Dr. Gabriel E. Ryb, MD
- Medicare services, 2024
- 406
- Medicare patients, 2024
- 298
- Part D claims, 2023
- 14
- Publications
- 34
- Hospital affiliations
- 5
- Practice address
- 759 Chestnut Street, Springfield, MA 01199
- Practice phone
- Call (413) 794-0000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Ryb'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. Gabriel E. Ryb is a surgical critical care physician in Springfield, Massachusetts
Dr. Ryb practices at Baystate Medical Center in Springfield, Massachusetts, part of Baystate Health.
Dr. Ryb's NPI, 1356398366, was assigned on May 27, 2006. Dr. Ryb holds Massachusetts license 281020.
- NPI
- 1356398366NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0244295459
- NPI enumeration date
- May 27, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (413) 794-0000
- 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. Gabriel E. Ryb practices at Baystate Medical Center in Springfield, Massachusetts
Dr. Ryb's primary practice is Baystate Medical Center, at 759 Chestnut Street, Springfield, MA 01199 in Hampden County. The practice phone is (413) 794-0000.
- Baystate Medical Center759 Chestnut Street, Springfield, MA 01199 · Hampden CountyPhone(413) 794-0000
Source: Dmand AI Affiliation Data
Dr. Gabriel E. Ryb is affiliated with 7 sites of care and 1 medical group
Dr. Ryb's primary practice is Baystate Medical Center in Springfield, Massachusetts, part of Baystate Health. Dr. Ryb is also affiliated with Cooley Dickinson Hospital. The medical group on file is Baystate Medical Practices. Dmand AI also links Dr. Ryb to 3 more hospitals, 1 group practice or clinic and 1 home health agency, 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. Gabriel E. Ryb's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ryb practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Baystate Medical Center | Available with a free account |
| +6 more affiliated sites | 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 Baystate Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Gabriel E. Ryb is one of 53 surgical critical care physicians in Massachusetts
Surgical critical care is Dr. Ryb's primary specialty in the NPI Registry, under taxonomy code 2086S0102X. Dmand AI has Dr. Ryb's licenses on file in 2 states: Massachusetts and Maryland.
Specialties and state licenses
- Surgical critical care, MassachusettsPrimary
- Surgery, Maryland
Surgical critical care physicians near Dr. Ryb
Counts of surgical critical care physicians 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. Gabriel E. Ryb billed Medicare for 406 services in 2024
CMS data shows 406 Medicare services from Dr. Ryb across 8 procedure codes in 2024, for 298 Medicare patients. Medicare paid $53,960 for them.
Dr. Ryb's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4062024: 3914%
- Surgery
- 2023: 02024: 15
Where Dr. Ryb's Medicare services took place, 2024
- In an office205%
- In a facility38695%
Dr. Ryb compared with the Massachusetts median for surgical critical care physicians, 2024
- Dr. Ryb
- Massachusetts median
- Medicare services
- 406vs 32326% above
- Medicare patients
- 298vs 18363% above
- Part D claims
- 14vs 1613% below
Medians across 55 surgical critical care physicians in Massachusetts with Dmand AI profiles that report each measure.
Dr. Ryb'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. Ryb?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ryb and other surgical critical care physicians in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gabriel E. Ryb treated 298 Medicare patients in 2024, average age 75
CMS counts 298 Medicare patients who saw Dr. Ryb in 2024. The largest group is 65 to 74, with 107 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 39% are also on Medicaid. Their average risk score is 2.17, 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. Ryb's median patient age at 64, with 48% women.
Dr. Ryb's Medicare patients by age, 2024
Dr. Ryb's Medicare patients by sex, 2024
- Women14047%
- Men15853%
Chronic conditions among Dr. Ryb's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis56%
- Anxiety46%
- Mood disorders45%
- Chronic kidney disease40%
- Depression39%
- Ischemic heart disease39%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ryb's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women48%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gabriel E. Ryb wrote 14 Medicare Part D claims in 2023
In 2023, Dr. Ryb wrote 14 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $2,247 in total drug cost.
Dr. Ryb's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Gabriel E. Ryb takes part in Medicare
Dr. Ryb accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Hernia repair - groin (open): 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)
Upper gastrointestinal (GI) endoscopy for acid reflux: 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. Gabriel E. Ryb has 34 publications on record
Dmand AI links 34 papers to Dr. Ryb, published from 2006 to 2022. 2013 was the busiest year, with 2. The most frequent topics are Accidents, Traffic, Wounds and Injuries and Trauma Centers. Dr. Ryb has published most often in J Trauma. Dr. Ryb's most frequent co-authors are Reginald Alouidor, MD, Frederick N. Eko, MD and Tovy H. Kamine, MD.
Dr. Ryb's papers by year, 2006 to 2022
Topics Dr. Ryb writes about most
- Accidents, Traffic
- Wounds and Injuries
- Trauma Centers
- Injury Severity Score
- Seat Belts
- Maryland
- Automobiles
- Chi-Square Distribution
Dr. Ryb's most frequent co-authors
- Reginald Alouidor, MD2 shared papers
- Frederick N. Eko, MD2 shared papers
- Tovy H. Kamine, MD2 shared papers
Recent publications by Dr. Ryb
J Am Geriatr Soc
Accid Anal Prev
See who Dr. Ryb researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ryb works with, so you can find a warm path to the right surgical critical care physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Gabriel E. Ryb received $2,587 in industry payments from 2016 to 2025
CMS Open Payments shows 15 general payments to Dr. Ryb from 8 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 69% of the total. Davol Inc. paid the most, $2,184.
General payments to Dr. Ryb by program year, 2016 to 2025
General payments to Dr. Ryb by kind, 2016 to 2025
- Travel and lodging$1,78169%
- Food and beverage$80531%
Companies that paid Dr. Ryb the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Gabriel E. Ryb'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) |
| 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 |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Gabriel E. Ryb
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. Gabriel E. Ryb's NPI number?
Dr. Gabriel E. Ryb's NPI number is 1356398366. It was assigned on May 27, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gabriel E. Ryb?
Dr. Gabriel E. Ryb is a surgical critical care physician in Springfield, Massachusetts. The primary specialty in the NPI Registry is Surgical Critical Care Physician (taxonomy code 2086S0102X).
Where does Dr. Gabriel E. Ryb practice?
Dr. Ryb practices at 759 Chestnut Street, Springfield, MA 01199. Dr. Ryb's primary practice is Baystate Medical Center in Springfield, Massachusetts, part of Baystate Health. Dmand AI also links Dr. Ryb to 3 hospitals, 1 group practice or clinic and 1 home health agency.
What is Dr. Gabriel E. Ryb's office phone number?
The practice phone on file for Dr. Ryb is (413) 794-0000.
What is Dr. Gabriel E. Ryb's medical license number?
Dr. Ryb holds Massachusetts license 281020, one of the licenses on file in 2 states.
Which states has Dr. Gabriel E. Ryb been licensed in?
Dmand AI has state licenses on file for Dr. Ryb in Massachusetts and Maryland.
Which hospitals is Dr. Gabriel E. Ryb affiliated with?
Dr. Ryb practices at Baystate Medical Center in Springfield, Massachusetts. Dr. Ryb is also affiliated with Cooley Dickinson Hospital. Dmand AI links Dr. Ryb to 3 more hospitals.
What medical group is Dr. Gabriel E. Ryb part of?
Dr. Ryb is linked to Baystate Medical Practices.
Does Dr. Gabriel E. Ryb accept Medicare?
Yes. CMS data shows Dr. Ryb billed Medicare for 406 services in 2024, and Dr. Ryb accepts Medicare assignment.
How many Medicare patients does Dr. Gabriel E. Ryb see?
CMS counts 298 Medicare patients who saw Dr. Ryb in 2024, with an average age of 75.
Show 6 more questionsShow fewer questions
What services does Dr. Gabriel E. Ryb bill to Medicare?
In 2024, Dr. Ryb's most billed Medicare services were critical care (99291), hospital inpatient care (99233) and hospital inpatient care (99223).
What drugs does Dr. Gabriel E. Ryb prescribe most?
In 2023 Medicare Part D data, Dr. Ryb's most prescribed drugs by claims were Carnitor.
Has Dr. Gabriel E. Ryb received payments from drug or device companies?
CMS Open Payments shows $2,587 in general payments to Dr. Ryb from 8 companies from 2016 to 2025. The largest total came from Davol Inc.
How long has Dr. Gabriel E. Ryb been practicing?
Dr. Ryb graduated from medical school in 1987, 39 years ago.
Does Dr. Gabriel E. Ryb do research?
Dmand AI links 34 publications to Dr. Ryb, published from 2006 to 2022.
Who does Dr. Gabriel E. Ryb publish with?
Dr. Ryb's most frequent co-authors are Reginald Alouidor, MD (2 shared papers), Frederick N. Eko, MD (2 shared papers) and Tovy H. Kamine, MD (2 shared papers).
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