Doctor profile · Federal record

Dr. Calvin Knowles

Physician Assistant · Manchester, NH

  • NPI 1497345706
  • Accepts Medicare
  • 4 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
100 McGregor St
Manchester, NH 031023770
(603) 669-0413
fax (603) 663-6350
Additional location
56 North St
Proctor, VT 057651159
(802) 310-8831
Mailing address
56 North St
Proctor, VT 057651159

Credentials & registration

NPPES · NUCC
NPI registered
January 2021 — 5 yrs on file
Profile last updated
July 27, 2023
Year of graduation
2022 — 4 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
New Hampshire #2041

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1497345706. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
47
Distinct HCPCS
2
Medicare allowed
$3,551
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 27 27 $82
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 20 15 $67

In context: peer comparison

Among 38 peers in this city , average services per provider: 127. This provider delivers 0.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$19
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Janssen Pharmaceuticals, Inc 1 $19.43

By nature of payment

Food and Beverage
$19

Frequently asked questions

Auto-generated from federal data
What is Dr. Calvin Knowles's medical specialty?
Dr. Calvin Knowles practices Physician Assistant in Manchester, NH.
Where does Dr. Calvin Knowles practice?
Dr. Calvin Knowles practices at 100 McGregor St, Manchester, NH 031023770. Office phone: 6036690413.
What is Dr. Calvin Knowles's NPI?
Dr. Calvin Knowles's National Provider Identifier (NPI) is 1497345706, issued by NPPES.
Does Dr. Calvin Knowles accept Medicare assignment?
Yes. Dr. Calvin Knowles accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Calvin Knowles commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.