Doctor profile · Federal record

Dr. Trevor Bayliss, M.D.

Hematology & Oncology Physician (CMS: Hematology) · Internal Medicine Physician · Pittsfield, MA

  • NPI 1982821906
  • Accepts Medicare
  • 19 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
165 Tor CT
Pittsfield, MA 012013001
(413) 443-6000
Additional location
1 Medical Center Dr, Dartmouth-Hichcock Medical Center
Lebanon, NH 037561000
(603) 650-8626
Mailing address
1 Medical Center Dr, Dartmouth-Hichcock Medical Center
Lebanon, NH 037561000

Credentials & registration

NPPES · NUCC
NPI registered
April 2007 — 19 yrs on file
Profile last updated
August 16, 2018
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State licenses (2)
Massachusetts #254002 · New Hampshire #14613

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1982821906. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,788
Distinct HCPCS
10
Medicare allowed
$209,516
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 643 430 $100
99215 Established patient office or other outpatient visit, 40-54 minutes 490 187 $147
99213 Established patient office or other outpatient visit, 20-29 minutes 171 154 $68
99205 New patient office or other outpatient visit, 60-74 minutes 98 98 $186
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 90 79 $178
99443 Telephone medical discussion with physician, 21-30 minutes 81 65 $100
99442 Telephone medical discussion with physician, 11-20 minutes 79 70 $68
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 33 29 $122
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 26 22 $81
99204 New patient office or other outpatient visit, 45-59 minutes 24 24 $137

In context: peer comparison

Among 1 peers in this city , average services per provider: 137. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$38
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
E.R. Squibb & Sons, L.L.C. 1 $20.83
Celgene Corporation 1 $17.49

By nature of payment

Education
$21
Food and Beverage
$17

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
728
Patients
157
Total drug cost
$837,463
Drug Type Claims Patients Total cost
Anastrozole Generic 101 17 $1,777
Oxycodone Hcl Generic 82 24 $1,067
Letrozole Generic 55 18 $1,651
Prednisone Generic 55 19 $190
Eliquis (Apixaban) Brand 51 12 $39,041
Abiraterone Acetate Generic 45 0 $198,348
Gabapentin Generic 45 0 $421
Xarelto (Rivaroxaban) Brand 44 0 $32,485
Ondansetron Hcl Generic 41 13 $348
Tamoxifen Citrate Generic 40 12 $1,064

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Trevor Bayliss's medical specialty?
Dr. Trevor Bayliss practices Hematology & Oncology Physician in Pittsfield, MA.
Where does Dr. Trevor Bayliss practice?
Dr. Trevor Bayliss practices at 165 Tor CT, Pittsfield, MA 012013001. Office phone: 4134436000.
What is Dr. Trevor Bayliss's NPI?
Dr. Trevor Bayliss's National Provider Identifier (NPI) is 1982821906, issued by NPPES.
Does Dr. Trevor Bayliss accept Medicare assignment?
Yes. Dr. Trevor Bayliss accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Trevor Bayliss 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.