Active NPI 1184695488 Individual Practitioner Male Practitioner

Dr. Gregorio Joel Asuncion Castillo , MD

Internal Medicine • El Paso, TX

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Gregorio Joel Castillo, MD is a certified Internal Medicine practicing in El Paso, TX. With approximately 36 years of clinical experience since completing medical education in 1990, Dr. Castillo delivers high-quality medical care to the local community at 10501 VISTA DEL SOL DR.

Dr. Castillo accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit, administration of influenza virus vaccine. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

10501 Vista Del Sol Dr
Suite 200

El Paso, TX 799257940

Telephone 9155928880

Fax 9155928883

Associated Practice Facility / Clinic

🏢 Srinivas Reddy Chitti Md Pa Facility NPI 1891796892

Medicare Profile & Education

Medical School

Other

Graduation Year

1990

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in El Paso, TX

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

36 Yrs +14.4 yrs vs City Avg

City Avg: 21.6 Yrs

State Avg: 26.2 Yrs

Regional Practice Density

275 Specialists

Practicing in El Paso, TX (9538 Statewide)

Telehealth Adoption Rate

12.4% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

2.6% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Castillo (36 Years) 36 Yrs

El Paso Specialty Average (21.6 Years) 21.6 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
99213 Established patient office or other outpatient visit, typically 15 minutes	150	87	$75.00	$74.20
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	47	47	$113.00	$110.74
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	33	24	$128.00	$122.62
G0008 Administration of influenza virus vaccine	18	18	$15.00	$14.70

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	219	103	$75.00	$74.07
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	49	49	$113.00	$110.74
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	34	31	$128.00	$122.96
G0008 Administration of influenza virus vaccine	16	15	$15.00	$14.70
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	16	15	$30.00	$21.80

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	214	106	$75.00	$74.47
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	80	80	$113.00	$112.71
G0008 Administration of influenza virus vaccine	18	17	$15.00	$14.73
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	18	17	$30.00	$21.03
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	12	12	$128.00	$124.36

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	260	115	$75.00	$75.53
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	114	83	$128.00	$127.16
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	27	26	$30.00	$20.49
G0008 Administration of influenza virus vaccine	27	26	$15.00	$15.00
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	18	15	$45.00	$45.26

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	177	99	$75.00	$73.07
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	84	84	$167.00	$164.42
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	59	43	$128.00	$106.31
G0444 Annual depression screening, 5 to 15 minutes	47	47	$18.00	$17.48
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	33	29	$45.00	$44.05
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	32	32	$27.81	$19.58
G0008 Administration of influenza virus vaccine	32	32	$15.00	$15.00

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	291	132	$128.00	$102.42
99213 Established patient office or other outpatient visit, typically 15 minutes	230	125	$74.86	$69.90
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	37	37	$167.00	$157.11
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	37	37	$17.43	$16.26
G0008 Administration of influenza virus vaccine	37	37	$15.00	$14.70

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	431	166	$127.31	$98.34
99213 Established patient office or other outpatient visit, typically 15 minutes	89	70	$73.97	$66.97
90674 Influenza vaccine, quadrivalent derived from cell cultures, preservative and antibiotic free	16	16	$25.00	$23.57

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	352	165	$128.00	$96.92
99213 Established patient office or other outpatient visit, typically 15 minutes	264	140	$82.00	$65.68
G0179 Physician re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians to affirm the initial imp	35	17	$45.22	$36.91
G0008 Administration of influenza virus vaccine	23	23	$15.00	$14.70
90674 Influenza vaccine, quadrivalent derived from cell cultures, preservative and antibiotic free	23	23	$24.00	$23.52

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License TX J8950

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Practice Associates & Co-Workers

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

1 Associated Practitioners

Dr. Srinivas Chitti , MD

Internal Medicine - Nephrology

NPI 1629157607

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active November 07, 2011

NPI status registered as active in NPPES database

📍

Updated Practice Location November 07, 2011

Registered at 10501 VISTA DEL SOL DR, SUITE 200, EL PASO, TX 799257940 (Tel: 9155928880)

📍

Updated Business Mailing Address November 07, 2011

Registered at 10501 VISTA DEL SOL DR, SUITE 200, EL PASO, TX 799257940 (Tel: 9155928880)

👤

Provider Name / Credentials Updated November 07, 2011

Recorded as GREGORIO JOEL CASTILLO, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) November 07, 2011

Internal Medicine (License #J8950 in TX)

🟢

Initial NPI Registration & Enumeration January 27, 2006

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: 1184695488

Entity Type:

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

Enumeration Date: January 27, 2006

Last Update: November 07, 2011

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

10501 Vista Del Sol Dr, Suite 200

El Paso, TX 799257940

Phone: 9155928880

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.