Doctor profile · Federal record

Dr. Marc Siegelbaum, MD

Urology Physician (CMS: Urology) · Towson, MD

  • NPI 1578547287
  • Accepts Medicare
  • 44 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
7505 Osler Dr, Ste 506
Towson, MD 212047736
(410) 296-0167
fax (410) 296-0099
Additional location
1111 Mount Hermon RD
Salisbury, MD 218045109
(410) 546-2133
Additional location
314 Franklin Ave Ste 302
Berlin, MD 218111238
(410) 641-3735
Show 1 more location
Additional location
220 Pennsylvania Ave
Seaford, DE 199733820
(410) 391-6131
Mailing address
10200 Grand Central Ave Ste 220
Owings Mills, MD 211174366

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
June 13, 2025
Year of graduation
1982 — 44 yrs since
Specialty taxonomy
208800000X — NUCC code
State license (1)
Maryland #D0028348
Medicaid
MD #211501800

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1578547287. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,742
Distinct HCPCS
10
Medicare allowed
$290,317
HCPCS Description Services Patients Avg allowed
81003 Automated urinalysis test 724 540 $2
99214 Established patient office or other outpatient visit, 30-39 minutes 412 355 $136
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 343 96 $67
99213 Established patient office or other outpatient visit, 20-29 minutes 289 260 $96
36415 Insertion of needle into vein for collection of blood sample 285 244 $8
51798 Ultrasound measurement of bladder capacity after voiding 271 218 $12
76775 Limited ultrasound scan behind abdominal cavity 198 168 $64
J9217 Leuprolide acetate (for depot suspension), 7.5 mg 172 21 $170
52000 Diagnostic exam of bladder and urethra using an endoscope 166 146 $85
99439 Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month 161 73 $51

In context: peer comparison

Among 5 peers in Towson Urology Physician, average services per provider: 177. This provider delivers 21× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,426
Transactions
52
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Sumitomo Pharma America, INC. 13 $290.32
Progenics Pharmaceuticals, INC. 3 $155.93
Janssen Biotech, INC. 5 $147.14
Ferring Pharmaceuticals INC. 6 $115.56
Teleflex LLC 3 $86.86
Boston Scientific Corporation 3 $64.11
E.R. Squibb & Sons, L.L.C. 2 $63.53
Endo USA, INC. 3 $52.52
Merck Sharp & Dohme LLC 2 $51.95
AstraZeneca Pharmaceuticals Lp 2 $51.91
Urogen Pharma, INC. 2 $47.38
Antares Pharma, INC. 2 $45.32
Pfizer INC. 3 $43.23
Abbvie INC. 2 $31.13
Steris Corporation 1 $29.66

By nature of payment

Food and Beverage
$1,426

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
969
Patients
378
Total drug cost
$114,681
Drug Type Claims Patients Total cost
Tamsulosin Hcl Generic 245 78 $5,645
Oxybutynin Chloride ER (Oxybutynin Chloride) Brand 227 71 $8,821
Ciprofloxacin Hcl Generic 100 70 $560
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 95 52 $528
Myrbetriq (Mirabegron) Brand 50 17 $59,378
Dutasteride Generic 48 14 $2,579
Gemtesa (Vibegron) Brand 38 12 $28,597
Cefadroxil Generic 35 17 $581
Finasteride Generic 27 0 $668
Levofloxacin Generic 27 20 $212

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Marc Siegelbaum's medical specialty?
Dr. Marc Siegelbaum practices Urology Physician in Towson, MD.
Where does Dr. Marc Siegelbaum practice?
Dr. Marc Siegelbaum practices at 7505 Osler Dr, Towson, MD 212047736. Office phone: 4102960167.
What is Dr. Marc Siegelbaum's NPI?
Dr. Marc Siegelbaum's National Provider Identifier (NPI) is 1578547287, issued by NPPES.
Does Dr. Marc Siegelbaum accept Medicare assignment?
Yes. Dr. Marc Siegelbaum accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marc Siegelbaum commonly perform?
Top Medicare-reported procedures in 2023: Automated urinalysis test (HCPCS 81003); Established patient office or other outpatient visit (HCPCS 99214); Chronic care management services (HCPCS 99490). Source: CMS Medicare Physician & Other Practitioners file.