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Active NPI 1427679232 Individual Practitioner Male Practitioner

Dr. John Ashton Armstrong , DO

Internal Medicine • Rolla, MO

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. John Armstrong, DO is a certified Internal Medicine practicing in Rolla, MO. With approximately 6 years of clinical experience since graduating from At Still University Of Health Sciences, College Of Osteo Med, Kirksville in 2020, Dr. Armstrong delivers high-quality medical care to the local community at 1050 W 10TH ST.

Dr. Armstrong is affiliated with Pcrmc Medical Group Inc and 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, new 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

1050 W 10th St

Rolla, MO 654012905

Telephone 5733649000
Associated Practice Facility / Clinic
🏢 Pcrmc Medical Group, Inc Facility NPI 1124237227

Medicare Profile & Education

Medical School

At Still University Of Health Sciences, College Of Osteo Med, Kirksville

Graduation Year

2020

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Rolla, MO

Experienced Practitioner (5-10 Yrs)
Practitioner Clinical Experience
6 Yrs -10.9 yrs vs City Avg
City Avg: 16.9 Yrs
State Avg: 25.5 Yrs
Regional Practice Density
14 Specialists

Practicing in Rolla, MO (2747 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
28.6% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Armstrong (6 Years) 6 Yrs
Rolla Specialty Average (16.9 Years) 16.9 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
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
411 204 $97.80 $90.67
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more
105 95 $144.00 $134.32
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit
64 64 $322.00 $117.29
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
37 37 $133.80 $124.73
99495 Transitional care management services for problem of at least moderate complexity
34 27 $141.00 $130.43
99406 Smoking and tobacco use intermediate counseling, greater than 3 minutes up to 10 minutes
11 11 $13.50 $10.96

Medical Specialties & State Licenses

CMS Verified: 2024-02-27
Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License MO 2023028809

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.

Student in an Organized Health Care Education/Training Program

NUCC Taxonomy Code: 390200000X

An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.

Hospital & Practice Group Affiliations

Pcrmc Medical Group Inc

1050 W 10th St, Rolla, MO 654012905

Phone: 5733649000

Secondary Practice Locations

817 Oak Knoll Rd

Rolla, MO 654014715

Phone: 5734660228

1000 W 10th St

Rolla, MO 654012905

Phone: 5733649000

1000 Gw Ln

Waynesville, MO 655832339

Phone: 5737742715

Practice Associates & Co-Workers

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

40 Associated Practitioners
Yam Sharma

Pediatrics

NPI 1003699885
NPI 1023087731

Doctor of Medicine (M.D.)

Dr. Alan Heincker , DO

Orthopaedic Surgery

NPI 1023304037

Doctor of Osteopathic Medicine (D.O.)

Dr. Kelsey Knobbe , MD

Obstetrics & Gynecology

NPI 1023682069

Doctor of Medicine (M.D.)

Dr. Mignon Makos , MD

Psychiatry & Neurology - Neurology

NPI 1043203748

Doctor of Medicine (M.D.)

Steven Ballard , ANP

Nurse Practitioner - Adult Health

NPI 1043454564

Adult Nurse Practitioner

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) February 27, 2024

Internal Medicine (License #2023028809 in MO)

📍
Updated Practice Location July 20, 2023

Registered at 1050 W 10TH ST, ROLLA, MO 654012905 (Tel: 5733649000)

📍
Updated Business Mailing Address July 20, 2023

Registered at 1050 W 10TH ST, ROLLA, MO 654012905 (Tel: 5733649000)

NPI Profile Active May 05, 2020

NPI status registered as active in NPPES database

📍
Updated Practice Location May 05, 2020

Registered at 817 OAK KNOLL RD, ROLLA, MO 654014715 (Tel: 5734660228)

📍
Updated Business Mailing Address May 05, 2020

Registered at 300 CARSON ST, JONESBORO, AR 724013104 (Tel: 8709107799)

👤
Provider Name / Credentials Updated May 05, 2020

Recorded as JOHN ARMSTRONG, DO

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) May 05, 2020

Student in an Organized Health Care Education/Training Program

🟢
Initial NPI Registration & Enumeration May 03, 2020

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: 1427679232
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: May 03, 2020
Last Update: February 27, 2024
Sole Proprietor: No

Mailing Address

1050 W 10th St

Rolla, MO 654012905

Phone: 5733649000

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.