CARYL S. MATHER MD
NPI 1306959325
Internal Medicine in Cambridge, MA

Active since August 16, 2006PECOS EnrolledAccepts Medicare Assignment
75 MOUNT AUBURN ST, HAVARD UNIVERSITY HEALTH SERVICES, CAMBRIDGE, MA 02138(617) 496-9506 Get Directions Write a Review

NPPES record last updated: November 6, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Caryl S. Mather Md NPPES

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

CARYL S. MATHER MD (NPI 1306959325) is an individual internal medicine provider in Cambridge, Massachusetts, licensed in Massachusetts (158011) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS, is affiliated with Mount Auburn Hospital, and is a graduate of Ohio State University College Of Medicine (1995).

NPPES Registry Identity

NPI1306959325
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameCARYL S. MATHERCredential: MD
Location Address75 MOUNT AUBURN ST, HAVARD UNIVERSITY HEALTH SERVICESCambridge, MA 02138-4960
Mailing Address75 Mount Auburn St, Harvard University Health ServicesCambridge, MA 02138-4960 · (617) 496-8700 · Fax (617) 495-6059
Sole ProprietorNo
Medical School CMSOhio State University College Of MedicineGraduated 1995
Enumeration DateAugust 16, 2006
Last NPPES UpdateNovember 6, 2007
NPI 1306959325 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in MA · 158011
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.
75 MOUNT AUBURN ST, Cambridge, MA 02138

Other Identifiers 3

OtherJ19579MA · Bc/bs Of Mass
Medicare ID-Type UnspecifiedA28951MA
Medicare UPING82241MA

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

Caryl S. Mather 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 ID2668373432
PECOS Enrollment IDI20040115000374
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

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
15 services12 patients

Hospital Affiliations CMS Care Compare 2

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

Mount Auburn Hospital

Acute Care Hospitals · Cambridge, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220002
Location330 Mount Auburn StreetCambridge, MA 02138 · 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 02138 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.

Psychiatry & Neurology (Psychiatry)
75 MOUNT AUBURN ST, HARVARD UNIVERSITY HEALTH SERVICES
CAMBRIDGE, MA 02138
Internal Medicine
75 MOUNT AUBURN ST, HUHS
CAMBRIDGE, MA 02138
Pharmacy (Clinic Pharmacy)
75 MOUNT AUBURN ST
CAMBRIDGE, MA 02138
Social Worker
75 MOUNT AUBURN ST
CAMBRIDGE, MA 02138
Social Worker (Clinical)
75 MOUNT AUBURN ST, HARVARD UNIVERSITY HEALTH SERVICE
CAMBRIDGE, MA 02138
Pediatrics
75 MOUNT AUBURN ST
CAMBRIDGE, MA 02138
Psychiatry & Neurology (Psychiatry)
75 MOUNT AUBURN ST
CAMBRIDGE, MA 02138
Psychiatry & Neurology (Psychiatry)
75 MOUNT AUBURN ST
CAMBRIDGE, MA 02138

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 Caryl Mather's NPI number?

The NPI number for Caryl Mather is 1306959325. It was assigned to this individual provider in the NPPES registry on August 16, 2006.

Where is Caryl Mather located?

Caryl Mather practices at 75 Mount Auburn St Havard University Health Services, Cambridge, MA 02138. The listed phone number is (617) 496-9506.

What is Caryl Mather's specialty?

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

Is Caryl Mather enrolled in Medicare?

Yes. Caryl Mather 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 Caryl Mather affiliated with any hospitals?

According to CMS data, Caryl Mather is affiliated with Mount Auburn Hospital and Brigham And Women's Hospital.

When was this NPI record last updated?

The NPPES record for Caryl Mather was last updated on November 6, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.