Doctor profile · Federal record

Dr. Mark Fenster, M.D.

Mohs-Micrographic Surgery Physician · Procedural Dermatology Physician · Dayton, OH

  • NPI 1639197049
  • MIPS 100.0 / 100 · 2023
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5300 Far Hills Ave.
Dayton, OH 454292347
(937) 433-7536
fax (937) 433-9612

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
August 3, 2016
Specialty taxonomy
207ND0101X — NUCC code
State license (1)
Ohio #35072837F

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639197049. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
888
Distinct HCPCS
10
Medicare allowed
$328,309
HCPCS Description Services Patients Avg allowed
17311 Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks 298 243 $560
99213 Established patient office or other outpatient visit, 20-29 minutes 122 92 $86
13132 Complicated repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet, 2.6-7.5 cm 115 103 $222
17312 Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks 115 84 $379
13121 Complicated repair of wound of scalp, arms, or legs, 2.6-7.5 cm 41 38 $256
17313 Removal and microscopic exam of growth of trunk, arms, or legs, 1-5 tissue blocks 33 29 $573
13152 Complicated repair of wound of eyelids, nose, ears, or lip, 2.6-7.5 cm 32 31 $236
11102 Biopsy of related skin growth, first growth 28 22 $80
13133 Complicated repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet, each additional 5.0 cm or less 25 25 $161
14061 Repair of wound of eyelids, nose, ears, or lips by transferring skin, 10.1-30.0 sq cm 22 22 $945

In context: peer comparison

Among 2 peers in this city , average services per provider: 77. This provider delivers 12× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
360
Patients
317
Total drug cost
$6,883
Drug Type Claims Patients Total cost
Cefdinir Generic 160 144 $2,655
Cefadroxil Generic 91 88 $794
Azithromycin Generic 27 25 $223
Fluorouracil Generic 23 15 $2,578
Silver Sulfadiazine Generic 21 20 $223
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 14 14 $27
Ssd (Silver Sulfadiazine) Brand 13 11 $112
Doxycycline Monohydrate Generic 11 0 $269

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Fenster's medical specialty?
Dr. Mark Fenster practices Mohs-Micrographic Surgery Physician in Dayton, OH.
Where does Dr. Mark Fenster practice?
Dr. Mark Fenster practices at 5300 Far Hills Ave., Dayton, OH 454292347. Office phone: 9374337536.
What is Dr. Mark Fenster's NPI?
Dr. Mark Fenster's National Provider Identifier (NPI) is 1639197049, issued by NPPES.
What procedures does Dr. Mark Fenster commonly perform?
Top Medicare-reported procedures in 2023: Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks (HCPCS 17311); Established patient office or other outpatient visit (HCPCS 99213); Complicated repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet, 2.6-7.5 cm (HCPCS 13132). Source: CMS Medicare Physician & Other Practitioners file.