Doctor profile · Federal record

Dr. Jennifer Gwilym, D.O.

Family Medicine Physician (CMS: Family Practice) · Lancaster, OH

  • NPI 1972527547
  • Accepts Medicare
  • 23 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
220 E Walnut St
Lancaster, OH 431304464
(740) 277-6043
fax (740) 277-7595

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
January 7, 2026
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Ohio #34.008544
Medicaid
OH #2667458

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1972527547. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,832
Distinct HCPCS
10
Medicare allowed
$52,625
HCPCS Description Services Patients Avg allowed
J7345 Aminolevulinic acid hcl for topical administration, 10% gel, 10 mg 2,800 11 $2
17003 Destruction of precancer skin growth, 2-14 growths 505 66 $6
99213 Established patient office or other outpatient visit, 20-29 minutes 160 119 $86
17000 Destruction of precancer skin growth, 1 growth 111 70 $49
11102 Biopsy of related skin growth, first growth 77 62 $87
99212 Established patient office or other outpatient visit, 10-19 minutes 52 41 $53
17110 Destruction of skin growth, 1-14 growths 50 40 $106
17004 Destruction of precancer skin growth, 15 or more growths 26 18 $159
99203 New patient office or other outpatient visit, 30-44 minutes 18 18 $108
11103 Biopsy of related skin growth, each additional growth 17 16 $47

In context: peer comparison

Among 14 peers in Lancaster Family Medicine Physician, average services per provider: 124. This provider delivers 31× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$17
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Janssen Biotech, INC. 1 $16.88

By nature of payment

Food and Beverage
$17

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
198
Patients
130
Total drug cost
$58,847
Drug Type Claims Patients Total cost
Clobetasol Propionate Generic 54 38 $3,786
Triamcinolone Acetonide Generic 50 39 $429
Ketoconazole Generic 40 23 $669
Fluocinolone Acetonide Generic 23 17 $1,225
Mupirocin Generic 18 13 $174
Dupixent Pen (Dupilumab) Brand 13 0 $52,564

Frequently asked questions

Auto-generated from federal data
What is Dr. Jennifer Gwilym's medical specialty?
Dr. Jennifer Gwilym practices Family Medicine Physician in Lancaster, OH.
Where does Dr. Jennifer Gwilym practice?
Dr. Jennifer Gwilym practices at 220 E Walnut St, Lancaster, OH 431304464. Office phone: 7402776043.
What is Dr. Jennifer Gwilym's NPI?
Dr. Jennifer Gwilym's National Provider Identifier (NPI) is 1972527547, issued by NPPES.
Does Dr. Jennifer Gwilym accept Medicare assignment?
Yes. Dr. Jennifer Gwilym accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jennifer Gwilym commonly perform?
Top Medicare-reported procedures in 2023: Aminolevulinic acid hcl for topical administration, 10% gel, 10 mg (HCPCS J7345); Destruction of precancer skin growth, 2-14 growths (HCPCS 17003); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.