Active NPI 1598938284 Individual Practitioner Male Practitioner

Errill Cruz Avecilla , PA-C

Physician Assistant • Stanford, CA

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Errill Avecilla, PA-C is a certified Physician Assistant practicing in Stanford, CA. With approximately 28 years of clinical experience since completing medical education in 1998, Errill Avecilla delivers high-quality medical care to the local community at 300 PASTEUR DR.

Errill Avecilla is affiliated with Stanford Health Care and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include established patient outpatient office visit, new patient outpatient office visit, injection into tendon or ligament. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

300 Pasteur Dr

Stanford, CA 943052200

Telephone 6507234000

Associated Practice Facility / Clinic

🏢 Stanford Hospital And Clinic Facility NPI 1285683292

Medicare Profile & Education

Medical School

Other

Graduation Year

1998

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Stanford, CA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

28 Yrs +18.1 yrs vs City Avg

City Avg: 9.9 Yrs

State Avg: 11.5 Yrs

Regional Practice Density

482 Specialists

Practicing in Stanford, CA (14617 Statewide)

Telehealth Adoption Rate

40.5% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

63.6% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Avecilla (28 Years) 28 Yrs

Stanford Specialty Average (9.9 Years) 9.9 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	146	107	$148.51	$66.37
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	68	68	$209.65	$126.46
20550 Injection into tendon or ligament	19	17	$398.00	$36.20
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	18	18	$127.33	$92.51

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	173	132	$115.29	$63.56
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	42	42	$142.14	$79.14
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	40	40	$182.00	$128.26
20550 Injection into tendon or ligament	15	14	$573.47	$38.27

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	130	106	$102.45	$63.95
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	62	62	$124.52	$79.15
20550 Injection into tendon or ligament	20	18	$752.75	$39.66

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	89	78	$88.17	$65.70
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	72	72	$116.25	$79.11
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	51	40	$113.49	$34.72

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	74	59	$66.19	$49.65
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	54	43	$113.07	$24.91
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	18	18	$132.61	$73.16
99202 New patient office or other outpatient visit, typically 20 minutes	18	18	$120.33	$48.91

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	97	79	$67.24	$49.15
99202 New patient office or other outpatient visit, typically 20 minutes	45	45	$65.00	$48.54
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	32	29	$32.00	$24.34
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	27	27	$92.00	$72.24

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	88	76	$61.00	$48.69
99202 New patient office or other outpatient visit, typically 20 minutes	48	48	$65.00	$47.92
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	33	31	$32.00	$24.09
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	28	28	$92.00	$71.97

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	97	79	$83.52	$48.52
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	54	54	$203.89	$72.99
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	28	27	$32.00	$24.12
99202 New patient office or other outpatient visit, typically 20 minutes	14	14	$67.64	$48.14

Medical Specialties & State Licenses

CMS Verified: 2025-12-23

Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License CA 21590

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Physician Assistant - Medical

NUCC Taxonomy Code: 363AM0700X

State License PA MA002828L

Definition to come...

Physician Assistant - Surgical

NUCC Taxonomy Code: 363AS0400X

State License CA 21590

Definition to come...

Hospital & Practice Group Affiliations

Stanford Health Care

420 Broadway St, Redwood City, CA 940633132

Phone: 6507234000

Stanford Health Care

450 Broadway St, Redwood City, CA 940633132

Phone: 6507234000

Stanford Health Care

300 Pasteur Dr, Stanford, CA 943052200

Phone: 6507234000

Secondary Practice Locations

450 Broadway Street Stanford Hospital And Clinics, Hand-Plastics, Pavillion A, 2nd Floor

Redwood City, CA 94063

Phone: 6507235256

Practice Associates & Co-Workers

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

40 Associated Practitioners

Dr. Andrew Picel , MD

Radiology - Vascular & Interventional Radiology

NPI 1003012444

Doctor of Medicine (M.D.)

Dr. Matthew Wright , MD PHD

Psychiatry & Neurology - Psychiatry

NPI 1003041559

MDPHD

Dr. Quazi Al-Tariq , MD

Radiology - Diagnostic Radiology

NPI 1003059395

Doctor of Medicine (M.D.)

Angie Murkins , NP

Nurse Practitioner

NPI 1003061508

Nurse Practitioner

Dr. Jamshid Ghajar , MD PHD

Neurological Surgery

NPI 1003094384

MDPHD

Dr. Yu Kuang Lai , MD

Internal Medicine - Critical Care Medicine

NPI 1003127846

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

9 Historical Events

📍

Updated Practice Location March 13, 2023

Registered at 300 PASTEUR DR, STANFORD, CA 943052200 (Tel: 6507234000)

📍

Updated Business Mailing Address March 13, 2023

Registered at 300 PASTEUR DR, STANFORD, CA 943052200 (Tel: 6507234000)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) March 13, 2023

Physician Assistant (License #MA002828L in PA)

✅

NPI Profile Active November 05, 2013

NPI status registered as active in NPPES database

📍

Updated Practice Location November 05, 2013

Registered at 450 BROADWAY STREET STANFORD HOSPITAL AND CLINICS, HAND-PLASTICS, PAVILLION A, 2ND FLOOR, REDWOOD CITY, CA 94063 (Tel: 6507235256)

📍

Updated Business Mailing Address November 05, 2013

Registered at 3222 SOUTHWYCKE TER, FREMONT, CA 945361974 (Tel: 7074168831)

👤

Provider Name / Credentials Updated November 05, 2013

Recorded as ERRILL AVECILLA, PA-C

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) November 05, 2013

Physician Assistant (License #PA21590 in CA)

🟢

Initial NPI Registration & Enumeration April 02, 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: 1598938284

Entity Type:

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

Enumeration Date: April 02, 2008

Last Update: December 23, 2025

Sole Proprietor: No

Update or Correct Profile

Mailing Address

300 Pasteur Dr

Stanford, CA 943052200

Phone: 6507234000

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.