Dr. Bruce D. Greenwald, MD
- Medicare services, 2024
- 401
- Medicare patients, 2024
- 266
- Part D claims, 2024
- 534
- Hospital affiliations
- 2
- Industry payments
- $63,928
- Practice address
- 22 South Greene Street, Baltimore, MD 21201
- Practice phone
- Call (410) 328-8667
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Greenwald's professional email, personal email and mobile number
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Dr. Bruce D. Greenwald is a gastroenterologist in Baltimore, Maryland
Dr. Greenwald practices at University of Maryland Medical Center in Baltimore, Maryland, part of University of Maryland Medical System.
Dr. Greenwald's NPI, 1801842018, was assigned on May 26, 2006. Dr. Greenwald graduated from University of Maryland School of Medicine in 1987. Dr. Greenwald holds Maryland license D39961.
- NPI
- 1801842018NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9436343365
- NPI enumeration date
- May 26, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (410) 328-8667
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Bruce D. Greenwald practices at University of Maryland Medical Center in Baltimore, Maryland
Dr. Greenwald's primary practice is University of Maryland Medical Center, at 22 South Greene Street, Baltimore, MD 21201 in Baltimore City. The practice phone is (410) 328-8667.
- University of Maryland Medical Center22 South Greene Street, Baltimore, MD 21201 · Baltimore CityPhone(410) 328-8667
Source: Dmand AI Affiliation Data
Dr. Bruce D. Greenwald is affiliated with 2 sites of care and 1 medical group
Dr. Greenwald's primary practice is University of Maryland Medical Center in Baltimore, Maryland, part of University of Maryland Medical System. Dr. Greenwald is also affiliated with University of Maryland Medical Center Midtown Campus. The medical group on file is University of Maryland Medical Center Gastroenterology and Hepatology.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Bruce D. Greenwald's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Greenwald practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University of Maryland Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Bruce D. Greenwald is one of 405 gastroenterologists in Maryland
Gastroenterology is Dr. Greenwald's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Greenwald is licensed in Maryland.
Specialties and state licenses
- Gastroenterology, MarylandPrimary
Gastroenterologists near Dr. Greenwald
Counts of gastroenterologists 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. Bruce D. Greenwald billed Medicare for 401 services in 2024
CMS data shows 401 Medicare services from Dr. Greenwald across 13 procedure codes in 2024, for 266 Medicare patients. Medicare paid $44,616 for them.
Dr. Greenwald's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 2362024: 2579%
- Office and hospital visits
- 2023: 1282024: 14413%
Where Dr. Greenwald's Medicare services took place, 2024
- In an office10526%
- In a facility29674%
Dr. Greenwald compared with the Maryland median for gastroenterologists, 2024
- Dr. Greenwald
- Maryland median
- Medicare services
- 401vs 66840% below
- Medicare patients
- 266vs 39032% below
- Part D claims
- 449vs 39215% above
Medians across 396 gastroenterologists in Maryland with Dmand AI profiles that report each measure.
Dr. Greenwald'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Greenwald and other gastroenterologists in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Bruce D. Greenwald treated 266 Medicare patients in 2024, average age 73
CMS counts 266 Medicare patients who saw Dr. Greenwald in 2024. The largest group is 65 to 74, with 127 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 14% are also on Medicaid. Their average risk score is 1.68, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Greenwald's median patient age at 71, with 43% women.
Dr. Greenwald's Medicare patients by age, 2024
Dr. Greenwald's Medicare patients by sex, 2024
- Women11443%
- Men15257%
Chronic conditions among Dr. Greenwald's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis48%
- Ischemic heart disease41%
- Diabetes38%
- Anxiety31%
- Mood disorders27%
- Chronic kidney disease26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Greenwald's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women43%
- Men57%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Bruce D. Greenwald wrote 534 Medicare Part D claims in 2024
In 2024, Dr. Greenwald wrote 534 Medicare Part D claims for 164 patients. 93% of them were for generic drugs. CMS names the drug for 449 of them, across 9 drugs with 11 or more claims each, at $40,936 in total drug cost. In 2023, CMS named 318 claims across 8 drugs.
Dr. Greenwald's Part D claims by kind of drug, 2024
- Generic495 claims93%
- Brand-name39 claims7%
Dr. Greenwald'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3182024: 44941%
Drugs named by CMS: 9 in 2024, 8 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. Bruce D. Greenwald ranks in the 95th percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare
Dr. Greenwald accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Greenwald as offering telehealth. CMS counts 290 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Greenwald, more than 95% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Greenwald ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 95th percentile290 procedures
- Colonoscopy
- 54th percentile30 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Bruce D. Greenwald received $63,928 in industry payments from 2016 to 2025
CMS Open Payments shows 65 general payments to Dr. Greenwald from 10 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 93% of the total. Steris Corporation paid the most, $39,511.
General payments to Dr. Greenwald by program year, 2016 to 2025
General payments to Dr. Greenwald by kind, 2016 to 2025
- Consulting fees$59,53093%
- Food and beverage$2,5594%
- Travel and lodging$1,8393%
Companies that paid Dr. Greenwald the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Bruce D. Greenwald graduated from University of Maryland School of Medicine
Dr. Greenwald graduated from University of Maryland School of Medicine in 1987.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Bruce D. Greenwald'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)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. Bruce D. Greenwald
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. Bruce D. Greenwald's NPI number?
Dr. Bruce D. Greenwald's NPI number is 1801842018. It was assigned on May 26, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Bruce D. Greenwald?
Dr. Bruce D. Greenwald is a gastroenterologist in Baltimore, Maryland. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Bruce D. Greenwald practice?
Dr. Greenwald practices at 22 South Greene Street, Baltimore, MD 21201. Dr. Greenwald's primary practice is University of Maryland Medical Center in Baltimore, Maryland, part of University of Maryland Medical System.
What is Dr. Bruce D. Greenwald's office phone number?
The practice phone on file for Dr. Greenwald is (410) 328-8667.
What is Dr. Bruce D. Greenwald's medical license number?
Dr. Greenwald holds Maryland license D39961.
Which hospitals is Dr. Bruce D. Greenwald affiliated with?
Dr. Greenwald practices at University of Maryland Medical Center in Baltimore, Maryland. Dr. Greenwald is also affiliated with University of Maryland Medical Center Midtown Campus.
What medical group is Dr. Bruce D. Greenwald part of?
Dr. Greenwald is linked to University of Maryland Medical Center Gastroenterology and Hepatology.
Does Dr. Bruce D. Greenwald accept Medicare?
Yes. CMS data shows Dr. Greenwald billed Medicare for 401 services in 2024, and Dr. Greenwald accepts Medicare assignment.
Does Dr. Bruce D. Greenwald offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Greenwald as offering telehealth services.
How many Medicare patients does Dr. Bruce D. Greenwald see?
CMS counts 266 Medicare patients who saw Dr. Greenwald in 2024, with an average age of 73.
Show 5 more questionsShow fewer questions
What services does Dr. Bruce D. Greenwald bill to Medicare?
In 2024, Dr. Greenwald's most billed Medicare services were surgery: digestive system (43239), surgery: digestive system (43270) and office visit, established patient (99214).
Where did Dr. Bruce D. Greenwald go to medical school?
Dr. Greenwald graduated from University of Maryland School of Medicine in 1987.
What drugs does Dr. Bruce D. Greenwald prescribe most?
In 2024 Medicare Part D data, Dr. Greenwald's most prescribed drugs by claims were Omeprazole, Pantoprazole Sodium and Famotidine.
Has Dr. Bruce D. Greenwald received payments from drug or device companies?
CMS Open Payments shows $63,928 in general payments to Dr. Greenwald from 10 companies from 2016 to 2025. The largest total came from Steris Corporation.
How long has Dr. Bruce D. Greenwald been practicing?
Dr. Greenwald graduated from medical school in 1987, 39 years ago.
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