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DR. CHRISTOPHER MASSARI M.D.
NPI 1700948973
Internal Medicine in Oswego, NY

Active since December 14, 2006PECOS EnrolledAccepts Medicare Assignment
110 W 6TH ST, OSWEGO, NY 13126(315) 349-5511(315) 349-5785 Get Directions Write a Review

NPPES record last updated: June 19, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 19, 2025, Apr 21, 2020 (2 updates tracked since 2020).

About Dr. Christopher Massari M.d. NPPES

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

DR. CHRISTOPHER MASSARI M.D. (NPI 1700948973) is an individual internal medicine provider in Oswego, New York, licensed in New York (336551) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS, is affiliated with Oswego Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1700948973
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. CHRISTOPHER MASSARICredential: M.D.
Location Address110 W 6TH STOswego, NY 13126-2598
Mailing Address110 W 6th StOswego, NY 13126-2598 · (315) 349-5511 · Fax (315) 349-5785
Phone(315) 349-5511
Fax(315) 349-5785
Sole ProprietorNo
Medical School CMSUniversity Of Vermont College Of MedicineGraduated 2002
Enumeration DateDecember 14, 2006
Last NPPES UpdateJune 19, 20252 updates tracked since enumeration
NPPES CertifiedJune 19, 2025
✔ NPI 1700948973 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in NY · 336551✔ Licensed in OR · MD28579
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedHospitalistTaxonomy 208M00000X · License MD28579 (OR)
110 W 6TH ST, Oswego, NY 13126
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Other Names 1

Former Name (1)Dr. Christopher Pineda-massari M.d.

Secondary Practice Locations 2

Location 12500 NE Neff RoadBend, OR 97701 · Phone (541) 706-5811 · Fax (541) 706-5867
Location 21501 NE Medical Center DrBend, OR 97701-6051 · Phone (541) 382-2811

Other Identifiers 2

Medicaid279366OR
OtherP01284390OR · Medicare Railroad

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. Christopher Massari M.d. 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 ID2062439938
PECOS Enrollment IDI20250707001198
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.

Hospital Affiliations CMS Care Compare

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

Oswego Hospital

Acute Care Hospitals · Oswego, NY
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330218
Location110 West Sixth StreetOswego, NY 13126 · Oswego County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 13126 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
$126.40 typical visit price
range $54.87 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
Established Patient
$97.08 typical visit price
range $17.54 – $136.14
Typical copayment $24.27 (range $4.38 – $34.03)
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.

REHAB RESOURCES
General Acute Care Hospital
110 W 6TH ST
OSWEGO, NY 13126
Oswego County (315) 349-5511
RHONALDO AGUNG SILABAN MD
Emergency Medicine
110 W 6TH ST
OSWEGO, NY 13126
Oswego County (315) 349-5511
MRS. AMIE ELLENE JOHNSON CRNA
Nurse Anesthetist, Certified Registered
110 W 6TH ST
OSWEGO, NY 13126
Oswego County (315) 349-5511
MISS TAMMY ELIZABETH ENGLE N.P.
Nurse Practitioner (Adult Health)
110 W 6TH ST
OSWEGO, NY 13126
Oswego County (315) 349-5511
MARIE REYES-JULIAN PT
Physical Therapist
110 W 6TH ST, 140
OSWEGO, NY 13126
Oswego County (315) 349-5558
MR. WAI-CHEUK RICHARD KUNG PT
Physical Therapist
110 W 6TH ST
OSWEGO, NY 13126
Oswego County (315) 349-5558
PHILIP SMITH RD
Dietitian, Registered
110 W 6TH ST
OSWEGO, NY 13126
Oswego County (315) 349-5511
DR. MARK K JACKSON M.D.
Radiology (Diagnostic Radiology)
110 W 6TH ST
OSWEGO, NY 13126
Oswego County (315) 349-5000

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 Christopher Massari's NPI number?

The NPI number for Christopher Massari is 1700948973. It was assigned to this individual provider in the NPPES registry on December 14, 2006. The provider is also known as Dr. Christopher Pineda-Massari M.D..

Where is Christopher Massari located?

Christopher Massari practices at 110 W 6th St, Oswego, NY 13126. The listed phone number is (315) 349-5511.

What is Christopher Massari's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Christopher Massari enrolled in Medicare?

Yes. Christopher Massari 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.

Is Christopher Massari affiliated with any hospitals?

According to CMS data, Christopher Massari is affiliated with Oswego Hospital.

When was this NPI record last updated?

The NPPES record for Christopher Massari was last updated on June 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.