Marc Gertner, M.D.
NPI 1144227612 · Surgery Physician · Owings Mills, MD
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marc Gertner, M.D. is a Surgery Physician provider in Owings Mills, MD (NPI 1144227612).
Provider details
- NPI number
- 1144227612
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D0024778 (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
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
3,140 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,033 | $132 |
| Limited Ultrasound Scan of Abdomen76705 | 309 | $90 |
| Removal of External Hemorrhoids By Rubber Banding46221 | 245 | $296 |
| Removal of Polyps Or Growths of Large Bowel Using a Flexible Endoscope With Electrical Cautery45384 | 191 | $45 |
| Destruction of Polyp Or Growth of Large Bowel Using a Flexible Endoscope45388 | 191 | $274 |
| Biopsy of Large Bowel Using a Flexible Endoscope |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 49 | 22 |
| Cephalexin | 47 | 45 |
| Pantoprazole Sodium | 46 | 12 |
| Oxycodone Hcl | 45 | 42 |
| Clindamycin Hcl | 39 | 27 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 38 | 23 |
| Tramadol Hcl | 35 | 22 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$15 across 1 record (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
Registry dates
- Enumerated
- 2005-06-30
- Last updated
- 2007-07-08
Frequently asked questions
- What is Marc Gertner's NPI number?
- Marc Gertner's National Provider Identifier (NPI) is 1144227612, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marc Gertner's specialty?
- Marc Gertner is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Marc Gertner located?
- Marc Gertner's practice location on file with NPPES is 23 Crossroads Dr, Owings Mills, MD 21117-5420.
- What is Marc Gertner's phone number?
- The practice phone number listed in the NPPES registry for Marc Gertner is (410) 581-0700.
- Does Marc Gertner accept Medicare?
- Marc Gertner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marc Gertner's NPI active?
- Yes — Marc Gertner's NPI (1144227612) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.