DR. MARGO ESTRIN M.D.
NPI 1891840096
Internal Medicine in Danville, CA

Active since January 25, 2007PECOS Enrolled
901 SAN RAMON VALLEY BLVD, #232, DANVILLE, CA 94526(925) 837-6006(925) 837-2275 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Margo Estrin M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARGO ESTRIN M.D. (NPI 1891840096) is an individual internal medicine provider in Danville, California, licensed in California (G40199) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS and is a graduate of University Of Southern California Keck School Of Medicine (1978).

NPPES Registry Identity

NPI1891840096
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. MARGO ESTRINCredential: M.D.
Location Address901 SAN RAMON VALLEY BLVD, #232Danville, CA 94526-4034
Mailing Address901 San Ramon Valley Blvd, #232Danville, CA 94526-4034 · (925) 837-6006 · Fax (925) 837-2275
Fax(925) 837-2275
Sole ProprietorYes
Medical School CMSUniversity Of Southern California Keck School Of MedicineGraduated 1978
Enumeration DateJanuary 25, 2007
Last NPPES UpdateJuly 8, 2007
NPI 1891840096 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in CA · G40199
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
901 SAN RAMON VALLEY BLVD, Danville, CA 94526

Other Identifiers 2

Medicare UPINA48133CA
Medicare ID-Type Unspecified00G401990CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. Margo Estrin M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID345366175
PECOS Enrollment IDI20100929000429
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
218 services101 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
74 services74 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
22 services22 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
18 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94526 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine
901 SAN RAMON VALLEY BLVD, #130
DANVILLE, CA 94526
Specialist
901 SAN RAMON VALLEY BLVD, SUITE 130
DANVILLE, CA 94526
Dentist (General Practice)
901 SAN RAMON VALLEY BLVD, SUITE 230
DANVILLE, CA 94526
Obstetrics & Gynecology (Gynecology)
901 SAN RAMON VALLEY BLVD, #130
DANVILLE, CA 94526
Dentist
901 SAN RAMON VALLEY BLVD, SUITE 228
DANVILLE, CA 94526

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Margo Estrin's NPI number?

The NPI number for Margo Estrin is 1891840096. It was assigned to this individual provider in the NPPES registry on January 25, 2007.

Where is Margo Estrin located?

Margo Estrin practices at 901 San Ramon Valley Blvd #232, Danville, CA 94526. The listed phone number is (925) 837-6006.

What is Margo Estrin's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Margo Estrin enrolled in Medicare?

Yes. Margo Estrin is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Margo Estrin was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.