Dr. Barry S. Greene, FACS, MD
- Medicare services, 2024
- 172
- Medicare patients, 2024
- 89
- Part D claims, 2024
- 235
- Publications
- 2
- Clinical trials
- 1
- Practice address
- 9707 Medical Center Dr, Rockville, MD 20850
- Practice phone
- Call (301) 965-0546
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Maryland Bariatrics
Surgical practice · Rockville, Maryland
Find Dr. Greene'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. Barry S. Greene is a general surgeon in Rockville, Maryland
Dr. Greene practices at Maryland Bariatrics in Rockville, Maryland.
Dr. Greene's NPI, 1487762100, was assigned on August 25, 2006. Dr. Greene graduated from University of Miami, Lm Miller School of Medicine in 1985. Dr. Greene holds Maryland license D0043330.
- NPI
- 1487762100NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3971557687
- NPI enumeration date
- August 25, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (301) 965-0546
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Barry S. Greene practices at Maryland Bariatrics in Rockville, Maryland
Dr. Greene's primary practice is Maryland Bariatrics, at 9707 Medical Center Dr, Rockville, MD 20850. The practice phone is (301) 965-0546.
- Maryland Bariatrics9707 Medical Center Dr, Rockville, MD 20850Phone(301) 965-0546
Source: Dmand AI Affiliation Data
Dr. Barry S. Greene is affiliated with 5 sites of care and 4 medical groups
Dr. Greene's primary practice is Maryland Bariatrics in Rockville, Maryland. Dr. Greene is also affiliated with MedStar Georgetown University Hospital. The medical group on file is MedStar Medical Group. Dmand AI also links Dr. Greene to 1 more hospital, 3 medical groups and 2 group practices and clinics, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Barry S. Greene's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Greene practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Maryland Bariatrics | Available with a free account |
| +4 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Barry S. Greene is one of 532 general surgeons in Maryland
Surgery is Dr. Greene's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Greene is licensed in Maryland.
Specialties and state licenses
- Surgery, MarylandPrimary
General surgeons near Dr. Greene
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. Barry S. Greene billed Medicare for 172 services in 2024
CMS data shows 172 Medicare services from Dr. Greene across 4 procedure codes in 2024, for 89 Medicare patients. Medicare paid $17,252 for them. Every service was in an office.
Dr. Greene's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1562024: 1532%
- Tests and treatments
- 2023: 222024: 1914%
- Imaging
- 2023: 122024: 0100%
Dr. Greene compared with the Maryland median for general surgeons, 2024
- Dr. Greene
- Maryland median
- Medicare services
- 172vs 23025% below
- Medicare patients
- 89vs 16245% below
- Part D claims
- 166vs 266.4 times
Medians across 485 general surgeons in Maryland with Dmand AI profiles that report each measure.
Dr. Greene'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Barry S. Greene treated 89 Medicare patients in 2024, average age 69
CMS counts 89 Medicare patients who saw Dr. Greene in 2024. The largest group is 65 to 74, with 45 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 18% are also on Medicaid. Their average risk score is 1.31, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Greene's median patient age at 54, with 68% women.
Dr. Greene's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Greene's Medicare patients by sex, 2024
- Women7281%
- Men1719%
Chronic conditions among Dr. Greene's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis62%
- Diabetes53%
- Mood disorders43%
- Depression37%
- Anxiety35%
- Osteoporosis35%
Share of Medicare patients with each condition. A patient can have several.
Dr. Greene's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 54
Patient panel by sex, all payers
- Women68%
- Men29%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Barry S. Greene wrote 235 Medicare Part D claims in 2024
In 2024, Dr. Greene wrote 235 Medicare Part D claims for 46 patients. 92% of them were for generic drugs. CMS names the drug for 166 of them, across 8 drugs with 11 or more claims each, at $4,444 in total drug cost. In 2023, CMS named 24 claims across 2 drugs.
Dr. Greene's Part D claims by kind of drug, 2024
- Generic217 claims92%
- Brand-name and other18 claims8%
Dr. Greene'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. Greene's Part D claims, 2024
- Antibiotics6%13 of 235 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: 242024: 166592%
Drugs named by CMS: 8 in 2024, 2 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. Barry S. Greene ranks in the 50th percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare
Dr. Greene accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Greene as offering telehealth. CMS counts 20 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Greene, more than 50% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Greene ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 50th percentile20 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)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Barry S. Greene has 2 publications on record
Dmand AI links 2 papers to Dr. Greene, published from 2012 to 2019. Dr. Greene's most frequent co-authors are Matthew Louis Iorio, MD, Jonathan Spencer Lyons, MD and Michelle A. Petri, MD.
Dr. Greene's most frequent co-authors
- Matthew Louis Iorio, MD1 shared paper
- Jonathan Spencer Lyons, MD1 shared paper
- Michelle A. Petri, MD1 shared paper
Recent publications by Dr. Greene
See who Dr. Greene researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Greene works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Barry S. Greene has worked on 1 clinical trial
Dmand AI links Dr. Greene to 1 clinical trial. Conditions studied include Obesity and Overnutrition.
Conditions in Dr. Greene's trials
- Obesity
- Overnutrition
Investigators on the most trials with Dr. Greene
- Darrin F. Hansen, MD1 shared trial
- John N. Olsofka, MD1 shared trial
- Sidney P. Rohrscheib, MD1 shared trial
Recent clinical trials with Dr. Greene
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Barry S. Greene received $14,400 in industry payments from 2016 to 2025
CMS Open Payments shows 121 general payments to Dr. Greene from 27 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 34% of the total. Intuitive Surgical, Inc. paid the most, $4,503.
General payments to Dr. Greene by program year, 2016 to 2025
General payments to Dr. Greene by kind, 2016 to 2025
- Food and beverage$4,82534%
- Travel and lodging$3,60625%
- Education$3,06321%
- Honoraria$1,50010%
- Consulting fees$1,40610%
Companies that paid Dr. Greene 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. Barry S. Greene graduated from University of Miami, Lm Miller School of Medicine
Dr. Greene graduated from University of Miami, Lm Miller School of Medicine in 1985.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Barry S. Greene'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 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (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. Barry S. Greene
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. Barry S. Greene's NPI number?
Dr. Barry S. Greene's NPI number is 1487762100. It was assigned on August 25, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Barry S. Greene?
Dr. Barry S. Greene is a general surgeon in Rockville, Maryland. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Barry S. Greene practice?
Dr. Greene practices at 9707 Medical Center Dr, Rockville, MD 20850. Dr. Greene's primary practice is Maryland Bariatrics in Rockville, Maryland. Dmand AI also links Dr. Greene to 1 hospital, 3 medical groups and 2 group practices and clinics.
What is Dr. Barry S. Greene's office phone number?
The practice phone on file for Dr. Greene is (301) 965-0546.
What is Dr. Barry S. Greene's medical license number?
Dr. Greene holds Maryland license D0043330.
Which hospitals is Dr. Barry S. Greene affiliated with?
Dr. Greene is affiliated with MedStar Georgetown University Hospital. Dmand AI links Dr. Greene to 1 more hospital.
What medical group is Dr. Barry S. Greene part of?
Dr. Greene is linked to MedStar Medical Group. Dmand AI links Dr. Greene to 3 more medical groups.
Does Dr. Barry S. Greene accept Medicare?
Yes. CMS data shows Dr. Greene billed Medicare for 172 services in 2024, and Dr. Greene accepts Medicare assignment.
Does Dr. Barry S. Greene offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Greene as offering telehealth services.
How many Medicare patients does Dr. Barry S. Greene see?
CMS counts 89 Medicare patients who saw Dr. Greene in 2024, with an average age of 69.
Show 7 more questionsShow fewer questions
What services does Dr. Barry S. Greene bill to Medicare?
In 2024, Dr. Greene's most billed Medicare services were office visit, established patient (99214), office visit, new patient (99204) and health assessment (96160).
Where did Dr. Barry S. Greene go to medical school?
Dr. Greene graduated from University of Miami, Lm Miller School of Medicine in 1985.
What drugs does Dr. Barry S. Greene prescribe most?
In 2024 Medicare Part D data, Dr. Greene's most prescribed drugs by claims were Nystatin, Celecoxib and Enoxaparin Sodium.
Has Dr. Barry S. Greene received payments from drug or device companies?
CMS Open Payments shows $14,400 in general payments to Dr. Greene from 27 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Barry S. Greene been practicing?
Dr. Greene graduated from medical school in 1985, 41 years ago.
Does Dr. Barry S. Greene do research?
Dmand AI links 2 publications to Dr. Greene, published from 2012 to 2019. Dr. Greene has worked on 1 clinical trial.
Who does Dr. Barry S. Greene publish with?
Dr. Greene's most frequent co-authors are Matthew Louis Iorio, MD (1 shared paper), Jonathan Spencer Lyons, MD (1 shared paper) and Michelle A. Petri, MD (1 shared paper).
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