Doctor profile · Federal record

Dr. Anthony Chismark, MD

Colon & Rectal Surgery Physician (CMS: Colorectal Surgery (Proctology)) · Surgery Physician · Exeter, NH

  • NPI 1679583389
  • Accepts Medicare
  • MIPS 75.2 / 100 · 2023
  • 26 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3 Alumni Dr, Ste 201
Exeter, NH 038332119
(603) 775-7405
fax (603) 775-7424
Mailing address
Po Box 655
Exeter, NH 038330655

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
February 22, 2012
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
208C00000X — NUCC code
State license (1)
New Hampshire #13146
Medicaid
NH #30206138

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1679583389. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
198
Distinct HCPCS
7
Medicare allowed
$20,910
HCPCS Description Services Patients Avg allowed
46600 Diagnostic exam of anus using an endoscope 46 42 $115
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 39 23 $76
99204 New patient office or other outpatient visit, 45-59 minutes 32 32 $155
99214 Established patient office or other outpatient visit, 30-39 minutes 29 21 $123
46600 Diagnostic exam of anus using an endoscope 21 20 $39
99214 Established patient office or other outpatient visit, 30-39 minutes 19 16 $94
99204 New patient office or other outpatient visit, 45-59 minutes 12 12 $128

In context: peer comparison

Among 1 peers in Exeter Colon & Rectal Surgery Physician, average services per provider: 28. This provider delivers 7.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$131
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Boston Scientific Corporation 1 $131.20

By nature of payment

Food and Beverage
$131

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
41
Patients
41
Total drug cost
$276
Drug Type Claims Patients Total cost
Metronidazole Generic 21 21 $113
Neomycin Sulfate Generic 20 20 $163

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Anthony Chismark's medical specialty?
Dr. Anthony Chismark practices Colon & Rectal Surgery Physician in Exeter, NH.
Where does Dr. Anthony Chismark practice?
Dr. Anthony Chismark practices at 3 Alumni Dr, Exeter, NH 038332119. Office phone: 6037757405.
What is Dr. Anthony Chismark's NPI?
Dr. Anthony Chismark's National Provider Identifier (NPI) is 1679583389, issued by NPPES.
Does Dr. Anthony Chismark accept Medicare assignment?
Yes. Dr. Anthony Chismark accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Anthony Chismark commonly perform?
Top Medicare-reported procedures in 2023: Diagnostic exam of anus using an endoscope (HCPCS 46600); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.