Doctor profile · Federal record

Dr. Mark Shelley, M.D.

Family Medicine Physician (CMS: Family Practice) · Port Allegany, PA

  • NPI 1336106954
  • Accepts Medicare
  • 41 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 Willow St
Port Allegany, PA 167431332
(814) 642-9531
fax (814) 642-2020

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
November 24, 2010
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Pennsylvania #MD029656E
Medicaid
PA #001403288001

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1336106954. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
66
Distinct HCPCS
3
Medicare allowed
$3,915
HCPCS Description Services Patients Avg allowed
99491 Chronic care management services for two or more chronic conditions, first 30 minutes provided personally by health care professional, per calendar month 28 25 $81
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 24 24 $60
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 14 13 $14

In context: peer comparison

Among 1 peers in this city , average services per provider: 22. This provider delivers 3.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,436
Patients
498
Total drug cost
$156,669
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 440 54 $6,244
Lisinopril Generic 399 56 $2,969
Eliquis (Apixaban) Brand 397 34 $107,238
Furosemide Generic 385 35 $2,022
Quetiapine Fumarate Generic 328 27 $4,930
Spironolactone Generic 312 47 $2,933
Lactulose Generic 303 34 $4,232
Pantoprazole Sodium Generic 294 33 $3,753
Gabapentin Generic 279 34 $3,715
Potassium Chloride Generic 269 28 $3,745

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Shelley's medical specialty?
Dr. Mark Shelley practices Family Medicine Physician in Port Allegany, PA.
Where does Dr. Mark Shelley practice?
Dr. Mark Shelley practices at 1 Willow St, Port Allegany, PA 167431332. Office phone: 8146429531.
What is Dr. Mark Shelley's NPI?
Dr. Mark Shelley's National Provider Identifier (NPI) is 1336106954, issued by NPPES.
Does Dr. Mark Shelley accept Medicare assignment?
Yes. Dr. Mark Shelley accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Shelley commonly perform?
Top Medicare-reported procedures in 2023: Chronic care management services for two or more chronic conditions (HCPCS 99491); Chronic care management services (HCPCS 99490); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000). Source: CMS Medicare Physician & Other Practitioners file.