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TYLER SCHAEFFER MD
NPI 1861875742
Internal Medicine in Cambridge, MA

Active since July 09, 2015PECOS Enrolled
1439 CAMBRIDGE ST, CAMBRIDGE, MA 02139(617) 665-1068 Get Directions Write a Review

NPPES record last updated: June 2, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 2, 2026, Aug 16, 2023 (2 updates tracked since 2023).

About Tyler Schaeffer Md NPPES

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

TYLER SCHAEFFER MD (NPI 1861875742) is an individual internal medicine provider in Cambridge, Massachusetts, licensed in Massachusetts (1026600) and active in the NPI registry since July 2015. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1861875742
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameTYLER SCHAEFFERCredential: MD
Location Address1439 CAMBRIDGE STCambridge, MA 02139-1106
Mailing Address1439 Cambridge StCambridge, MA 02139-1106
Phone(617) 665-1068
Sole ProprietorNo
Enumeration DateJuly 9, 2015
Last NPPES UpdateJune 2, 20262 updates tracked since enumeration
NPPES CertifiedJune 2, 2026
✔ NPI 1861875742 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MA · 1026600
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 ListedCounselor · Mental HealthTaxonomy 101YM0800X
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License 3014147 (MA)
1439 CAMBRIDGE ST, Cambridge, MA 02139
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Tyler Schaeffer Md 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02139 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 10

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

DR. JAMES MARTIN QUINN MD
Anesthesiology
1439 CAMBRIDGE ST, CAMBRIDGE HOSPITAL ANESTHESIA
CAMBRIDGE, MA 02139
Middlesex County (617) 665-1630
CAMILA RENE AZUERO MSW, LICSW
Social Worker (Clinical)
1439 CAMBRIDGE ST
CAMBRIDGE, MA 02139
Middlesex County (617) 575-5661
KIANA TUCKER
Licensed Practical Nurse
1439 CAMBRIDGE ST
CAMBRIDGE, MA 02139
Middlesex County (617) 665-1000
MR. JAMES BREW MCKENZIE
Psychiatry & Neurology (Child & Adolescent Psychiatry)
1439 CAMBRIDGE ST
CAMBRIDGE, MA 02139
Middlesex County (617) 665-1187
MS. ALEXANDRA SANTAMARIA PHARMD
Pharmacist
1439 CAMBRIDGE ST
CAMBRIDGE, MA 02139
Middlesex County (617) 665-2738
DANNY DO
Internal Medicine
1439 CAMBRIDGE ST
CAMBRIDGE, MA 02139
Middlesex County (617) 665-1000
LAURA JANE MILLER M.D.
Psychiatry & Neurology (Psychiatry)
1439 CAMBRIDGE ST, ROOM 206 MACHT BUILDING
CAMBRIDGE, MA 02139
Middlesex County (617) 665-1187
DR. DAVID STEPHEN SIRIGNANO PHARM.D.
Pharmacist
1439 CAMBRIDGE ST
CAMBRIDGE, MA 02139
Middlesex County (617) 665-1438

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 Tyler Schaeffer's NPI number?

The NPI number for Tyler Schaeffer is 1861875742. It was assigned to this individual provider in the NPPES registry on July 9, 2015.

Where is Tyler Schaeffer located?

Tyler Schaeffer practices at 1439 Cambridge St, Cambridge, MA 02139. The listed phone number is (617) 665-1068.

What is Tyler Schaeffer's specialty?

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

Is Tyler Schaeffer enrolled in Medicare?

Yes. Tyler Schaeffer is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Tyler Schaeffer was last updated on June 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.