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SAMWEL BRIAN ONYANGO OCHIENG MD
NPI 1164046306
Anesthesiology in Boston, MA

Active since June 03, 2020PECOS EnrolledAccepts Medicare Assignment

NPPES record last updated: April 26, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 26, 2024, Jun 3, 2020 (2 updates tracked since 2020).

About Samwel Brian Onyango Ochieng Md NPPES

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

SAMWEL BRIAN ONYANGO OCHIENG MD (NPI 1164046306) is an individual anesthesiology provider in Boston, Massachusetts, licensed in Massachusetts (1019711) and active in the NPI registry since June 2020. He is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of University Of Arizona College Of Medicine (2020).

NPPES Registry Identity

NPI1164046306
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameSAMWEL BRIAN ONYANGO OCHIENGCredential: MD
Location Address55 FRUIT STBoston, MA 02114-2621
Mailing Address5301 E Grant RdTucson, AZ 85712-2805
Phone(617) 726-3030
Sole ProprietorNo
Medical School CMSUniversity Of Arizona College Of MedicineGraduated 2020
Enumeration DateJune 3, 2020
Last NPPES UpdateApril 26, 20242 updates tracked since enumeration
NPPES CertifiedApril 26, 2024
✔ NPI 1164046306 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in MA · 1019711
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License R78138 (AZ)
55 FRUIT ST, Boston, MA 02114
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Arizona.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Samwel Brian Onyango Ochieng 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 ID6002356144
PECOS Enrollment IDI20260120000172
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 Samwel Ochieng reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern Arizona Anesthesia Services, PC
2,280 mi
Anesthesiology
3390 N CAMPBELL AVE, STE 110
Tucson, AZ 85719
  • Reassigned Medicare billing, Arizona enrollment
  • 86 clinicians in this Medicare group
NPI 1912999343 (520) 795-7650

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

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Massachusetts General Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220071
Location55 Fruit StreetBoston, MA 02114 · Suffolk County
Emergency services Birthing friendly

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 Samwel Ochieng's NPI number?

The NPI number for Samwel Ochieng is 1164046306. It was assigned to this individual provider in the NPPES registry on June 3, 2020.

Where is Samwel Ochieng located?

Samwel Ochieng practices at 55 Fruit St, Boston, MA 02114. The listed phone number is (617) 726-3030.

What is Samwel Ochieng's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Samwel Ochieng enrolled in Medicare?

Yes. Samwel Ochieng 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.

Which organization bills Medicare for Samwel Ochieng's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Samwel Ochieng reassigns Medicare benefits to Southern Arizona Anesthesia Services, PC (Tucson, AZ). 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 Samwel Ochieng's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Samwel Ochieng accept?

Health plans from Blue Cross Blue Shield of Arizona list Samwel Ochieng as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Samwel Ochieng affiliated with any hospitals?

According to CMS data, Samwel Ochieng is affiliated with Massachusetts General Hospital.

When was this NPI record last updated?

The NPPES record for Samwel Ochieng was last updated on April 26, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.