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Dr. Raymond Vytas Gylys, MD
NPI1124647235PAC ID6002283827
- Medicare services, 2024
- 11
- Medicare patients, 2024
- 90
- Publications
- 4
- Hospital affiliations
- 2
- Industry payments
- $128
- Practice address
- 250 Bon Air Road, Greenbrae, CA 94904
- Practice phone
- Call (415) 925-7900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Gylys' 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. Raymond Vytas Gylys is an anesthesiologist in Greenbrae, California
Dr. Gylys practices at MarinHealth Medical Center in Greenbrae, California, part of Marin Healthcare District.
Dr. Gylys' NPI, 1124647235, was assigned on April 9, 2020. Dr. Gylys graduated from UCSF School of Medicine in 2020. Dr. Gylys holds California license A188137.
NPI and contact details
- NPI
- 1124647235NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6002283827
- NPI enumeration date
- April 9, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (415) 925-7900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Raymond Vytas Gylys practices at MarinHealth Medical Center in Greenbrae, California
Dr. Gylys' primary practice is MarinHealth Medical Center, at 250 Bon Air Road, Greenbrae, CA 94904 in Marin County. The practice phone is (415) 925-7900.
- MarinHealth Medical Center250 Bon Air Road, Greenbrae, CA 94904 · Marin CountyPhone(415) 925-7900
Source: Dmand AI Affiliation Data
Dr. Raymond Vytas Gylys is affiliated with 2 sites of care and 1 medical group
Dr. Gylys' primary practice is MarinHealth Medical Center in Greenbrae, California, part of Marin Healthcare District. Dr. Gylys is also affiliated with Sonoma Valley Hospital. The medical group on file is Anesthesiology Consultants of Marin.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Raymond Vytas Gylys' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gylys practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MarinHealth Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dmand AI maps EHR vendors, IT decision makers and buying committees across Marin Healthcare District and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Raymond Vytas Gylys is one of 6,593 anesthesiologists in California
Anesthesiology is Dr. Gylys' primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Gylys is board certified in anesthesiology by the American Board of Anesthesiology. Dr. Gylys is licensed in California.
Specialties and state licenses
- Anesthesiology, CaliforniaPrimary
Anesthesiologists near Dr. Gylys
Counts of anesthesiologists with a Dmand AI profile, by place and practice. Each opens the list.
6,593anesthesiologists in California31anesthesiologists in Greenbrae27anesthesiologists at MarinHealth Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Raymond Vytas Gylys billed Medicare for 11 services in 2024
CMS data shows 11 Medicare services from Dr. Gylys across 1 procedure code in 2024, for 90 Medicare patients. Medicare paid $1,276 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 202411
Medicare patients90
Paid by Medicare$1,276
Procedure codes1
Dr. Gylys compared with the California median for anesthesiologists, 2024
- Dr. Gylys
- California median
- Medicare services
- 11vs 7285% below
- Medicare patients
- 90vs 14337% below
Medians across 5,562 anesthesiologists in California with Dmand AI profiles that report each measure.
Dr. Gylys' 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. Gylys?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Gylys and other anesthesiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Raymond Vytas Gylys treated 90 Medicare patients in 2024, average age 75
CMS counts 90 Medicare patients who saw Dr. Gylys in 2024. The largest group is 75 to 84, with 36 patients. 75% of them have high cholesterol, and 68% have high blood pressure. 19% are also on Medicaid. Their average risk score is 1.14, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Gylys' median patient age at 62, with 57% women.
Medicare patients, 202490
Average age75
Average risk score1.14
Also on Medicaid19%
Dr. Gylys' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Gylys' Medicare patients by sex, 2024
- Women5258%
- Men3842%
Chronic conditions among Dr. Gylys' Medicare patients, 2024
- High cholesterol75%
- High blood pressure68%
- Arthritis52%
- Cancer28%
- Ischemic heart disease27%
- Anxiety24%
- Atrial fibrillation24%
- Chronic kidney disease23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gylys' 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
- Women57%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Raymond Vytas Gylys takes part in Medicare
Dr. Gylys accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
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Dr. Raymond Vytas Gylys has 4 publications on record
Dmand AI links 4 papers to Dr. Gylys, published from 2014 to 2023. 2014 was the busiest year, with 2. Dr. Gylys' most frequent co-authors are Philip E. Bickler, MD, John R. Feiner, MD and Michael S. Lipnick, MD.
Papers4
Years published2014 to 2023
Dr. Gylys' papers by year, 2014 to 2023
Dr. Gylys' most frequent co-authors
- Philip E. Bickler, MD1 shared paper
- John R. Feiner, MD1 shared paper
- Michael S. Lipnick, MD1 shared paper
Recent publications by Dr. Gylys
Delivery of Health CareQuality ImprovementSan Francisco
ADAM17 ProteinADAM ProteinsAging
See who Dr. Gylys researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Gylys works with, so you can find a warm path to the right anesthesiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Raymond Vytas Gylys received $128 in industry payments from 2024 to 2025
CMS Open Payments shows 2 general payments to Dr. Gylys from 2 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Fisher & Paykel Healthcare Inc paid the most, $100.
General payments to Dr. Gylys by program year, 2024 to 2025
Companies that paid Dr. Gylys the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Raymond Vytas Gylys graduated from UCSF School of Medicine
Dr. Gylys graduated from UCSF School of Medicine in 2020.
- Medical school
- Board certified in anesthesiology
Source: Dmand AI Professional Profile Data
Dr. Raymond Vytas Gylys accepts plans from 1 insurance carrier
Dr. Gylys is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
- CMS Medicare
Source: Dmand AI Insurance Network Data
Sources for Dr. Raymond Vytas Gylys'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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 |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Raymond Vytas Gylys
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. Raymond Vytas Gylys' NPI number?
Dr. Raymond Vytas Gylys' NPI number is 1124647235. It was assigned on April 9, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. Raymond Vytas Gylys?
Dr. Raymond Vytas Gylys is an anesthesiologist in Greenbrae, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Raymond Vytas Gylys practice?
Dr. Gylys practices at 250 Bon Air Road, Greenbrae, CA 94904. Dr. Gylys' primary practice is MarinHealth Medical Center in Greenbrae, California, part of Marin Healthcare District.
What is Dr. Raymond Vytas Gylys' office phone number?
The practice phone on file for Dr. Gylys is (415) 925-7900.
What is Dr. Raymond Vytas Gylys' medical license number?
Dr. Gylys holds California license A188137.
Which hospitals is Dr. Raymond Vytas Gylys affiliated with?
Dr. Gylys practices at MarinHealth Medical Center in Greenbrae, California. Dr. Gylys is also affiliated with Sonoma Valley Hospital.
What medical group is Dr. Raymond Vytas Gylys part of?
Dr. Gylys is linked to Anesthesiology Consultants of Marin.
Does Dr. Raymond Vytas Gylys accept Medicare?
Yes. CMS data shows Dr. Gylys billed Medicare for 11 services in 2024, and Dr. Gylys accepts Medicare assignment.
How many Medicare patients does Dr. Raymond Vytas Gylys see?
CMS counts 90 Medicare patients who saw Dr. Gylys in 2024, with an average age of 75.
Is Dr. Raymond Vytas Gylys board certified?
Yes. Dr. Gylys is board certified in anesthesiology by the American Board of Anesthesiology.
Show 7 more questionsShow fewer questions
What services does Dr. Raymond Vytas Gylys bill to Medicare?
In 2024, Dr. Gylys' most billed Medicare services were anesthesia (00731).
Where did Dr. Raymond Vytas Gylys go to medical school?
Dr. Gylys graduated from UCSF School of Medicine in 2020.
Has Dr. Raymond Vytas Gylys received payments from drug or device companies?
CMS Open Payments shows $128 in general payments to Dr. Gylys from 2 companies from 2024 to 2025. The largest total came from Fisher & Paykel Healthcare Inc.
How long has Dr. Raymond Vytas Gylys been practicing?
Dr. Gylys graduated from medical school in 2020, 6 years ago.
Does Dr. Raymond Vytas Gylys do research?
Dmand AI links 4 publications to Dr. Gylys, published from 2014 to 2023.
Who does Dr. Raymond Vytas Gylys publish with?
Dr. Gylys' most frequent co-authors are Philip E. Bickler, MD (1 shared paper), John R. Feiner, MD (1 shared paper) and Michael S. Lipnick, MD (1 shared paper).
What insurance does Dr. Raymond Vytas Gylys accept?
Dr. Gylys is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
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