Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. SACHA N ULJON MD, PHD
NPI 1194897819
Pathology - Clinical Pathology in Boston, MA

Active since November 15, 2006PECOS Enrolled

NPPES record last updated: July 28, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Sacha N Uljon Md, Phd NPPES

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

DR. SACHA N ULJON MD, PHD (NPI 1194897819) is an individual clinical pathology provider in Boston, Massachusetts, licensed in Massachusetts (239732) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS, is affiliated with North Shore Medical Center -, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1194897819
Entity TypeIndividualFemale
Primary Taxonomy207ZC0006X
Provider Legal NameDR. SACHA N ULJONCredential: MD, PHD
Location Address55 FRUIT STBoston, MA 02114-2696
Mailing Address89 Park Dr, #6Boston, MA 02215-5254 · (917) 449-0586
Sole ProprietorYes
Medical School CMSOtherGraduated 2006
Enumeration DateNovember 15, 2006
Last NPPES UpdateJuly 28, 2026
NPPES CertifiedJuly 28, 2026
NPI 1194897819 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPathology · Clinical PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZC0006X
License Licensed in MA · 239732
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.
Also ListedPathology · Clinical Pathology/Laboratory MedicineTaxonomy 207ZP0105X · License 239732 (MA)
55 FRUIT ST, Boston, MA 02114

Secondary Practice Locations 2

Location 175 Francis StBoston, MA 02115-6110 · Phone (917) 449-0586
Location 21153 Centre StJamaica Plain, MA 02130-3446 · Phone (617) 983-7000

Accepted Insurance

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. Sacha N Uljon Md, Phd 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 ID7012198054
PECOS Enrollment IDI20110223000675
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 8

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.

Immunologic analysis technique on serum 86320
An immunologic analysis technique on serum is a lab test that checks your blood for certain substances. These substances, mostly proteins, can tell doctors a lot about your health, including whether you have certain diseases or conditions.
637 services536 patients
Coagulation function screening test with interpretation and report 85390
A coagulation function screening test is a type of blood test that checks how well your blood clots. It's important because clotting helps prevent excessive bleeding. The test results are interpreted and a report is provided to help guide your doctor's treatment plan.
512 services423 patients
Immunologic analysis technique on serum (immunofixation) 86334
Immunofixation is a lab test that helps identify proteins called immunoglobulins in your blood serum. These proteins are part of your immune system. Changes in their levels can indicate certain diseases. The test is simple and only requires a blood sample.
202 services171 patients
Measurement of antibody to noninfectious agent 86256
The measurement of antibody to noninfectious agent is a test that checks your body's immune response to a non-disease causing substance. This could be anything from a food allergen to a medication. It helps doctors understand how your immune system reacts to these substances.
114 services114 patients
Immunologic analysis technique on body fluid 86325
Immunologic analysis is a process that examines body fluids to identify and measure substances that help your body defend against diseases. It uses specialized lab techniques to understand your immune system better, aiding in diagnosis and treatment.
113 services93 patients
Crystal identification from tissue or body fluid 89060
Crystal identification from tissue or body fluid is a medical test that helps identify the presence of certain substances in the body. It involves analyzing samples from your body to detect crystals that may indicate health conditions like gout or kidney stones.
57 services49 patients

Hospital Affiliations CMS Care Compare 4

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

North Shore Medical Center -

Acute Care Hospitals · Salem, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220035
Location81 Highland AvenueSalem, MA 01970 · Essex County
Emergency services Birthing friendly

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

Newton-Wellesley Hospital

Acute Care Hospitals · Newton, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220101
Location2014 Washington StreetNewton, MA 02462 · Middlesex County
Emergency services Birthing friendly

Brigham And Women's Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220110
Location75 Francis StreetBoston, MA 02115 · Suffolk County
Emergency services Birthing friendly

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.

Pathology (Anatomic Pathology)
55 FRUIT ST
BOSTON, MA 02114
Internal Medicine (Hematology & Oncology)
55 FRUIT ST
BOSTON, MA 02114
Anesthesiology
55 FRUIT ST, GRAY-BIGELOW 444
BOSTON, MA 02114
Physical Medicine & Rehabilitation
55 FRUIT ST
BOSTON, MA 02114
Internal Medicine (Infectious Disease)
55 FRUIT ST, DIVISION OF INFECTIOUS DISEASE, GRJ-504
BOSTON, MA 02114
Nurse Practitioner (Acute Care)
55 FRUIT ST, BIGALOW 852 F
BOSTON, MA 02114
Nurse Practitioner
55 FRUIT ST
BOSTON, MA 02114
Internal Medicine (Cardiovascular Disease)
55 FRUIT ST
BOSTON, MA 02114

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 Sacha Uljon's NPI number?

The NPI number for Sacha Uljon is 1194897819. It was assigned to this individual provider in the NPPES registry on November 15, 2006.

Where is Sacha Uljon located?

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

What is Sacha Uljon's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Clinical Pathology, with taxonomy code 207ZC0006X.

Is Sacha Uljon enrolled in Medicare?

Yes. Sacha Uljon 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.

What insurance does Sacha Uljon accept?

Health plans from Anthem Blue Cross and Blue Shield and WellSense Health Plan list Sacha Uljon 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 Sacha Uljon affiliated with any hospitals?

According to CMS data, Sacha Uljon is affiliated with North Shore Medical Center -, Massachusetts General Hospital, Newton-Wellesley Hospital and Brigham And Women's Hospital.

When was this NPI record last updated?

The NPPES record for Sacha Uljon was last updated on July 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 days 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.