Doctor profile · Federal record

Dr. Lee Eisan, MD

Internal Medicine Physician (CMS: Internal Medicine) · Danville, CA

  • NPI 1871674333
  • 49 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
907 San Ramon Valley Blvd, Suite # 102
Danville, CA 94526
(925) 837-7409
fax (925) 837-5821
Mailing address
907 San Ramon Valley Blvd # 102, Suite # 102
Danville, CA 94526

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1977 — 49 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #00G37664

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1871674333. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
945
Distinct HCPCS
5
Medicare allowed
$83,880
HCPCS Description Services Patients Avg allowed
G2212 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 or 565 53 $35
99215 Established patient office or other outpatient visit, 40-54 minutes 262 54 $200
99212 Established patient office or other outpatient visit, 10-19 minutes 45 22 $65
99214 Established patient office or other outpatient visit, 30-39 minutes 42 22 $143
99213 Established patient office or other outpatient visit, 20-29 minutes 31 22 $101

In context: peer comparison

Among 7 peers in Danville Internal Medicine Physician, average services per provider: 116. This provider delivers 8.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
518
Patients
22
Total drug cost
$34,059
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 85 22 $877
Losartan Potassium Generic 46 0 $460
Trazodone Hcl Generic 43 0 $593
Metoprolol Succinate Generic 40 0 $943
Simvastatin Generic 35 0 $385
Ezetimibe Generic 34 0 $2,368
Alprazolam Generic 32 0 $135
Amlodipine Besylate Generic 30 0 $289
Metformin Hcl Generic 30 0 $228
Omeprazole Generic 29 0 $407

Frequently asked questions

Auto-generated from federal data
What is Dr. Lee Eisan's medical specialty?
Dr. Lee Eisan practices Internal Medicine Physician in Danville, CA.
Where does Dr. Lee Eisan practice?
Dr. Lee Eisan practices at 907 San Ramon Valley Blvd, Danville, CA 94526. Office phone: 9258377409.
What is Dr. Lee Eisan's NPI?
Dr. Lee Eisan's National Provider Identifier (NPI) is 1871674333, issued by NPPES.
Does Dr. Lee Eisan accept Medicare assignment?
Dr. Lee Eisan does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Lee Eisan commonly perform?
Top Medicare-reported procedures in 2023: 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 or (HCPCS G2212); Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99212). Source: CMS Medicare Physician & Other Practitioners file.