DR. NATHAN REUVEN STEIN MD
NPI 1073044970
Internal Medicine - Cardiovascular Disease in San Diego, CA

Active since March 22, 2017PECOS EnrolledAccepts Medicare Assignment
5251 VIEWRIDGE CT, SAN DIEGO, CA 92123(877) 236-0333 Get Directions Write a Review

NPPES record last updated: August 19, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Oct 27, 2023, Mar 17, 2018, Jun 17, 2017 and 2 more (5 updates tracked since 2017).

About Dr. Nathan Reuven Stein Md NPPES

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

DR. NATHAN REUVEN STEIN MD (NPI 1073044970) is an individual cardiovascular disease provider in San Diego, California, licensed in California (A159770) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS and is a graduate of University Of California, San Diego School Of Medicine (2017).

NPPES Registry Identity

NPI1073044970
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameDR. NATHAN REUVEN STEINCredential: MD
Location Address5251 VIEWRIDGE CTSan Diego, CA 92123-1612
Mailing Address5251 Viewridge CtSan Diego, CA 92123-1612
Sole ProprietorNo
Medical School CMSUniversity Of California, San Diego School Of MedicineGraduated 2017
Enumeration DateMarch 22, 2017
Last NPPES UpdateAugust 19, 20255 updates tracked since enumeration
NPPES CertifiedAugust 19, 2025
NPI 1073044970 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License Licensed in CA · A159770
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
5251 VIEWRIDGE CT, San Diego, CA 92123

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Nathan Reuven Stein Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7214382894
PECOS Enrollment IDI20231017002987
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

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.

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
19 services18 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92123 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
$140.22 typical visit price
range $62.10 – $184.71
Typical copayment $35.05 (range $15.52 – $46.17)
Most-billed visit code 99204
Established Patient
$76.87 typical visit price
range $20.62 – $151.42
Typical copayment $19.21 (range $5.15 – $37.85)
Most-billed visit code 99213
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 6

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

Internal Medicine (Clinical Cardiac Electrophysiology)
5251 VIEWRIDGE CT
SAN DIEGO, CA 92123
Obstetrics & Gynecology (Gynecologic Oncology)
5251 VIEWRIDGE CT
SAN DIEGO, CA 92123
Neurological Surgery
5251 VIEWRIDGE CT
SAN DIEGO, CA 92123
Speech-Language Pathologist
5251 VIEWRIDGE CT
SAN DIEGO, CA 92123
Thoracic Surgery (Cardiothoracic Vascular Surgery)
5251 VIEWRIDGE CT
SAN DIEGO, CA 92123
Obstetrics & Gynecology
5251 VIEWRIDGE CT, OB/GYN DEPARTMENT
SAN DIEGO, CA 92123

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 Nathan Stein's NPI number?

The NPI number for Nathan Stein is 1073044970. It was assigned to this individual provider in the NPPES registry on March 22, 2017.

Where is Nathan Stein located?

Nathan Stein practices at 5251 Viewridge Ct, San Diego, CA 92123. The listed phone number is (877) 236-0333.

What is Nathan Stein's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Nathan Stein enrolled in Medicare?

Yes. Nathan Stein is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Nathan Stein was last updated on August 19, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS; the most recent full sync was completed on July 26, 2026. Anyone can also request an on-demand re-check of this record against the live CMS registry, directly from this page.