Doctor profile · Federal record

Dr. Michael Buff, MD

Hematology & Oncology Physician (CMS: Medical Oncology) · Hematology & Oncology Physician · Internal Medicine Physician · Concord, NH

  • NPI 1699811547
  • Accepts Medicare
  • 25 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
250 Pleasant St
Concord, NH 033017559
(036) 226-4846
fax (603) 622-7438
Mailing address
11 Kimball Dr Unit 125
Hooksett, NH 031062623

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
October 29, 2024
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State licenses (2)
New Hampshire #13422 · Massachusetts #217012
Medicaid
NH #30206734

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1699811547. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
20,628
Distinct HCPCS
10
Medicare allowed
$498,379
HCPCS Description Services Patients Avg allowed
J9263 Injection, oxaliplatin, 0.5 mg 7,900 12 $0
J9271 Injection, pembrolizumab, 1 mg 5,400 11 $48
J0185 Injection, aprepitant, 1 mg 2,080 11 $2
J1100 Injection, dexamethasone sodium phosphate, 1 mg 1,410 51 $0
J2469 Injection, palonosetron hcl, 25 mcg 600 35 $1
99214 Established patient office or other outpatient visit, 30-39 minutes 520 213 $129
J0640 Injection, leucovorin calcium, per 50 mg 430 15 $4
J9190 Injection, fluorouracil, 500 mg 315 15 $2
99213 Established patient office or other outpatient visit, 20-29 minutes 282 184 $91
99214 Established patient office or other outpatient visit, 30-39 minutes 249 106 $96

In context: peer comparison

Among 1 peers in this city , average services per provider: 625. This provider delivers 33× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$226
Transactions
3
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 1 $105.37
PFIZER INC. 1 $98.91
Janssen Pharmaceuticals, Inc 1 $22.00

By nature of payment

Food and Beverage
$204
Education
$22

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
494
Patients
132
Total drug cost
$202,471
Drug Type Claims Patients Total cost
Letrozole Generic 103 37 $3,418
Dexamethasone Generic 61 34 $1,147
Prednisone Generic 43 15 $339
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 40 0 $304
Tamoxifen Citrate Generic 36 14 $1,680
Abiraterone Acetate Generic 32 11 $179,346
Olanzapine Generic 30 21 $634
Potassium Chloride Generic 28 0 $161
Pantoprazole Sodium Generic 23 0 $116
Anastrozole Generic 20 0 $482

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Buff's medical specialty?
Dr. Michael Buff practices Hematology & Oncology Physician in Concord, NH.
Where does Dr. Michael Buff practice?
Dr. Michael Buff practices at 250 Pleasant St, Concord, NH 033017559. Office phone: 0362264846.
What is Dr. Michael Buff's NPI?
Dr. Michael Buff's National Provider Identifier (NPI) is 1699811547, issued by NPPES.
Does Dr. Michael Buff accept Medicare assignment?
Yes. Dr. Michael Buff accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Buff commonly perform?
Top Medicare-reported procedures in 2023: Injection, oxaliplatin, 0.5 mg (HCPCS J9263); Injection, pembrolizumab, 1 mg (HCPCS J9271); Injection, aprepitant, 1 mg (HCPCS J0185). Source: CMS Medicare Physician & Other Practitioners file.