Doctor profile · Federal record

Dr. Mark Clark, RN, MSN

Certified Registered Nurse Anesthetist · Certified Registered Nurse Anesthetist · York, PA

  • NPI 1649516584
  • 14 yrs on file
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
25 Monument RD Ste 270
York, PA 174035073
(717) 741-8250
fax (717) 741-8289
Additional location
2080 Child St
Jacksonville, FL 322145005
(904) 542-7631
Additional location
8901 Wisconsin Ave
Bethesda, MD 208895005
(240) 205-9240
Mailing address
3421 Concord RD
York, PA 174029001

Credentials & registration

NPPES · NUCC
NPI registered
December 2012 — 14 yrs on file
Profile last updated
July 21, 2022
Specialty taxonomy
367500000X — NUCC code
State licenses (2)
Pennsylvania #RN576200 · Maryland #R227805

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1649516584. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
776
Distinct HCPCS
4
Medicare allowed
$92,441
HCPCS Description Services Patients Avg allowed
00811 Anesthesia for other procedure on large bowel using an endoscope 310 309 $118
00812 Anesthesia for exam of colon using an endoscope 175 175 $93
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 164 161 $126
00813 Anesthesia for procedure on small and large bowel using an endoscope 127 127 $148

In context: peer comparison

Among 37 peers in this city , average services per provider: 35. This provider delivers 22× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$160
Transactions
6
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Takeda Pharmaceuticals U.S.A., Inc. 5 $142.24
Medtronic, Inc. 1 $18.24

By nature of payment

Food and Beverage
$160

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Clark's medical specialty?
Dr. Mark Clark practices Certified Registered Nurse Anesthetist in York, PA.
Where does Dr. Mark Clark practice?
Dr. Mark Clark practices at 25 Monument RD Ste 270, York, PA 174035073. Office phone: 7177418250.
What is Dr. Mark Clark's NPI?
Dr. Mark Clark's National Provider Identifier (NPI) is 1649516584, issued by NPPES.
What procedures does Dr. Mark Clark commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811); Anesthesia for exam of colon using an endoscope (HCPCS 00812); Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731). Source: CMS Medicare Physician & Other Practitioners file.