Doctor profile · Federal record
Dr. Margo Estrin, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Danville, CA
- NPI 1891840096
- 48 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
901 San Ramon Valley Blvd, #232
Danville, CA 945264034
(925) 837-6006
fax (925) 837-2275
Credentials & registration
- NPI registered
- January 2007 — 19 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1978 — 48 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #G40199
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1891840096. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
404
Distinct HCPCS
4
Medicare allowed
$46,221
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 249 | 113 | $102 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 82 | 82 | $200 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 47 | 47 | $17 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 26 | 23 | $144 |
In context: peer comparison
Among 7 peers in Danville Internal Medicine Physician, average services per provider: 116. This provider delivers 3.5× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
949
Patients
176
Total drug cost
$14,418
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 147 | 33 | $2,171 |
| Atorvastatin Calcium | Generic | 126 | 31 | $1,333 |
| Gabapentin | Generic | 96 | 17 | $3,155 |
| Atenolol | Generic | 77 | 15 | $1,314 |
| Sertraline Hcl | Generic | 68 | 15 | $875 |
| Lisinopril | Generic | 58 | 13 | $444 |
| Zolpidem Tartrate | Generic | 53 | 14 | $486 |
| Amlodipine Besylate | Generic | 46 | 0 | $278 |
| Potassium Chloride | Generic | 43 | 0 | $1,475 |
| Escitalopram Oxalate | Generic | 42 | 12 | $956 |
Frequently asked questions
What is Dr. Margo Estrin's medical specialty?
Dr. Margo Estrin practices Internal Medicine Physician in Danville, CA.
Where does Dr. Margo Estrin practice?
Dr. Margo Estrin practices at 901 San Ramon Valley Blvd, Danville, CA 945264034. Office phone: 9258376006.
What is Dr. Margo Estrin's NPI?
Dr. Margo Estrin's National Provider Identifier (NPI) is 1891840096, issued by NPPES.
Does Dr. Margo Estrin accept Medicare assignment?
Dr. Margo Estrin does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Margo Estrin commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99215); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000). Source: CMS Medicare Physician & Other Practitioners file.