JEFFREY C BASS MD
NPI 1952350969
Internal Medicine in Chestnut Hill, MA

Active since May 08, 2006PECOS EnrolledAccepts Medicare Assignment
11.62/100
CMS Quality Rating
25 BOYLSTON ST, UNIT 312, CHESTNUT HILL, MA 02467(617) 307-3200(617) 307-3201 Get Directions Write a Review

NPPES record last updated: June 5, 2009. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About Jeffrey C Bass Md NPPES

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

JEFFREY C BASS MD (NPI 1952350969) is an individual internal medicine provider in Chestnut Hill, Massachusetts, licensed in Massachusetts (53774) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of Perelman School Of Med At The University Of Pennsylvania (1982).

NPPES Registry Identity

NPI1952350969
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameJEFFREY C BASSCredential: MD
Location Address25 BOYLSTON ST, UNIT 312Chestnut Hill, MA 02467-1715
Mailing Address25 Boylston St, Unit 312Chestnut Hill, MA 02467-1715 · (617) 307-3200 · Fax (617) 307-3201
Fax(617) 307-3201
Sole ProprietorNo
Medical School CMSPerelman School Of Med At The University Of PennsylvaniaGraduated 1982
Enumeration DateMay 8, 2006
Last NPPES UpdateJune 5, 2009
NPI 1952350969 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 · 53774
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.
25 BOYLSTON ST, Chestnut Hill, MA 02467

Other Identifiers 3

Medicare UPINB97774MA
Medicaid6185142MA
Medicare PINJ04017MA

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

Jeffrey C Bass 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 ID5991751364
PECOS Enrollment IDI20050329000697
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 7

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.
339 services191 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
226 services221 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
206 services113 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
155 services154 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
118 services117 patients
Influenza vaccine split virus, preservative free 90662
The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.
106 services105 patients

Hospital Affiliations CMS Care Compare 5

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

Emerson Hospital -

Acute Care Hospitals · W Concord, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220084
Location133 Old Road To 9 Acre CornerW Concord, MA 01742 · Middlesex 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

Faulkner Hospital-Brigham And Women's

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220119
Location1153 Centre StreetBoston, MA 02130 · Suffolk County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02467 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

11.62/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality0
Improvement Activities0
Cost38.73

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
6 suppliers11 claims34 services$6.22 avg. paid by Medicare
Filter, disposable, used with positive airway pressure device A7038
DME-Other DME · category DE001N
2 suppliers12 claims72 services$1.95 avg. paid by Medicare
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
2 suppliers15 claims15 services$172.50 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Internal Medicine (Nephrology)
25 BOYLSTON ST, SUITE 308
CHESTNUT HILL, MA 02467
Allergy & Immunology (Allergy)
25 BOYLSTON ST, SUITE 215
CHESTNUT HILL, MA 02467
Internal Medicine
25 BOYLSTON ST, SUITE 204
CHESTNUT HILL, MA 02467
Pediatrics
25 BOYLSTON ST, SUITE 112
CHESTNUT HILL, MA 02467
Dentist (General Practice)
25 BOYLSTON ST, SUITE L15
CHESTNUT HILL, MA 02467
Clinic/Center (Primary Care)
25 BOYLSTON ST, SUITE 308
CHESTNUT HILL, MA 02467
Internal Medicine
25 BOYLSTON ST, STE. 204
CHESTNUT HILL, MA 02467
Exclusive Provider Organization
25 BOYLSTON ST, SUITE 211
CHESTNUT HILL, MA 02467

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 Jeffrey Bass's NPI number?

The NPI number for Jeffrey Bass is 1952350969. It was assigned to this individual provider in the NPPES registry on May 8, 2006.

Where is Jeffrey Bass located?

Jeffrey Bass practices at 25 Boylston St Unit 312, Chestnut Hill, MA 02467. The listed phone number is (617) 307-3200.

What is Jeffrey Bass's specialty?

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

Is Jeffrey Bass enrolled in Medicare?

Yes. Jeffrey Bass 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 Jeffrey Bass accept?

Health plans from Anthem Blue Cross and Blue Shield list Jeffrey Bass 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 Jeffrey Bass affiliated with any hospitals?

According to CMS data, Jeffrey Bass is affiliated with Massachusetts General Hospital, Emerson Hospital -, Newton-Wellesley Hospital, Brigham And Women's Hospital and Faulkner Hospital-Brigham And Women's.

When was this NPI record last updated?

The NPPES record for Jeffrey Bass was last updated on June 5, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.