MERIN M STEPHEN M.D.
NPI 1295998235
Internal Medicine - Hematology & Oncology in Sacramento, CA

Q: What is Merin Stephen's NPI number?

The NPI number for Merin Stephen is 1295998235. It was assigned to this individual provider in the NPPES registry on July 9, 2008.

Q: What is Merin Stephen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Q: When was this NPI record last updated?

The NPPES record for Merin Stephen was last updated on November 29, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.

Active since July 09, 2008PECOS Enrolled

2279 45TH ST, SACRAMENTO, CA 95817(916) 734-5959(916) 703-5265 Get Directions Write a Review

NPPES record last updated: November 29, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 29, 2021, Sep 5, 2019, Feb 21, 2018 and 1 more (4 updates tracked since 2017).

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About Merin M Stephen M.d. NPPES

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

MERIN M STEPHEN M.D. (NPI 1295998235) is an individual hematology & oncology provider in Sacramento, California, licensed in California (137065) and active in the NPI registry since July 2008. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1295998235

Entity TypeIndividualFemale

Primary Taxonomy207RH0003X

Provider Legal NameMERIN M STEPHENCredential: M.D.

Location Address2279 45TH STSacramento, CA 95817-1514

Mailing Address4501 X St Ste 3016Sacramento, CA 95817-2229 · (916) 734-3772 · Fax (916) 734-7946

Phone(916) 734-5959

Fax(916) 703-5265

Sole ProprietorNo

Enumeration DateJuly 9, 2008

Last NPPES UpdateNovember 29, 20214 updates tracked since enumeration

✔ NPI 1295998235 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RH0003X

License✔ Licensed in CA · 137065

Definition

An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

2279 45TH ST, Sacramento, CA 95817

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Merin M Stephen M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignments

Medicare enrollment records show Merin Stephen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Regents Of The University Of Ca

0.2 mi

Emergency Medicine

2315 STOCKTON BLVD
Sacramento, CA 95817

Reassigned Medicare billing, California enrollment
Medicare enrollment name: Regents Of The Univ Of Ca
2,570 clinicians in this Medicare group

NPI 1063405074 (916) 734-2363

Southern California Permanente Medical Group

325 mi

Health Maintenance Organization

43112 N 15TH ST
Lancaster, CA 93534

Reassigned Medicare billing, California enrollment
13,921 clinicians in this Medicare group

NPI 1982863783 (661) 726-2279

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95817 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

$180.85 typical visit price

range $60.44 – $180.85

Typical copayment $45.21 (range $15.11 – $45.21)

Most-billed visit code 99205

Established Patient

$105.95 typical visit price

range $19.88 – $148.15

Typical copayment $26.48 (range $4.97 – $37.03)

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 20

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

ALEXIA PRATT MONAHAN CPNP

Nurse Practitioner (Pediatrics)