Marc Siegelbaum, MD
NPI 1578547287 · Urology Physician · Towson, MD
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marc Siegelbaum, MD is a Urology Physician provider in Towson, MD (NPI 1578547287).
Provider details
- NPI number
- 1578547287
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- D0028348 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
5,306 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 951 | $65 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 799 | $17 |
| Automated Urinalysis Test81003 | 655 | $2 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 413 | $133 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 321 | $9 |
| 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 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 316 | 97 |
| Oxybutynin Chloridebrand: Oxybutynin Chloride Er | 208 | 70 |
| Ciprofloxacin Hcl | 147 | 102 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 87 | 58 |
| Mirabegronbrand: Myrbetriq | 74 | 21 |
| Vibegronbrand: Gemtesa | 69 | 24 |
| Dutasteride | 59 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,426 across 59 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (3)
- 220 Pennsylvania AveSeaford, DE 19973-3820Phone: (410) 391-6131
- 314 Franklin Ave Ste 302Berlin, MD 21811-1238Phone: (410) 641-3735
- 1111 Mount Hermon RdSalisbury, MD 21804-5109Phone: (410) 546-2133
Registry dates
- Enumerated
- 2005-12-06
- Last updated
- 2025-06-13
- Certified
- 2025-06-13
Frequently asked questions
- What is Marc Siegelbaum's NPI number?
- Marc Siegelbaum's National Provider Identifier (NPI) is 1578547287, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marc Siegelbaum's specialty?
- Marc Siegelbaum is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is Marc Siegelbaum located?
- Marc Siegelbaum's practice location on file with NPPES is 7505 Osler Dr, Towson, MD 21204-7736.
- What is Marc Siegelbaum's phone number?
- The practice phone number listed in the NPPES registry for Marc Siegelbaum is (410) 296-0167.
- Does Marc Siegelbaum accept Medicare?
- Marc Siegelbaum is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marc Siegelbaum's NPI active?
- Yes — Marc Siegelbaum's NPI (1578547287) is active in the NPPES registry as of the last update on 2025-06-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.