Active NPI 1982084950 Individual Practitioner Female Practitioner

Olivia Simpson , PA-C

Physician Assistant • Escondido, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Olivia Simpson, PA-C is a certified Physician Assistant practicing in Escondido, CA. With approximately 11 years of clinical experience since completing medical education in 2015, Olivia Simpson delivers high-quality medical care to the local community at 215 S HICKORY ST STE 114.

Olivia Simpson accepts Medicare assignment.

Frequently performed procedures and clinical services include new patient outpatient office visit, detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19), established patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

215 S Hickory St Ste 114

Escondido, CA 920254360

Telephone 3219459159

Associated Practice Facility / Clinic

🏢 Christian R Small Md A Professional Corporation Facility NPI 1285213132

Medicare Profile & Education

Medical School

Other

Graduation Year

2015

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Escondido, CA

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

11 Yrs -1.5 yrs vs City Avg

City Avg: 12.5 Yrs

State Avg: 11.5 Yrs

Regional Practice Density

55 Specialists

Practicing in Escondido, CA (14617 Statewide)

Telehealth Adoption Rate

7.3% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

69.8% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Simpson (11 Years) 11 Yrs

Escondido Specialty Average (12.5 Years) 12.5 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2023)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	22	22	$312.00	$94.19

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	50	50	$308.38	$95.05
87811 Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19)	39	39	$124.14	$40.87
99213 Established patient office or other outpatient visit, typically 15 minutes	37	32	$260.00	$76.46
87804 Detection test by immunoassay with direct visual observation for influenza virus	17	17	$40.80	$16.27
81003 Automated urinalysis test	16	14	$15.00	$2.23

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	40	37	$250.28	$77.62
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	35	35	$292.80	$95.89
87811 Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19)	21	21	$124.14	$41.38
81003 Automated urinalysis test	18	17	$15.00	$2.25
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	14	14	$331.00	$143.72
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	11	11	$275.00	$110.25

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	52	49	$212.33	$91.36
99202 New patient office or other outpatient visit, typically 20 minutes	40	40	$150.70	$63.97
99213 Established patient office or other outpatient visit, typically 15 minutes	29	27	$144.00	$63.88
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	26	26	$216.00	$91.69

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	91	79	$212.19	$91.77
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	60	60	$215.48	$92.62
81003 Automated urinalysis test	29	27	$15.00	$2.44
99213 Established patient office or other outpatient visit, typically 15 minutes	16	15	$144.00	$63.11
99202 New patient office or other outpatient visit, typically 20 minutes	15	15	$148.00	$64.93

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	45	43	$212.59	$89.04
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	37	37	$217.08	$90.29
99213 Established patient office or other outpatient visit, typically 15 minutes	13	12	$144.00	$61.69
81003 Automated urinalysis test	12	12	$15.00	$2.71

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	22	20	$324.00	$90.86
99213 Established patient office or other outpatient visit, typically 15 minutes	18	16	$220.00	$61.61

Medical Specialties & State Licenses

CMS Verified: 2026-04-27

Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License FL PA9108740

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 CA 60919

Definition to come...

Practice Associates & Co-Workers

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

18 Associated Practitioners

Laura Cronin , PA

Physician Assistant

NPI 1023445483

Physician Assistant

Rafael Ramos , PA-C

Physician Assistant

NPI 1164775003

Physician Assistant (Certified)

Seahyun Park , AGPCNP-BC

Nurse Practitioner

NPI 1285286195

AGPCNPBC

Cheryl Flores , FNP-C

Nurse Practitioner

NPI 1306309026

Family Nurse Practitioner (Certified)

Dr. Marcie Santillan , FNP, DNP

Nurse Practitioner - Family

NPI 1306694518

Family Nurse Practitioner, Doctor of Nursing Practice

Joseph Martin

Nurse Practitioner - Psychiatric/Mental Health

NPI 1326515990

Career & Practice History Timeline

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

13 Historical Events

📍

Updated Practice Location April 27, 2026

Registered at 215 S HICKORY ST STE 114, ESCONDIDO, CA 920254360 (Tel: 3219459159)

📍

Updated Business Mailing Address April 27, 2026

Registered at 10729 TIPPECANOE PL, PARRISH, FL 342192268 (Tel: 3219459159)

📍

Updated Practice Location July 21, 2024

Registered at 7000 4TH ST N, SAINT PETERSBURG, FL 337025903 (Tel: 7275002604)

📍

Updated Business Mailing Address July 21, 2024

Registered at 225 1ST AVE N UNIT 2600, SAINT PETERSBURG, FL 337013747 (Tel: 3219459159)

📍

Updated Practice Location April 26, 2019

Registered at 5355 RED BUG LAKE RD, WINTER SPRINGS, FL 327084909 (Tel: 3213043300)

📍

Updated Business Mailing Address April 26, 2019

Registered at 5355 RED BUG LAKE RD, WINTER SPRINGS, FL 327084909 (Tel: 3213043300)

👤

Provider Name / Credentials Updated April 26, 2019

Recorded as OLIVIA SIMPSON, PA-C

✅

NPI Profile Active August 05, 2016

NPI status registered as active in NPPES database

📍

Updated Practice Location August 05, 2016

Registered at 800 N MAITLAND AVE, SUITE 101, MAITLAND, FL 327514489 (Tel: 4073023133)

📍

Updated Business Mailing Address August 05, 2016

Registered at 235 N WESTMONTE DR, ALTAMONTE SPRINGS, FL 327143345 (Tel: 4073895300)

👤

Provider Name / Credentials Updated August 05, 2016

Recorded as OLIVIA NOSSAIR, PA-C

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) August 05, 2016

Physician Assistant (License #PA9108740 in FL)

🟢

Initial NPI Registration & Enumeration June 04, 2015

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: 1982084950

Entity Type:

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

Enumeration Date: June 04, 2015

Last Update: April 27, 2026

Sole Proprietor: No

Update or Correct Profile

Mailing Address

10729 Tippecanoe Pl

Parrish, FL 342192268

Phone: 3219459159

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.