Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1922671700 Individual Practitioner Male Practitioner

Oliver Johnson

Physician Assistant • Springfield, MA

Professional Overview & Biography Verified Profile Summary

Oliver Johnson is a registered healthcare professional specializing in Physician Assistant in Springfield, MA. Practice services are available at 819 WORCESTER ST STE 1 under active NPI credentials.

Frequently performed procedures and clinical services include subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least, subsequent nursing facility care with high level of medical decision making, per day, if using time, at least, subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

819 Worcester St Ste 1

Springfield, MA 011511056

Telephone 4133042501
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Springfield, MA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 11.5 Yrs
State Avg: 10.0 Yrs
Regional Practice Density
176 Specialists

Practicing in Springfield, MA (4746 Statewide)

Telehealth Adoption Rate
9.1% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
39.9% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

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
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes
490 80 $164.00 $91.39
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes
206 54 $164.00 $91.32
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes
51 37 $189.00 $129.88
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes
32 24 $189.00 $129.42
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes
29 18 $119.00 $63.14
99316 Nursing facility discharge management, more than 30 minutes
24 22 $177.00 $110.74
99497 Advance care planning, first 30 minutes
12 12 $129.00 $63.60

Medical Specialties & State Licenses

CMS Verified: 2025-09-11
Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License MA PA8349

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.

Practice Associates & Co-Workers

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

15 Associated Practitioners
Dr. Feng Wang , MD

Physical Medicine & Rehabilitation

NPI 1033181656

Doctor of Medicine (M.D.)

Jennifer Killips , NP

Nurse Practitioner - Family

NPI 1104399278

Nurse Practitioner

Dr. Adnan Dahdul , MD

Internal Medicine

NPI 1104802362

Doctor of Medicine (M.D.)

Betty Cheng , NP

Nurse Practitioner

NPI 1184805707

Nurse Practitioner

Shadrack Maingi , PA-C

Physician Assistant - Medical

NPI 1215599188

Physician Assistant (Certified)

Dr. May Awkal , MD

Internal Medicine

NPI 1316181027

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

9 Historical Events
🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) September 11, 2025

Physician Assistant (License #PA8349 in MA)

📍
Updated Practice Location May 22, 2023

Registered at 819 WORCESTER ST STE 1, SPRINGFIELD, MA 011511056 (Tel: 4133042501)

📍
Updated Business Mailing Address May 22, 2023

Registered at 819 WORCESTER ST STE 1, SPRINGFIELD, MA 011511056

NPI Profile Active July 20, 2021

NPI status registered as active in NPPES database

📍
Updated Practice Location July 20, 2021

Registered at 230 SILVER ST, MONSON, MA 010579439 (Tel: 4132408008)

📍
Updated Business Mailing Address July 20, 2021

Registered at 230 SILVER ST, MONSON, MA 010579439

👤
Provider Name / Credentials Updated July 20, 2021

Recorded as OLIVER JOHNSON

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 20, 2021

Physician Assistant

🟢
Initial NPI Registration & Enumeration July 20, 2021

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: 1922671700
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: July 20, 2021
Last Update: September 11, 2025
Sole Proprietor: No

Mailing Address

819 Worcester St Ste 1

Springfield, MA 011511056

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.