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STEFEN ANDRIANUS MD
NPI 1952928541
Pathology - Anatomic Pathology & Clinical Pathology in Boston, MA

Active since June 29, 2020PECOS Enrolled

NPPES record last updated: July 16, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Stefen Andrianus Md NPPES

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

STEFEN ANDRIANUS MD (NPI 1952928541) is an individual anatomic pathology & clinical pathology provider in Boston, Massachusetts, licensed in Massachusetts (1023589) and active in the NPI registry since June 2020. He is enrolled in Medicare PECOS and is a graduate of Other (2017).

NPPES Registry Identity

NPI1952928541
Entity TypeIndividualMale
Primary Taxonomy207ZP0102X
Provider Legal NameSTEFEN ANDRIANUSCredential: MD
Location Address55 FRUIT STBoston, MA 02114-2696
Mailing Address85 Seaport Blvd Unit 416Boston, MA 02210-2153 · (626) 215-4732
Phone(617) 643-0800
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateJune 29, 2020
Last NPPES UpdateJuly 16, 2025
NPPES CertifiedJuly 16, 2025
✔ NPI 1952928541 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0102X
License✔ Licensed in MA · 1023589
Definition
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
55 FRUIT ST, Boston, MA 02114
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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)

Stefen Andrianus Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6800364209
PECOS Enrollment IDI20260505000112
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 Reassignment

Medicare enrollment records show Stefen Andrianus reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Cellnetix Pathology, PLLC
2,265 mi
Anatomic Pathology & Clinical Pathology
800 W 5TH AVE
Spokane, WA 99204
  • Reassigned Medicare billing, Washington enrollment
  • 60 clinicians in this Medicare group
NPI 1811262272 (866) 236-8296

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 02114 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
$144.11 typical visit price
range $63.72 – $189.86
Typical copayment $36.02 (range $15.93 – $47.46)
Most-billed visit code 99204
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
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.

STUTI GIRISH SHROFF MD, MBBS
Pathology (Anatomic Pathology)
55 FRUIT ST
BOSTON, MA 02114
Suffolk County (617) 726-2971
NANCY WANG M.D.
Internal Medicine (Hematology & Oncology)
55 FRUIT ST
BOSTON, MA 02114
Suffolk County (017) 724-4000
DR. DUSAN HANIDZIAR M.D., PH.D.
Anesthesiology
55 FRUIT ST, GRAY-BIGELOW 444
BOSTON, MA 02114
Suffolk County (617) 726-3030
JOHN JOSEPH DANKO DO
Physical Medicine & Rehabilitation
55 FRUIT ST
BOSTON, MA 02114
Suffolk County (617) 726-2000
DR. MICHAEL ANDREW LOBRITZ M.D, PH.D.
Internal Medicine (Infectious Disease)
55 FRUIT ST, DIVISION OF INFECTIOUS DISEASE, GRJ-504
BOSTON, MA 02114
Suffolk County (617) 724-9248
MS. KELLY ELISHA TRECARTIN NP
Nurse Practitioner (Acute Care)
55 FRUIT ST, BIGALOW 852 F
BOSTON, MA 02114
Suffolk County (617) 726-7400
JAMIE MARIE ALLEN NP
Nurse Practitioner
55 FRUIT ST
BOSTON, MA 02114
Suffolk County (617) 724-4410
DR. DHAVAL SANJEEV KOLTE M.B.B.S., PH.D.
Internal Medicine (Cardiovascular Disease)
55 FRUIT ST
BOSTON, MA 02114
Suffolk County (617) 643-3238

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 Stefen Andrianus's NPI number?

The NPI number for Stefen Andrianus is 1952928541. It was assigned to this individual provider in the NPPES registry on June 29, 2020.

Where is Stefen Andrianus located?

Stefen Andrianus practices at 55 Fruit St, Boston, MA 02114. The listed phone number is (617) 643-0800.

What is Stefen Andrianus's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Is Stefen Andrianus enrolled in Medicare?

Yes. Stefen Andrianus is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Stefen Andrianus's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Stefen Andrianus reassigns Medicare benefits to Cellnetix Pathology, PLLC (Spokane, WA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Stefen Andrianus's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Stefen Andrianus was last updated on July 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months 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.