Dr. Sunil S. Rayan, MD

  • Encinitas, CA
  • Vascular surgeon
NPI1174606016PAC ID6406832542
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
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Personal email
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Mobile number
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Social profiles

Primary practice

Scripps Encinitas Surgery Center

Surgery Center - Medicare-Certified · Encinitas, California

See all 5 affiliations

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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 and contact details
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 Center
    320 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.

See all 5 affiliations for Dr. Rayan

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.

EHR by site
SiteEHR vendor and product
Scripps Encinitas Surgery CenterAvailable with a free account
+4 more affiliated sitesAvailable 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, CaliforniaPrimaryLicense A87655 · 2004 to 2026 · taxonomy 2086S0129X
  • Florida license2011 to 2021
  • Georgia license2002 to 2005

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.

Medicare services, 20243,451
Medicare patients608
Paid by Medicare$698,565
Procedure codes31

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.

See all procedures by Dr. Rayan

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Rayan and other vascular surgeons in California.

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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.

Medicare patients, 2024608
Average age77
Average risk score1.80
Also on Medicaid10%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis59%
  4. Ischemic heart disease42%
  5. Chronic kidney disease35%
  6. Atrial fibrillation34%
  7. Diabetes29%
  8. 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.

Part D claims, 2024344
Drugs named by CMS6
Total drug cost$22,113
Part D patients152

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.

See all prescribing by Dr. Rayan

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.

Papers8

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

Recent publications by Dr. Rayan

See all 8 publications and co-authors

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.

How network discovery works

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

$62.9Kin total
  • 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.

See all payments to Dr. Rayan

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

  1. 2014
    • CMS Stage 1 EHR
  2. 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.

  1. Medical schoolDrexel University College Of Medicine
  2. Board certified in vascular surgeryAmerican Board of 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

  1. PPO10
  2. Medicare9
  3. HMO6
  4. POS6
  5. EPO4

Source: Dmand AI Insurance Network Data

Sources for Dr. Sunil S. Rayan's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors 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-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand 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.

Selling to vascular surgery practices?

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