Doctor profile · Federal record

Dr. Mark Tidswell, MD

Critical Care Medicine (Internal Medicine) Physician · Pulmonary Disease Physician · Springfield, MA

  • NPI 1699722066
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
759 Chestnut Street, S2668
Springfield, MA 01199
(413) 794-5439
fax (413) 794-5389
Mailing address
280 Chestnut Street, 2Nd Floor
Springfield, MA 01199

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
April 1, 2011
Specialty taxonomy
207RC0200X — NUCC code
State license (1)
Massachusetts #161219

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1699722066. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
141
Distinct HCPCS
2
Medicare allowed
$27,165
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 109 74 $214
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 32 26 $120

In context: peer comparison

Among 8 peers in this city , average services per provider: 84. This provider delivers 1.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$159
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Novartis Pharmaceuticals Corporation 1 $86.28
Dompe US, Inc. 1 $73.16

By nature of payment

Food and Beverage
$159

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Tidswell's medical specialty?
Dr. Mark Tidswell practices Critical Care Medicine (Internal Medicine) Physician in Springfield, MA.
Where does Dr. Mark Tidswell practice?
Dr. Mark Tidswell practices at 759 Chestnut Street, Springfield, MA 01199. Office phone: 4137945439.
What is Dr. Mark Tidswell's NPI?
Dr. Mark Tidswell's National Provider Identifier (NPI) is 1699722066, issued by NPPES.
What procedures does Dr. Mark Tidswell commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.