Doctor profile · Federal record

Dr. Michael Arenstein, MD

Otolaryngology Physician · Gaithersburg, MD

  • NPI 1922091792
  • MIPS 75.0 / 100 · 2023
  • 21 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
818 W Diamond Ave, Ste. 120
Gaithersburg, MD 208781417
(301) 963-6334
fax (301) 869-7204

Credentials & registration

NPPES · NUCC
NPI registered
August 2005 — 21 yrs on file
Profile last updated
March 24, 2017
Specialty taxonomy
207Y00000X — NUCC code
State license (1)
Maryland #D0044852

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1922091792. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
991
Distinct HCPCS
8
Medicare allowed
$98,818
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 330 232 $101
69210 Removal of impacted ear wax 250 213 $53
99203 New patient office or other outpatient visit, 30-44 minutes 119 119 $126
99212 Established patient office or other outpatient visit, 10-19 minutes 95 83 $64
99214 Established patient office or other outpatient visit, 30-39 minutes 82 60 $135
31231 Diagnostic exam of nasal passages using an endoscope 56 42 $225
31575 Diagnostic exam of voice box using a flexible endoscope 45 37 $147
G0268 Removal of impacted cerumen (one or both ears) by physician on same date of service as audiologic function testing 14 14 $61

In context: peer comparison

Among 4 peers in Gaithersburg Otolaryngology Physician, average services per provider: 105. This provider delivers 9.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$21
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Boston Scientific Corporation 1 $21.20

By nature of payment

Food and Beverage
$21

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
146
Patients
51
Total drug cost
$9,557
Drug Type Claims Patients Total cost
Ipratropium Bromide Generic 49 19 $2,302
Mometasone Furoate Generic 35 20 $1,600
Fluticasone Propionate Generic 26 12 $578
Ciprofloxacin-Dexamethasone (Ciprofloxacin Hcl/Dexameth) Brand 13 0 $1,800
Ofloxacin Generic 12 0 $3,020
Ciprofloxacin Hcl Generic 11 0 $257

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Arenstein's medical specialty?
Dr. Michael Arenstein practices Otolaryngology Physician in Gaithersburg, MD.
Where does Dr. Michael Arenstein practice?
Dr. Michael Arenstein practices at 818 W Diamond Ave, Gaithersburg, MD 208781417. Office phone: 3019636334.
What is Dr. Michael Arenstein's NPI?
Dr. Michael Arenstein's National Provider Identifier (NPI) is 1922091792, issued by NPPES.
What procedures does Dr. Michael Arenstein commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Removal of impacted ear wax (HCPCS 69210); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.