Doctor profile · Federal record

Dr. Peter Stillwell, MD

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Ephrata, PA

  • NPI 1659314227
  • Accepts Medicare
  • 30 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 11 locations across 1 states.

NPPES Updated May 11, 2026
Primary practice
169 Martin Ave
Ephrata, PA 175221724
(717) 738-6414
fax (717) 738-6690
Mailing address
601 Memory Ln
York, PA 174022231
Pennsylvania — 10 locations
Additional location
1201 Letort Springs Way
Carlisle, PA 170158011
(717) 674-7600
Additional location
147 Gettys St
Gettysburg, PA 173252534
(717) 337-4207
Additional location
14781 Wolfe RD
New Freedom, PA 173499571
(717) 326-1880
Additional location
250 College Ave
Lancaster, PA 176033363
(717) 735-8199
Additional location
252 S 4Th St
Lebanon, PA 170426111
(717) 270-7732
Additional location
35 Erick RD
Lancaster, PA 176013111
(717) 690-0785
Additional location
35 Monument RD Ste 201
York, PA 174035074
(717) 812-4083
Additional location
36 Robinhood Dr
Etters, PA 173199528
(717) 388-7300
Additional location
460 N Reading RD
Ephrata, PA 175229606
(717) 721-4840
Additional location
844 Tuck St
Lebanon, PA 170427477
(717) 639-3915

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
February 9, 2026
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State license (1)
Pennsylvania #MD074046L
Medicaid
PA #001852794

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659314227. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,456
Distinct HCPCS
10
Medicare allowed
$108,740
HCPCS Description Services Patients Avg allowed
77063 Screening 3d breast mammography 487 487 $28
77067 Screening mammography 487 487 $35
77063 Screening 3d breast mammography 470 470 $28
77067 Screening mammography 469 469 $35
71045 X-ray of chest, 1 view 257 236 $9
G0279 Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) 120 118 $28
70450 Ct scan head or brain without contrast 114 112 $39
71046 X-ray of chest, 2 views 103 103 $10
76642 Limited ultrasound scan of 1 breast 93 91 $33
71046 X-ray of chest, 2 views 87 85 $10

In context: peer comparison

Among 5 peers in this city , average services per provider: 96. This provider delivers 36× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Peter Stillwell's medical specialty?
Dr. Peter Stillwell practices Diagnostic Radiology Physician in Ephrata, PA.
Where does Dr. Peter Stillwell practice?
Dr. Peter Stillwell practices at 169 Martin Ave, Ephrata, PA 175221724. Office phone: 7177386414.
What is Dr. Peter Stillwell's NPI?
Dr. Peter Stillwell's National Provider Identifier (NPI) is 1659314227, issued by NPPES.
Does Dr. Peter Stillwell accept Medicare assignment?
Yes. Dr. Peter Stillwell accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Peter Stillwell commonly perform?
Top Medicare-reported procedures in 2023: Screening 3d breast mammography (HCPCS 77063); Screening mammography (HCPCS 77067); Screening 3d breast mammography (HCPCS 77063). Source: CMS Medicare Physician & Other Practitioners file.