Active NPI 1336395276 Individual Practitioner Male Practitioner

Dr. Raul Antonio Raya-Silva , MD

Anesthesiology • Dover, DE

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Raul Raya-Silva, MD is a certified Anesthesiology practicing in Dover, DE. With approximately 28 years of clinical experience since completing medical education in 1998, Dr. Raya-Silva delivers high-quality medical care to the local community at 640 S STATE ST.

Dr. Raya-Silva maintains professional affiliations with Bay Anesthesia Associates Llc, Anesthesiology Associates Of Tallahassee Inc and accepts Medicare assignment.

Frequently performed procedures and clinical services include anesthesia for procedure on large bowel using an endoscope, anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope, anesthesia for procedure on heart and large blood vessels. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

640 S State St

Dover, DE 199013530

Telephone 6174477463

Associated Practice Facility / Clinic

🏢 Bayhealth Medical Center / Kent General Hospital Facility NPI 1962495838

Medicare Profile & Education

Medical School

Other

Graduation Year

1998

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Anesthesiology in Dover, DE

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

28 Yrs +1.7 yrs vs City Avg

City Avg: 26.3 Yrs

State Avg: 30.5 Yrs

Regional Practice Density

12 Specialists

Practicing in Dover, DE (130 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

90.9% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Raya-Silva (28 Years) 28 Yrs

Dover Specialty Average (26.3 Years) 26.3 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
00811 Anesthesia for procedure on large bowel using an endoscope	100	100	$766.56	$66.53
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope	82	80	$802.39	$69.21
00560 Anesthesia for procedure on heart and large blood vessels	62	58	$2560.26	$231.67
93312 Ultrasound of heart with probe in esophagus, with report	49	47	$408.00	$102.49
93320 Ultrasound of heart blood flow, valves and chambers	48	47	$149.00	$17.14
93325 Doppler ultrasound study of color-directed heart blood flow, rate, and valve function	47	47	$104.00	$2.96
00813 Anesthesia for procedure on small and large bowel using an endoscope	35	35	$936.69	$79.92
00902 Anesthesia for procedure on anus and rectum	30	30	$845.60	$72.34
01922 Anesthesia for x-ray or radiation therapy	28	28	$1106.14	$94.51
00520 Anesthesia for closed procedure in chest	19	19	$1131.16	$96.71
00790 Anesthesia for procedure in upper abdomen including use of an endoscope	19	18	$2025.47	$173.12
00812 Anesthesia for exam of colon using an endoscope	17	17	$587.29	$49.96
00530 Anesthesia for insertion of permanent heart pacemaker	15	15	$1112.00	$95.12
00400 Anesthesia for procedure on skin of arms, legs, or trunk	12	12	$757.00	$70.73
01402 Anesthesia for procedure for total knee joint replacement	11	11	$1882.91	$159.50

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
01922 Anesthesia for x-ray or radiation therapy	41	41	$1138.83	$99.47
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope	40	38	$915.00	$80.94
00560 Anesthesia for procedure on heart and large blood vessels	37	37	$2669.84	$236.17
93312 Ultrasound of heart with probe in esophagus, with report	37	37	$408.00	$106.53
93325 Doppler ultrasound study of color-directed heart blood flow, rate, and valve function	33	33	$104.00	$3.08
00811 Anesthesia for procedure on large bowel using an endoscope	32	32	$730.13	$66.61
93320 Ultrasound of heart blood flow, valves and chambers	31	31	$149.00	$17.76
01402 Anesthesia for procedure for total knee joint replacement	20	19	$1719.60	$152.09
00813 Anesthesia for procedure on small and large bowel using an endoscope	20	20	$939.60	$83.12
00530 Anesthesia for insertion of permanent heart pacemaker	19	19	$1237.89	$107.04
00790 Anesthesia for procedure in upper abdomen including use of an endoscope	19	19	$2398.11	$212.11
00400 Anesthesia for procedure on skin of arms, legs, or trunk	17	17	$810.35	$74.81
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve)	17	16	$476.00	$63.34
64415 Injection of anesthetic agent, brachial (arm) nerve bundle	16	15	$570.00	$69.83
00910 Anesthesia for other procedure on urinary system through urethra	15	15	$884.00	$82.37
01214 Anesthesia for total hip replacement	14	14	$2100.00	$197.76
00812 Anesthesia for exam of colon using an endoscope	13	13	$586.15	$51.88
01926 Anesthesia for x-ray on artery of brain, heart, or chest	13	13	$1868.31	$144.04
00732 Anesthesia for procedure on gallbladder, pancreas, or liver using an endoscope	13	12	$1688.31	$149.34
01638 Anesthesia for open or endoscopic total shoulder joint replacement	13	12	$2131.38	$188.51
00902 Anesthesia for procedure on anus and rectum	12	12	$1006.00	$88.99

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
00811 Anesthesia for procedure on large bowel using an endoscope	76	75	$698.21	$64.40
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope	62	59	$814.84	$73.43
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	46	45	$68.00	$31.51
00560 Anesthesia for procedure on heart and large blood vessels	34	34	$2959.76	$277.77
93312 Ultrasound of heart with probe in esophagus, with report	31	31	$408.00	$109.79
93325 Doppler ultrasound study of color-directed heart blood flow, rate, and valve function	30	30	$104.00	$3.15
00813 Anesthesia for procedure on small and large bowel using an endoscope	29	29	$928.14	$83.79
93320 Ultrasound of heart blood flow, valves and chambers	28	28	$149.00	$18.20
00902 Anesthesia for procedure on anus and rectum	23	23	$876.52	$85.10
01402 Anesthesia for procedure for total knee joint replacement	22	21	$1764.00	$159.78
00790 Anesthesia for procedure in upper abdomen including use of an endoscope	20	20	$1831.20	$165.36
01922 Anesthesia for x-ray or radiation therapy	20	20	$1119.00	$100.67
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve)	19	19	$476.00	$53.82
64415 Injection of anesthetic agent, brachial (arm) nerve bundle	17	16	$544.00	$64.37
00530 Anesthesia for insertion of permanent heart pacemaker	17	17	$1094.82	$98.95
00812 Anesthesia for exam of colon using an endoscope	15	15	$552.80	$49.94
00400 Anesthesia for procedure on skin of arms, legs, or trunk	14	14	$1012.29	$91.88
00567 Anesthesia for heart artery bypass grafting on heart-lung machine	13	13	$5451.69	$525.26
00840 Anesthesia for procedure in lower abdominal cavity including use of an endoscope	13	12	$1762.15	$158.65
01810 Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand	12	12	$576.00	$80.30
01480 Anesthesia for open procedure on bones of lower leg, ankle and foot	12	12	$989.00	$82.72
01830 Anesthesia for open or endoscopic procedure on bones of forearm, wrist, or hand	12	12	$1149.00	$142.96
00910 Anesthesia for other procedure on urinary system through urethra	11	11	$876.00	$86.90
00534 Anesthesia for insertion or replace of pacing heart defibrillator	11	11	$1700.73	$154.18

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
00811 Anesthesia for procedure on large bowel using an endoscope	39	38	$744.92	$70.01
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope	35	35	$763.89	$69.71
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	35	34	$68.00	$32.01
00400 Anesthesia for procedure on skin of arms, legs, or trunk	26	26	$888.46	$92.96
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve)	25	24	$490.56	$53.24
93320 Ultrasound of heart blood flow, valves and chambers	24	24	$149.00	$18.55
93325 Doppler ultrasound study of color-directed heart blood flow, rate, and valve function	24	24	$104.00	$3.22
01402 Anesthesia for procedure for total knee joint replacement	24	24	$1896.50	$175.97
00902 Anesthesia for procedure on anus and rectum	23	23	$990.78	$90.48
00560 Anesthesia for procedure on heart and large blood vessels	23	23	$3263.48	$298.20
00530 Anesthesia for insertion of permanent heart pacemaker	21	21	$1144.00	$113.03
93312 Ultrasound of heart with probe in esophagus, with report	19	19	$408.00	$111.53
00813 Anesthesia for procedure on small and large bowel using an endoscope	18	18	$914.67	$93.08
00790 Anesthesia for procedure in upper abdomen including use of an endoscope	17	17	$2164.24	$197.76
01810 Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand	17	17	$649.41	$100.24
64415 Injection of anesthetic agent, brachial (arm) nerve bundle	16	16	$570.00	$65.37
01214 Anesthesia for total hip replacement	14	14	$2199.43	$214.99
00567 Anesthesia for heart artery bypass grafting on heart-lung machine	13	13	$5508.00	$543.94
01638 Anesthesia for open or endoscopic total shoulder joint replacement	13	13	$2194.15	$200.49
31500 Emergent insertion of breathing tube into windpipe cartilage using an endoscope	12	12	$408.00	$146.86
01922 Anesthesia for x-ray or radiation therapy	12	12	$1157.00	$114.58
01480 Anesthesia for open procedure on bones of lower leg, ankle and foot	11	11	$1381.09	$135.77
00534 Anesthesia for insertion or replace of pacing heart defibrillator	11	11	$1641.82	$161.49

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope	29	29	$846.21	$81.78
93320 Ultrasound of heart blood flow, valves and chambers	28	28	$149.00	$19.10
93325 Doppler ultrasound study of color-directed heart blood flow, rate, and valve function	28	28	$104.00	$3.30
00560 Anesthesia for procedure on heart and large blood vessels	26	26	$3011.54	$283.89
01402 Anesthesia for procedure for total knee joint replacement	24	23	$2002.50	$188.76
00400 Anesthesia for procedure on skin of arms, legs, or trunk	23	23	$968.87	$99.04
00790 Anesthesia for procedure in upper abdomen including use of an endoscope	22	22	$2038.91	$192.05
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve)	22	21	$476.00	$56.25
00811 Anesthesia for procedure on large bowel using an endoscope	20	20	$749.40	$67.79
00902 Anesthesia for procedure on anus and rectum	20	20	$1044.60	$98.23
93312 Ultrasound of heart with probe in esophagus, with report	19	19	$408.00	$114.29
31500 Emergent insertion of breathing tube into windpipe cartilage using an endoscope	18	18	$408.00	$152.72
64415 Injection of anesthetic agent, brachial (arm) nerve bundle	14	14	$544.00	$67.38
01214 Anesthesia for total hip replacement	13	13	$2184.92	$206.27
01480 Anesthesia for open procedure on bones of lower leg, ankle and foot	12	12	$965.00	$105.85
00534 Anesthesia for insertion or replace of pacing heart defibrillator	12	12	$1811.00	$169.85
00567 Anesthesia for heart artery bypass grafting on heart-lung machine	12	12	$5241.00	$600.50
00840 Anesthesia for procedure in lower abdominal cavity including use of an endoscope	11	11	$2014.91	$190.29
00910 Anesthesia for other procedure on urinary system through urethra	11	11	$810.55	$76.33

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	44	41	$68.00	$32.71
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope	27	27	$808.00	$74.23
01402 Anesthesia for procedure for total knee joint replacement	27	27	$2078.22	$192.82
00811 Anesthesia for procedure on large bowel using an endoscope	27	27	$741.33	$79.64
00530 Anesthesia for insertion of permanent heart pacemaker	26	25	$1270.15	$117.67
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve)	25	25	$476.00	$70.19
93325 Doppler ultrasound study of color-directed heart blood flow, rate, and valve function	21	21	$104.00	$3.22
93320 Ultrasound of heart blood flow, valves and chambers	21	21	$149.00	$18.67
93312 Ultrasound of heart with probe in esophagus, with report	19	19	$408.00	$111.72
00400 Anesthesia for procedure on skin of arms, legs, or trunk	18	18	$812.67	$75.19
00670 Anesthesia for procedure on spine and spinal cord	18	18	$3387.33	$314.24
01480 Anesthesia for open procedure on bones of lower leg, ankle and foot	17	17	$1013.65	$94.01
64415 Injection of anesthetic agent, brachial (arm) nerve bundle	17	15	$544.00	$67.37
00790 Anesthesia for procedure in upper abdomen including use of an endoscope	17	17	$2297.65	$213.26
31500 Emergent insertion of breathing tube into windpipe cartilage using an endoscope	16	16	$408.00	$147.15
00813 Anesthesia for procedure on small and large bowel using an endoscope	14	14	$849.43	$84.19
00840 Anesthesia for procedure in lower abdominal cavity including use of an endoscope	14	14	$2259.43	$207.72
00910 Anesthesia for other procedure on urinary system through urethra	14	14	$856.29	$79.42
00534 Anesthesia for insertion or replace of pacing heart defibrillator	13	13	$1824.92	$169.25
00560 Anesthesia for procedure on heart and large blood vessels	12	12	$3474.00	$322.24
01810 Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand	11	11	$759.27	$103.10
01922 Anesthesia for x-ray or radiation therapy	11	11	$1156.36	$107.25
01214 Anesthesia for total hip replacement	11	11	$2376.00	$252.03

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope	56	56	$803.14	$74.22
00811 Anesthesia for procedure on large bowel using an endoscope	46	45	$701.22	$64.81
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	38	38	$68.00	$33.03
00813 Anesthesia for procedure on small and large bowel using an endoscope	28	28	$888.00	$82.06
01922 Anesthesia for x-ray or radiation therapy	23	23	$1220.87	$112.83
00790 Anesthesia for procedure in upper abdomen including use of an endoscope	23	23	$2467.30	$228.01
01402 Anesthesia for procedure for total knee joint replacement	23	23	$1942.96	$172.36
00520 Anesthesia for closed procedure in chest	21	21	$1218.95	$117.71
93312 Ultrasound of heart with probe in esophagus, with report	20	20	$408.00	$111.61
93325 Doppler ultrasound study of color-directed heart blood flow, rate, and valve function	20	20	$104.00	$3.22
93320 Ultrasound of heart blood flow, valves and chambers	19	19	$149.00	$18.65
00410 Anesthesia for procedure to correct abnormal heart rhythm	19	19	$629.43	$64.32
00400 Anesthesia for procedure on skin of arms, legs, or trunk	18	18	$995.33	$91.98
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve)	18	18	$476.00	$68.73
31500 Emergent insertion of breathing tube into windpipe cartilage using an endoscope	16	14	$408.00	$146.52
00530 Anesthesia for insertion of permanent heart pacemaker	16	16	$1395.00	$128.92
00534 Anesthesia for insertion or replace of pacing heart defibrillator	15	15	$1852.00	$171.15
00840 Anesthesia for procedure in lower abdominal cavity including use of an endoscope	14	14	$2322.00	$214.59
00567 Anesthesia for heart artery bypass grafting on heart-lung machine	12	12	$5218.00	$554.95
01638 Anesthesia for open or endoscopic total shoulder joint replacement	12	12	$2339.00	$204.82
00560 Anesthesia for procedure on heart and large blood vessels	12	11	$3456.00	$339.81
64415 Injection of anesthetic agent, brachial (arm) nerve bundle	11	11	$544.00	$67.30

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
00740 Anesthesia for procedure on gastrointestinal tract using an endoscope	25	25	$832.80	$76.62
00810 Anesthesia for procedure on lower intestine using an endoscope	19	19	$884.84	$81.36
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	17	17	$68.00	$33.02
00910 Anesthesia for other procedure on urinary system through urethra	17	17	$996.00	$91.64
01402 Anesthesia for procedure for total knee joint replacement	13	13	$1971.69	$181.40
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve)	12	12	$476.00	$68.30

Medical Specialties & State Licenses

CMS Verified: 2025-07-08

Anesthesiology Primary Specialty

NUCC Taxonomy Code: 207L00000X

State License DE DR-0012205

An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.

Additional State Medicaid & Healthcare Payer Identifiers

Commercial Insurance / Payer ID Massachusetts Board Of Registration In Medicine

237523 (MA)

Hospital & Practice Group Affiliations

Anesthesiology Associates Of Tallahassee Inc

1300 Miccosukee Rd, Tallahassee, FL 323085054

Phone: 9549395000

Bay Anesthesia Associates Llc

640 S State St, Dover, DE 199013530

Phone: 3026744700

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

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Doctor of Medicine (M.D.)

Abigail Kozhuharov

Nurse Practitioner - Acute Care

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Dr. Safwan Muhammad , MD

Internal Medicine

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Doctor of Medicine (M.D.)

Rebecca Antal , PA-C

Physician Assistant

NPI 1013735018

Physician Assistant (Certified)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

9 Historical Events

📍

Updated Practice Location July 08, 2025

Registered at 640 S STATE ST, DOVER, DE 199013530 (Tel: 6174477463)

📍

Updated Business Mailing Address July 08, 2025

Registered at 1958 CENTRAL CHURCH RD, DOVER, DE 199041241 (Tel: 6177326861)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2025

Anesthesiology (License #DR-0012205 in DE)

✅

NPI Profile Active August 12, 2008

NPI status registered as active in NPPES database

📍

Updated Practice Location August 12, 2008

Registered at 75 FRANCIS ST, BOSTON, MA 021156110 (Tel: 6177326861)

📍

Updated Business Mailing Address August 12, 2008

Registered at 75 FRANCIS ST, BOSTON, MA 021156110 (Tel: 6177326861)

👤

Provider Name / Credentials Updated August 12, 2008

Recorded as RAUL RAYA-SILVA, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) August 12, 2008

Surgery (License #237526 in MA)

🟢

Initial NPI Registration & Enumeration August 12, 2008

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1336395276

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: August 12, 2008

Last Update: July 08, 2025

Sole Proprietor: No

Update or Correct Profile

Mailing Address

1958 Central Church Rd

Dover, DE 199041241

Phone: 6177326861

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.