, MD
NPI 1871674333 · Internal Medicine Physician · Danville, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lee Eisan, MD is a Internal Medicine Physician provider in Danville, CA (NPI 1871674333).
Provider details
- NPI number
- 1871674333
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 00G37664 (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
19 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
882 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) |
|---|---|---|
| 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 | 514 | $35 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 261 | $203 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 42 | $66 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 41 | $145 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 24 | $104 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 73 | 19 |
| Losartan Potassium | 41 | — |
| Trazodone Hcl | 34 | — |
| Metoprolol Succinate | 34 | — |
| Ezetimibe | 33 | — |
| Metformin Hcl | 31 | — |
| Simvastatin | 30 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-18
- Last updated
- 2007-07-08
Frequently asked questions
- What is Lee Eisan's NPI number?
- Lee Eisan's National Provider Identifier (NPI) is 1871674333, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lee Eisan's specialty?
- Lee Eisan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Lee Eisan located?
- Lee Eisan's practice location on file with NPPES is 907 San Ramon Valley Blvd, Danville, CA 94526.
- What is Lee Eisan's phone number?
- The practice phone number listed in the NPPES registry for Lee Eisan is (925) 837-7409.
- Does Lee Eisan accept Medicare?
- Lee Eisan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lee Eisan's NPI active?
- Yes — Lee Eisan's NPI (1871674333) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.