Dr. Sunil S. Rayan, MD
- Medicare services, 2024
- 3,451
- Medicare patients, 2024
- 608
- Part D claims, 2024
- 344
- Publications
- 8
- Hospital affiliations
- 3
- Practice address
- 320 Santa Fe Drive, Suite Ll2, Encinitas, CA 92024
- Practice phone
- Call (760) 632-3920
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Scripps Encinitas Surgery Center
Surgery Center - Medicare-Certified · Encinitas, California
Find Dr. Rayan'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. Sunil S. Rayan is a vascular surgeon in Encinitas, California
Dr. Rayan practices at Scripps Encinitas Surgery Center in Encinitas, California.
Dr. Rayan's NPI, 1174606016, was assigned on October 23, 2006. Dr. Rayan graduated from Drexel University College Of Medicine in 1996. Dr. Rayan holds California license A87655.
- NPI
- 1174606016NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6406832542
- NPI enumeration date
- October 23, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (760) 632-3920
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Sunil S. Rayan practices at Scripps Encinitas Surgery Center in Encinitas, California
Dr. Rayan's primary practice is Scripps Encinitas Surgery Center, at 320 Santa Fe Drive, Suite Ll2, Encinitas, CA 92024. The practice phone is (760) 632-3920.
- Scripps Encinitas Surgery Center320 Santa Fe Drive, Suite Ll2, Encinitas, CA 92024Phone(760) 632-3920
Source: Dmand AI Affiliation Data
Dr. Sunil S. Rayan is affiliated with 5 sites of care
Dr. Rayan's primary practice is Scripps Encinitas Surgery Center in Encinitas, California. Dr. Rayan is also affiliated with Scripps Memorial Hospital Encinitas. Dmand AI also links Dr. Rayan to 2 more hospitals and 1 physician office, 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. Sunil S. Rayan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Rayan practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Scripps Encinitas Surgery Center | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Sunil S. Rayan is one of 532 vascular surgeons in California
Vascular surgery is Dr. Rayan's primary specialty in the NPI Registry, under taxonomy code 2086S0129X. Dr. Rayan is board certified in vascular surgery by the American Board of Surgery. Dmand AI has Dr. Rayan's licenses on file in 3 states: California, Florida and Georgia.
Specialties and state licenses
- Vascular surgery, CaliforniaPrimary
- Florida license
- Georgia license
Clinical focus
Dmand AI lists aortic atherosclerois, arterial blot clot /embolism, blood vessel access for dialysis, carotid revascularization, chronic skin ulcer, deep vein thrombosis (DVT), heart device and aorta surgery and leg revascularization among the conditions Dr. Rayan treats.
Vascular surgeons near Dr. Rayan
Counts of vascular 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. Sunil S. Rayan billed Medicare for 3,451 services in 2024
CMS data shows 3,451 Medicare services from Dr. Rayan across 31 procedure codes in 2024, for 608 Medicare patients. Medicare paid $698,565 for them.
Dr. Rayan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 9552024: 1,82891%
- Office and hospital visits
- 2023: 5702024: 6188%
- Tests and treatments
- 2023: 6652024: 6059%
- Surgery
- 2023: 3082024: 35616%
- Imaging
- 2023: 552024: 4420%
Where Dr. Rayan's Medicare services took place, 2024
- In an office3,20693%
- In a facility2457%
Dr. Rayan compared with the California median for vascular surgeons, 2024
- Dr. Rayan
- California median
- Medicare services
- 3,451vs 6095.7 times
- Medicare patients
- 608vs 2722.2 times
- Part D claims
- 279vs 555.1 times
Medians across 499 vascular surgeons in California with Dmand AI profiles that report each measure.
Dr. Rayan'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. Rayan?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Rayan and other vascular surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Sunil S. Rayan treated 608 Medicare patients in 2024, average age 77
CMS counts 608 Medicare patients who saw Dr. Rayan in 2024. The largest group is 75 to 84, with 268 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 10% are also on Medicaid. Their average risk score is 1.80, 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. Rayan's median patient age at 72, with 51% women.
Dr. Rayan's Medicare patients by age, 2024
Dr. Rayan's Medicare patients by sex, 2024
- Women31051%
- Men29849%
Chronic conditions among Dr. Rayan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis59%
- Ischemic heart disease42%
- Chronic kidney disease35%
- Atrial fibrillation34%
- Diabetes29%
- Heart failure27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Rayan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women51%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Sunil S. Rayan wrote 344 Medicare Part D claims in 2024
In 2024, Dr. Rayan wrote 344 Medicare Part D claims for 152 patients. 88% of them were for generic drugs. CMS names the drug for 279 of them, across 6 drugs with 11 or more claims each, at $22,113 in total drug cost. In 2023, CMS named 489 claims across 9 drugs.
Dr. Rayan's Part D claims by kind of drug, 2024
- Generic302 claims88%
- Brand-name42 claims12%
Dr. Rayan'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. Rayan's Part D claims, 2024
- Opioids8%26 of 344 claims
- Antibiotics5%16 of 344 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: 4892024: 27943%
Drugs named by CMS: 6 in 2024, 9 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. Sunil S. Rayan ranks in the 92nd percentile for leg revascularization (restoring blood flow) in Medicare
Dr. Rayan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Rayan as offering telehealth. CMS counts 39 procedures of leg revascularization (restoring blood flow) by Dr. Rayan, more than 92% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Rayan ranks in Medicare procedure volume
- Varicose vein removal
- 89th percentile172 procedures
- Spinal fusion
- 79th percentile124 procedures
- Leg revascularization (restoring blood flow)
- 92nd percentile39 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. Sunil S. Rayan has 8 publications on record
Dmand AI links 8 papers to Dr. Rayan. The most frequent topics are Blood Vessel Prosthesis Implantation, Aortic Aneurysm, Abdominal and Diabetes Complications. Dr. Rayan has published most often in J Vasc Surg. Dr. Rayan's most frequent co-authors are Cameron Akbari, MD, Frank B. Pomposelli, MD and Thomas Tino Terramani, MD.
Topics Dr. Rayan writes about most
- Blood Vessel Prosthesis Implantation
- Aortic Aneurysm, Abdominal
- Diabetes Complications
- Diabetes Mellitus
- Kidney Failure, Chronic
- Outcome Assessment, Health Care
- Peripheral Vascular Diseases
- Postoperative Complications
Dr. Rayan's most frequent co-authors
- Cameron Akbari, MD3 shared papers
- Frank B. Pomposelli, MD3 shared papers
- Thomas Tino Terramani, MD2 shared papers
Recent publications by Dr. Rayan
Vasc Endovascular Surg
J Vasc Surg
Vascular
See who Dr. Rayan researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Rayan works with, so you can find a warm path to the right vascular surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Sunil S. Rayan received $62,915 in industry payments from 2016 to 2025
CMS Open Payments shows 341 general payments to Dr. Rayan from 44 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 63% of the total. Endologix, Inc. paid the most, $45,790.
General payments to Dr. Rayan by program year, 2016 to 2025
General payments to Dr. Rayan by kind, 2016 to 2025
- Consulting fees$39,60063%
- Food and beverage$15,56925%
- Speaker and faculty fees$6,50010%
- Travel and lodging$1,2002%
- Education$460%
Companies that paid Dr. Rayan 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. Sunil S. Rayan has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Rayan, most recently CMS Stage 1 EHR in 2014.
Awards and honors for Dr. Rayan
- 2014
- CMS Stage 1 EHR
- 2013
- ACS Fellow
Source: Dmand AI Professional Profile Data
Dr. Sunil S. Rayan graduated from Drexel University College Of Medicine
Dr. Rayan graduated from Drexel University College Of Medicine in 1996. Dr. Rayan is a member of SVS.
- Medical school
- Board certified in vascular surgery
Source: Dmand AI Professional Profile Data
Dr. Sunil S. Rayan accepts plans from 16 insurance carriers
Dr. Rayan is in network with 16 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Alliant Health Plans
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- +8 more carriersWith a free account
Plan types Dr. Rayan accepts, by number of carriers
- PPO10
- Medicare9
- HMO6
- POS6
- EPO4
Source: Dmand AI Insurance Network Data
Sources for Dr. Sunil S. Rayan'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) |
| 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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Sunil S. Rayan
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. Sunil S. Rayan's NPI number?
Dr. Sunil S. Rayan's NPI number is 1174606016. It was assigned on October 23, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Sunil S. Rayan?
Dr. Sunil S. Rayan is a vascular surgeon in Encinitas, California. The primary specialty in the NPI Registry is Vascular Surgery Physician (taxonomy code 2086S0129X).
Where does Dr. Sunil S. Rayan practice?
Dr. Rayan practices at 320 Santa Fe Drive, Suite Ll2, Encinitas, CA 92024. Dr. Rayan's primary practice is Scripps Encinitas Surgery Center in Encinitas, California. Dmand AI also links Dr. Rayan to 2 hospitals and 1 physician office.
What is Dr. Sunil S. Rayan's office phone number?
The practice phone on file for Dr. Rayan is (760) 632-3920.
What is Dr. Sunil S. Rayan's medical license number?
Dr. Rayan holds California license A87655, one of the licenses on file in 3 states.
Which states has Dr. Sunil S. Rayan been licensed in?
Dmand AI has state licenses on file for Dr. Rayan in California (2004 to 2026), Florida (2011 to 2021) and Georgia (2002 to 2005).
Which hospitals is Dr. Sunil S. Rayan affiliated with?
Dr. Rayan is affiliated with Scripps Memorial Hospital Encinitas. Dmand AI links Dr. Rayan to 2 more hospitals.
Does Dr. Sunil S. Rayan accept Medicare?
Yes. CMS data shows Dr. Rayan billed Medicare for 3,451 services in 2024, and Dr. Rayan accepts Medicare assignment.
Does Dr. Sunil S. Rayan offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Rayan as offering telehealth services.
How many Medicare patients does Dr. Sunil S. Rayan see?
CMS counts 608 Medicare patients who saw Dr. Rayan in 2024, with an average age of 77.
Show 9 more questionsShow fewer questions
Is Dr. Sunil S. Rayan board certified?
Yes. Dr. Rayan is board certified in vascular surgery by the American Board of Surgery.
What services does Dr. Sunil S. Rayan bill to Medicare?
In 2024, Dr. Rayan's most billed Medicare services were medicare temporary code (Q9967), blood vessel study (93970) and office visit, new patient (99205).
Where did Dr. Sunil S. Rayan go to medical school?
Dr. Rayan graduated from Drexel University College Of Medicine in 1996.
What drugs does Dr. Sunil S. Rayan prescribe most?
In 2024 Medicare Part D data, Dr. Rayan's most prescribed drugs by claims were Clopidogrel, Tamsulosin HCl and Hydrocodone-Acetaminophen.
Has Dr. Sunil S. Rayan received payments from drug or device companies?
CMS Open Payments shows $62,915 in general payments to Dr. Rayan from 44 companies from 2016 to 2025. The largest total came from Endologix, Inc.
How long has Dr. Sunil S. Rayan been practicing?
Dr. Rayan graduated from medical school in 1996, 30 years ago.
Does Dr. Sunil S. Rayan do research?
Dmand AI links 8 publications to Dr. Rayan.
Who does Dr. Sunil S. Rayan publish with?
Dr. Rayan's most frequent co-authors are Cameron Akbari, MD (3 shared papers), Frank B. Pomposelli, MD (3 shared papers) and Thomas Tino Terramani, MD (2 shared papers).
What insurance does Dr. Sunil S. Rayan accept?
Dr. Rayan is in network with 16 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
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