Doctor profile · Federal record

Dr. Mark Simmons, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Lancaster, PA

  • NPI 1619959285
  • Accepts Medicare
  • 31 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2110 Harrisburg Pike, Suite 100
Lancaster, PA 176012644
(717) 544-3191
fax (717) 544-3637

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
September 6, 2007
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Pennsylvania #MD064373L
Medicaid
PA #1018709640001

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1619959285. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
738
Distinct HCPCS
5
Medicare allowed
$78,781
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 538 296 $122
G0008 Administration of influenza virus vaccine 87 87 $29
90662 Influenza vaccine split virus, preservative free 83 83 $72
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 15 15 $282
G0009 Administration of pneumococcal vaccine 15 15 $29

In context: peer comparison

Among 33 peers in Lancaster Internal Medicine Physician, average services per provider: 100. This provider delivers 7.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,345
Patients
741
Total drug cost
$25,855
Drug Type Claims Patients Total cost
Lisinopril Generic 267 89 $1,837
Atorvastatin Calcium Generic 247 86 $2,755
Levothyroxine Sodium Generic 246 69 $2,854
Losartan Potassium Generic 212 60 $2,484
Amlodipine Besylate Generic 193 63 $1,266
Omeprazole Generic 185 61 $2,114
Metformin Hcl Generic 151 48 $1,267
Pravastatin Sodium Generic 144 50 $2,330
Rosuvastatin Calcium Generic 134 47 $2,735
Simvastatin Generic 119 37 $945

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Simmons's medical specialty?
Dr. Mark Simmons practices Internal Medicine Physician in Lancaster, PA.
Where does Dr. Mark Simmons practice?
Dr. Mark Simmons practices at 2110 Harrisburg Pike, Lancaster, PA 176012644. Office phone: 7175443191.
What is Dr. Mark Simmons's NPI?
Dr. Mark Simmons's National Provider Identifier (NPI) is 1619959285, issued by NPPES.
Does Dr. Mark Simmons accept Medicare assignment?
Yes. Dr. Mark Simmons accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Simmons commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Administration of influenza virus vaccine (HCPCS G0008); Influenza vaccine split virus, preservative free (HCPCS 90662). Source: CMS Medicare Physician & Other Practitioners file.