Doctor profile · Federal record

Dr. Timothy Warren, DO

Family Medicine Physician (CMS: Family Practice) · Hummelstown, PA

  • NPI 1902435373
  • Accepts Medicare
  • MIPS 82.5 / 100 · 2023
  • 6 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
300 E Main St
Hummelstown, PA 170361725
(717) 566-1100
fax (717) 566-0600
Additional location
4300 Londonderry RD
Harrisburg, PA 171095317
(717) 576-0551
Additional location
6481 Carlisle Pike
Mechanicsburg, PA 170502377
(717) 796-9355
fax (717) 620-8093
Mailing address
7 Dock Hill RD
Middleburg, PA 178428910

Credentials & registration

NPPES · NUCC
NPI registered
April 2020 — 6 yrs on file
Profile last updated
April 7, 2025
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Pennsylvania #OS021581

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1902435373. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
111
Distinct HCPCS
4
Medicare allowed
$6,955
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 71 68 $86
71046 X-ray of chest, 2 views 14 14 $31
81003 Automated urinalysis test 14 14 $2
87428 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza 12 11 $30

In context: peer comparison

Among 5 peers in Hummelstown Family Medicine Physician, average services per provider: 132. This provider delivers 0.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
82
Patients
80
Total drug cost
$730
Drug Type Claims Patients Total cost
Methylprednisolone Generic 33 32 $345
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 21 20 $229
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 16 16 $34
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 12 12 $123

Frequently asked questions

Auto-generated from federal data
What is Dr. Timothy Warren's medical specialty?
Dr. Timothy Warren practices Family Medicine Physician in Hummelstown, PA.
Where does Dr. Timothy Warren practice?
Dr. Timothy Warren practices at 300 E Main St, Hummelstown, PA 170361725. Office phone: 7175661100.
What is Dr. Timothy Warren's NPI?
Dr. Timothy Warren's National Provider Identifier (NPI) is 1902435373, issued by NPPES.
Does Dr. Timothy Warren accept Medicare assignment?
Yes. Dr. Timothy Warren accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Timothy Warren commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); X-ray of chest, 2 views (HCPCS 71046); Automated urinalysis test (HCPCS 81003). Source: CMS Medicare Physician & Other Practitioners file.