Dr. Gary S. Friedman, MD
- Medicare services, 2024
- 570
- Medicare patients, 2024
- 167
- Part D claims, 2024
- 6,354
- Publications
- 39
- Industry payments
- $1,342
- Practice address
- 301 St Paul Pl, Baltimore, MD 21202
- Practice phone
- Call (410) 951-1700
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
The Orthopedic Specialty Hospital at Mercy
Baltimore, Maryland
Find Dr. Friedman'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. Gary S. Friedman is an internist in Baltimore, Maryland
Dr. Friedman practices at The Orthopedic Specialty Hospital at Mercy in Baltimore, Maryland.
Dr. Friedman's NPI, 1023016680, was assigned on July 8, 2005. Dr. Friedman graduated from University of Virginia School of Medicine in 1982. Dr. Friedman holds Maryland license D0032392.
- NPI
- 1023016680NPI Registry (opens in a new tab)
- NPI enumeration date
- July 8, 2005
- NPI status
- Active
- Practice phone
- (410) 951-1700
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 70
- Medical school graduation
- 1982
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Gary S. Friedman practices at The Orthopedic Specialty Hospital at Mercy in Baltimore, Maryland
Dr. Friedman's primary practice is The Orthopedic Specialty Hospital at Mercy, at 301 St Paul Pl, Baltimore, MD 21202 in Baltimore City. The practice phone is (410) 951-1700.
- The Orthopedic Specialty Hospital at Mercy301 St Paul Pl, Baltimore, MD 21202 · Baltimore CityPhone(410) 951-1700
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Gary S. Friedman is affiliated with 2 sites of care and 1 medical group
Dr. Friedman's primary practice is The Orthopedic Specialty Hospital at Mercy in Baltimore, Maryland. The medical group on file is Mercy Family Care Physicians. Dmand AI also links Dr. Friedman to 1 more community health center, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gary S. Friedman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Friedman practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The Orthopedic Specialty Hospital at Mercy | 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. Gary S. Friedman is one of 3,320 internists in Maryland
Internal medicine is Dr. Friedman's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Friedman is licensed in Maryland.
Specialties and state licenses
- Internal medicine, MarylandPrimary
Internists near Dr. Friedman
Counts of internists 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. Gary S. Friedman billed Medicare for 570 services in 2024
CMS data shows 570 Medicare services from Dr. Friedman across 8 procedure codes in 2024, for 167 Medicare patients. Medicare paid $36,224 for them. Every service was in an office.
Dr. Friedman's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4782024: 42810%
- Tests and treatments
- 2023: 1402024: 8241%
- Other services
- 2023: 832024: 6028%
Dr. Friedman compared with the Maryland median for internists, 2024
- Dr. Friedman
- Maryland median
- Medicare services
- 570vs 65613% below
- Medicare patients
- 167vs 25133% below
- Part D claims
- 5,802vs 30918.8 times
Medians across 3,215 internists in Maryland with Dmand AI profiles that report each measure.
Dr. Friedman'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. Friedman and other internists in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gary S. Friedman treated 167 Medicare patients in 2024, average age 68
CMS counts 167 Medicare patients who saw Dr. Friedman in 2024. The largest group is 65 to 74, with 76 patients. 75% of them have high blood pressure, and 74% have high cholesterol. 65% are also on Medicaid. Their average risk score is 1.29, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Friedman's median patient age at 62, with 61% women.
Dr. Friedman's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Friedman's Medicare patients by sex, 2024
- Women11066%
- Men5734%
Chronic conditions among Dr. Friedman's Medicare patients, 2024
- High blood pressure75%
- High cholesterol74%
- Diabetes43%
- Arthritis35%
- Chronic kidney disease24%
- Alcohol and drug use disorders22%
- Tobacco use19%
- Anxiety18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Friedman's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women61%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gary S. Friedman wrote 6,354 Medicare Part D claims in 2024
In 2024, Dr. Friedman wrote 6,354 Medicare Part D claims for 313 patients. 78% of them were for generic drugs. CMS names the drug for 5,802 of them, across 96 drugs with 11 or more claims each, at $777,704 in total drug cost. In 2023, CMS named 6,010 claims across 101 drugs.
Dr. Friedman's Part D claims by kind of drug, 2024
- Generic4,987 claims78%
- Brand-name1,294 claims20%
- Other73 claims1%
Dr. Friedman'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. Friedman's Part D claims, 2024
- Opioids6%370 of 6,354 claims
- Antibiotics1%51 of 6,354 claims
- Antipsychotics, patients 65 and over1%39 of 6,354 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: 6,0102024: 5,8023%
Drugs named by CMS: 96 in 2024, 101 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
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Dr. Gary S. Friedman has 39 publications on record
Dmand AI links 39 papers to Dr. Friedman, published from 2010 to 2025. 2020 was the busiest year, with 5. The most frequent topics are Colitis, Ulcerative, Piperidines and Plasma Gases. Dr. Friedman has published most often in Clin Gastroenterol Hepatol. Dr. Friedman's most frequent co-authors are Ari D. Brooks, MD, Bruce Eric Sands, MD and Daniel M. Quirk, MD.
Dr. Friedman's papers by year, 2012 to 2025
Topics Dr. Friedman writes about most
- Colitis, Ulcerative
- Piperidines
- Plasma Gases
- Pyrimidines
- Nanotubes, Carbon
- Drug Development
- Janus Kinase Inhibitors
- Pyrroles
Dr. Friedman's most frequent co-authors
- Ari D. Brooks, MD5 shared papers
- Bruce Eric Sands, MD5 shared papers
- Daniel M. Quirk, MD4 shared papers
Recent publications by Dr. Friedman
J Mech Behav Biomed Mater
J Pharmacol Exp Ther
See who Dr. Friedman researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Friedman works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Gary S. Friedman received $1,342 in industry payments from 2016 to 2025
CMS Open Payments shows 67 general payments to Dr. Friedman from 23 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $260. It also lists 1 research payment totaling $3,200 in 2025.
General payments to Dr. Friedman by program year, 2016 to 2025
Companies that paid Dr. Friedman 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. Gary S. Friedman graduated from University of Virginia School of Medicine
Dr. Friedman graduated from University of Virginia School of Medicine in 1982.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gary S. Friedman'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Gary S. Friedman
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. Gary S. Friedman's NPI number?
Dr. Gary S. Friedman's NPI number is 1023016680. It was assigned on July 8, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Gary S. Friedman?
Dr. Gary S. Friedman is an internist in Baltimore, Maryland. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Gary S. Friedman practice?
Dr. Friedman practices at 301 St Paul Pl, Baltimore, MD 21202. Dr. Friedman's primary practice is The Orthopedic Specialty Hospital at Mercy in Baltimore, Maryland. Dmand AI also links Dr. Friedman to 1 community health center.
What is Dr. Gary S. Friedman's office phone number?
The practice phone on file for Dr. Friedman is (410) 951-1700.
What is Dr. Gary S. Friedman's medical license number?
Dr. Friedman holds Maryland license D0032392.
What medical group is Dr. Gary S. Friedman part of?
Dr. Friedman is linked to Mercy Family Care Physicians.
Does Dr. Gary S. Friedman accept Medicare?
Yes. CMS data shows Dr. Friedman billed Medicare for 570 services in 2024.
How many Medicare patients does Dr. Gary S. Friedman see?
CMS counts 167 Medicare patients who saw Dr. Friedman in 2024, with an average age of 68.
What services does Dr. Gary S. Friedman bill to Medicare?
In 2024, Dr. Friedman's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and medicare service (G0008).
Where did Dr. Gary S. Friedman go to medical school?
Dr. Friedman graduated from University of Virginia School of Medicine in 1982.
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What drugs does Dr. Gary S. Friedman prescribe most?
In 2024 Medicare Part D data, Dr. Friedman's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Losartan Potassium.
Has Dr. Gary S. Friedman received payments from drug or device companies?
CMS Open Payments shows $1,342 in general payments to Dr. Friedman from 23 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Gary S. Friedman been practicing?
Dr. Friedman graduated from medical school in 1982, 44 years ago.
Does Dr. Gary S. Friedman do research?
Dmand AI links 39 publications to Dr. Friedman, published from 2010 to 2025.
Who does Dr. Gary S. Friedman publish with?
Dr. Friedman's most frequent co-authors are Ari D. Brooks, MD (5 shared papers), Bruce Eric Sands, MD (5 shared papers) and Daniel M. Quirk, MD (4 shared papers).
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