Dr. Marc Howard Gertner, MD
- Medicare services, 2024
- 3,140
- Medicare patients, 2024
- 693
- Part D claims, 2024
- 644
- MIPS score, 2024
- 86
- Hospital affiliations
- 2
- Practice address
- 23 Crossroads Drive, Suite 100, Owings Mills, MD 21117
- Practice phone
- Call (410) 356-0300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
SurgiCenter of Baltimore
Surgery Center - Medicare-Certified · Owings Mills, Maryland
Find Dr. Gertner's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Marc Howard Gertner is a general surgeon in Owings Mills, Maryland
Dr. Gertner practices at SurgiCenter of Baltimore in Owings Mills, Maryland.
Dr. Gertner's NPI, 1144227612, was assigned on June 30, 2005. Dr. Gertner graduated from Ohio State University College of Medicine in 1973. Dr. Gertner holds Maryland license D0024778.
- NPI
- 1144227612NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8325056823
- NPI enumeration date
- June 30, 2005
- NPI status
- Active
- Offers telehealth
- Yes
- Practice phone
- (410) 356-0300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 79
- Medical school graduation
- 1973
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Marc Howard Gertner practices at SurgiCenter of Baltimore in Owings Mills, Maryland
Dr. Gertner's primary practice is SurgiCenter of Baltimore, at 23 Crossroads Drive, Suite 100, Owings Mills, MD 21117. The practice phone is (410) 356-0300.
- SurgiCenter of Baltimore23 Crossroads Drive, Suite 100, Owings Mills, MD 21117Phone(410) 356-0300
Source: Dmand AI Affiliation Data
Dr. Marc Howard Gertner is affiliated with 4 sites of care and 2 medical groups
Dr. Gertner's primary practice is SurgiCenter of Baltimore in Owings Mills, Maryland. Dr. Gertner is also affiliated with Sinai Hospital of Baltimore. The medical group on file is Sinai Rehab Pain Medicine Associates. Dmand AI also links Dr. Gertner to 1 more hospital, 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Marc Howard Gertner's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gertner practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| SurgiCenter of Baltimore | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Marc Howard Gertner is one of 532 general surgeons in Maryland
Surgery is Dr. Gertner's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Gertner is licensed in Maryland.
Specialties and state licenses
- Surgery, MarylandPrimary
General surgeons near Dr. Gertner
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Marc Howard Gertner billed Medicare for 3,140 services in 2024
CMS data shows 3,140 Medicare services from Dr. Gertner across 26 procedure codes in 2024, for 693 Medicare patients. Medicare paid $338,929 for them.
Dr. Gertner's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,7842024: 1,44119%
- Surgery
- 2023: 1,3602024: 1,2726%
- Imaging
- 2023: 3862024: 42711%
Where Dr. Gertner's Medicare services took place, 2024
- In an office2,10567%
- In a facility1,03533%
Dr. Gertner compared with the Maryland median for general surgeons, 2024
- Dr. Gertner
- Maryland median
- Medicare services
- 3,140vs 23013.7 times
- Medicare patients
- 693vs 1624.3 times
- Part D claims
- 471vs 2618.1 times
Medians across 485 general surgeons in Maryland with Dmand AI profiles that report each measure.
Dr. Gertner's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Gertner?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Gertner and other general surgeons in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Marc Howard Gertner treated 693 Medicare patients in 2024, average age 76
CMS counts 693 Medicare patients who saw Dr. Gertner in 2024. The largest group is 75 to 84, with 300 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 6% are also on Medicaid. Their average risk score is 1.06, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Gertner's median patient age at 67, with 52% women.
Dr. Gertner's Medicare patients by age, 2024
Dr. Gertner's Medicare patients by sex, 2024
- Women43062%
- Men26338%
Chronic conditions among Dr. Gertner's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis52%
- Diabetes32%
- Ischemic heart disease29%
- Cancer25%
- Chronic kidney disease20%
- Mood disorders20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gertner's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women52%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Marc Howard Gertner wrote 644 Medicare Part D claims in 2024
In 2024, Dr. Gertner wrote 644 Medicare Part D claims for 209 patients. 96% of them were for generic drugs. CMS names the drug for 471 of them, across 17 drugs with 11 or more claims each, at $10,221 in total drug cost. In 2023, CMS named 368 claims across 16 drugs.
Dr. Gertner's Part D claims by kind of drug, 2024
- Generic619 claims96%
- Brand-name25 claims4%
Dr. Gertner's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Gertner's Part D claims, 2024
- Opioids18%118 of 644 claims
- Antibiotics35%228 of 644 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3682024: 47128%
Drugs named by CMS: 17 in 2024, 16 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Marc Howard Gertner scored 86 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for Dr. Gertner for performance year 2024, reported individually. CMS lists Dr. Gertner as offering telehealth. CMS counts 632 procedures of colonoscopy by Dr. Gertner, more than 99% of the clinicians it reports for that procedure.
- Offers telehealth
- Yes
Dr. Gertner's MIPS scores, performance year 2024
- 86of 100Final score
- 63.4of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 91of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Gertner ranks in Medicare procedure volume
- Colonoscopy
- 99th percentile632 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 87th percentile164 procedures
- Hernia repair - groin (open)
- 98th percentile28 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)
Mastectomy: 1 to 10 procedures (CMS shows small counts as a range)
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Marc Howard Gertner received $154 in industry payments from 2017 to 2025
CMS Open Payments shows 7 general payments to Dr. Gertner from 6 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. Ambu Inc. paid the most, $50.
General payments to Dr. Gertner by program year, 2017 to 2025
Companies that paid Dr. Gertner the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Marc Howard Gertner graduated from Ohio State University College of Medicine
Dr. Gertner graduated from Ohio State University College of Medicine in 1973.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Marc Howard Gertner's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Marc Howard Gertner
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Marc Howard Gertner's NPI number?
Dr. Marc Howard Gertner's NPI number is 1144227612. It was assigned on June 30, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Marc Howard Gertner?
Dr. Marc Howard Gertner is a general surgeon in Owings Mills, Maryland. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Marc Howard Gertner practice?
Dr. Gertner practices at 23 Crossroads Drive, Suite 100, Owings Mills, MD 21117. Dr. Gertner's primary practice is SurgiCenter of Baltimore in Owings Mills, Maryland. Dmand AI also links Dr. Gertner to 1 hospital, 1 group practice or clinic and 1 medical group.
What is Dr. Marc Howard Gertner's office phone number?
The practice phone on file for Dr. Gertner is (410) 356-0300.
What is Dr. Marc Howard Gertner's medical license number?
Dr. Gertner holds Maryland license D0024778.
Which hospitals is Dr. Marc Howard Gertner affiliated with?
Dr. Gertner is affiliated with Sinai Hospital of Baltimore. Dmand AI links Dr. Gertner to 1 more hospital.
What medical group is Dr. Marc Howard Gertner part of?
Dr. Gertner is linked to Sinai Rehab Pain Medicine Associates. Dmand AI links Dr. Gertner to 1 more medical group.
Does Dr. Marc Howard Gertner accept Medicare?
Yes. CMS data shows Dr. Gertner billed Medicare for 3,140 services in 2024.
Does Dr. Marc Howard Gertner offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Gertner as offering telehealth services.
What is Dr. Marc Howard Gertner's MIPS score?
Dr. Gertner's MIPS final score for performance year 2024 is 86 out of 100, reported individually.
Show 6 more questionsShow fewer questions
How many Medicare patients does Dr. Marc Howard Gertner see?
CMS counts 693 Medicare patients who saw Dr. Gertner in 2024, with an average age of 76.
What services does Dr. Marc Howard Gertner bill to Medicare?
In 2024, Dr. Gertner's most billed Medicare services were office visit, established patient (99214), ultrasound (76705) and surgery: digestive system (46221).
Where did Dr. Marc Howard Gertner go to medical school?
Dr. Gertner graduated from Ohio State University College of Medicine in 1973.
What drugs does Dr. Marc Howard Gertner prescribe most?
In 2024 Medicare Part D data, Dr. Gertner's most prescribed drugs by claims were Gabapentin, Cephalexin and Pantoprazole Sodium.
Has Dr. Marc Howard Gertner received payments from drug or device companies?
CMS Open Payments shows $154 in general payments to Dr. Gertner from 6 companies from 2017 to 2025. The largest total came from Ambu Inc.
How long has Dr. Marc Howard Gertner been practicing?
Dr. Gertner graduated from medical school in 1973, 53 years ago.
Selling to surgery practices?
See general surgeons in Maryland by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card