MARK D NATHAN (MD) – Interventional Cardiology Physician, NPI 1013947670

MARK D NATHAN (MD) is a healthcare provider. based in Walnut creek, California. specializing in Interventional Cardiology Physician. They hold the professional credentials MD. They hold a License No. G35395 (CA). The NPI Number for MARK D NATHAN (MD) is 1013947670

Main info

Male
50 Years Of Experience
Accepts Medicare Assignment
Name
MARK D NATHAN (MD)
NPI
1013947670
Phone
(925) 274-2860
Address
2855 MITCHELL DR
Enumeration Date
3 July 2006
Last Update Date
25 June 2010

Doctor Profile

Medical School Name
WARREN ALPERT MEDICAL SCHOOL OF BROWN UNIVERSITY
Secondary Phone
9252742860
Graduation Year
1976 (50 years ago)
PAC ID
2860386133
Group Practice PAC ID
6305748799
Professional Enrollment ID
I20070214000054
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness75
Years active:19State licenses:1Digital endpointsOther names

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Provider Addresses for MARK D NATHAN (MD)

  • 2855, Mitchell Drive, Shadelands Business Park, Walnut Creek, Contra Costa County, California, 95498, United States

    #223

    WALNUT CREEK, CA 945981600

    Phone: (925) 274-2860

    Fax: (925) 932-4527

    Type: Mailing

  • 106, La Casa Via, Walnut Creek, Contra Costa County, California, 94598, United States

    #140

    WALNUT CREEK, CA 945983086

    Phone: (925) 274-2860

    Fax: (925) 932-4527

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

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Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

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Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 94598)

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Provider's Procedures

MARK D NATHAN (MD) performs procedures in Interventional Cardiology Physician. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
INTERVENTIONAL CARDIOLOGYCA78452Nuclear medicine study of vessels of heart using drugs or exercise multiple studies156155
INTERVENTIONAL CARDIOLOGYCA93010Routine electrocardiogram (EKG) using at least 12 leads with interpretation and report5447

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 6305748799View full group profile
NameSpecialtyState
-CA
-CA
E N D O C R I N O L O G YCA
O B S T E T R I C S/ G Y N E C O L O G YCA
-CA
O B S T E T R I C S/ G Y N E C O L O G YCA
-CA
O B S T E T R I C S/ G Y N E C O L O G YCA
-CA
-CA

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Frequently asked questions

Can I cross-check MARK D NATHAN (MD) using NPI 1013947670?
NPI 1013947670 belongs to MARK D NATHAN (MD); compare other details if you need extra assurance.
Would MARK D NATHAN (MD) appear as active to a payer?
You can treat MARK D NATHAN (MD) as active for directory purposes; confirm clinical privileges separately.
How would a patient describe MARK D NATHAN (MD)'s focus?
For MARK D NATHAN (MD), the primary taxonomy reads as Interventional Cardiology Physician. Clinical services aligned with this taxonomy classification.
What locale is associated with MARK D NATHAN (MD)?
Directory geography for MARK D NATHAN (MD) centers on Walnut Creek, California.
Can I trust this NPI listing for MARK D NATHAN (MD)?
The listing is sourced from the national NPI registry. If something looks off, compare with NPPES and the clinic's website.

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