Doctor profile · Federal record

Dr. Jeffrey Bass, MD

Internal Medicine Physician (CMS: Internal Medicine) · Chestnut Hill, MA

  • NPI 1952350969
  • Accepts Medicare
  • MIPS 11.6 / 100 · 2023
  • 44 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
25 Boylston St, Unit 312
Chestnut Hill, MA 024671715
(617) 307-3200
fax (617) 307-3201

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
June 5, 2009
Year of graduation
1982 — 44 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Massachusetts #53774
Medicaid
MA #6185142

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1952350969. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,211
Distinct HCPCS
10
Medicare allowed
$129,844
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 311 177 $139
99215 Established patient office or other outpatient visit, 40-54 minutes 231 226 $196
99213 Established patient office or other outpatient visit, 20-29 minutes 201 121 $100
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 152 145 $16
90662 Influenza vaccine split virus, preservative free 86 86 $71
G0008 Administration of influenza virus vaccine 86 86 $27
99212 Established patient office or other outpatient visit, 10-19 minutes 65 46 $63
90480 Admn sarscov2 vacc 1 dose 25 25 $39
91322 Sarscov2 vac 50 mcg/0.5ml im 24 24 $143
G0009 Administration of pneumococcal vaccine 19 19 $25

In context: peer comparison

Among 22 peers in this city , average services per provider: 78. This provider delivers 16× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,897
Patients
548
Total drug cost
$202,977
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 370 108 $8,940
Lisinopril Generic 168 50 $1,584
Metoprolol Succinate Generic 157 53 $5,846
Levothyroxine Sodium Generic 139 36 $2,177
Amlodipine Besylate Generic 135 40 $1,119
Eliquis (Apixaban) Brand 126 30 $158,336
Hydrochlorothiazide Generic 123 38 $351
Trazodone Hcl Generic 109 42 $1,924
Rosuvastatin Calcium Generic 95 30 $12,733
Gabapentin Generic 93 22 $1,259

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Jeffrey Bass's medical specialty?
Dr. Jeffrey Bass practices Internal Medicine Physician in Chestnut Hill, MA.
Where does Dr. Jeffrey Bass practice?
Dr. Jeffrey Bass practices at 25 Boylston St, Chestnut Hill, MA 024671715. Office phone: 6173073200.
What is Dr. Jeffrey Bass's NPI?
Dr. Jeffrey Bass's National Provider Identifier (NPI) is 1952350969, issued by NPPES.
Does Dr. Jeffrey Bass accept Medicare assignment?
Yes. Dr. Jeffrey Bass accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jeffrey Bass commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.