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Active NPI 1275834061 Individual Practitioner Female Practitioner

Catharine Mary Armentrout , FNP

Nurse Practitioner • Springfield, MA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Catharine Armentrout, FNP is a certified Nurse Practitioner practicing in Springfield, MA. With approximately 16 years of clinical experience since completing medical education in 2010, Catharine Armentrout delivers high-quality medical care to the local community at 1049 MAIN ST.

Catharine Armentrout maintains professional affiliations with Umass Memorial Medical Group Inc, Holyoke Medical Center Inc and accepts Medicare assignment.

Frequently performed procedures and clinical services include subsequent hospital care with moderate levelof medical decision making, if using time, at least, hospital discharge day management, follow-up hospital inpatient care per day. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1049 Main St

Springfield, MA 011032114

Telephone 4137391100
Associated Practice Facility / Clinic
🏢 Caring Health Center Inc Facility NPI 1013336247

Medicare Profile & Education

Medical School

Other

Graduation Year

2010

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Nurse Practitioner in Springfield, MA

Established Specialist (10-20 Yrs)
Practitioner Clinical Experience
16 Yrs +6.2 yrs vs City Avg
City Avg: 9.8 Yrs
State Avg: 12.5 Yrs
Regional Practice Density
58 Specialists

Practicing in Springfield, MA (3545 Statewide)

Telehealth Adoption Rate
12.1% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
72.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Armentrout (16 Years) 16 Yrs
Springfield Specialty Average (9.8 Years) 9.8 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
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes
80 59 $238.00 $65.98

Medical Specialties & State Licenses

CMS Verified: 2026-08-06
Nurse Practitioner Primary Specialty

NUCC Taxonomy Code: 363L00000X

State License MA RN2311164

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

Nurse Practitioner - Family

NUCC Taxonomy Code: 363LF0000X

State License NY 336548

Definition to come...

Hospital & Practice Group Affiliations

Umass Memorial Medical Group Inc

55 Lake Ave N, Worcester, MA 016550002

Phone: 5083341000

Holyoke Medical Center Inc

575 Beech St, Holyoke, MA 010402223

Phone: 4135342546

Secondary Practice Locations

100 South St

Southbridge, MA 015504051

Phone: 5089097735

68 Harris Bushville Rd

Harris, NY 12742

Phone: 8453338484

707 E Main St

Middletown, NY 109402650

Phone: 8453333370

Practice Associates & Co-Workers

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

40 Associated Practitioners
Ismael Cintron Gonzalez , LCSW

Social Worker - Clinical

NPI 1003289927

Licensed Clinical Social Worker

Karina Kovalevich , RN, BSN, MSN, FNP-BC

Nurse Practitioner - Family

NPI 1013517887

Registered Nurse, Bachelor of Science in Nursing, Master of Science in Nursing, Family Nurse Practitioner (Board Certified)

NPI 1043449556

Doctor of Dental Medicine

Sushma Gurung , NP

Nurse Practitioner - Family

NPI 1043563653

Nurse Practitioner

Austin Kirby

Registered Nurse - Community Health

NPI 1083551220
Karen Reuter , RN

Registered Nurse

NPI 1104771401

Registered Nurse

Career & Practice History Timeline

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

13 Historical Events
📍
Updated Practice Location August 06, 2026

Registered at 1049 MAIN ST, SPRINGFIELD, MA 011032114 (Tel: 4137391100)

📍
Updated Business Mailing Address August 06, 2026

Registered at 1049 MAIN ST, SPRINGFIELD, MA 011032114 (Tel: 4137391100)

📍
Updated Practice Location March 18, 2026

Registered at 100 SOUTH ST, SOUTHBRIDGE, MA 015504051 (Tel: 5089097735)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) November 27, 2023

Nurse Practitioner (License #336548 in NY)

📍
Updated Practice Location January 29, 2019

Registered at 55 LAKE AVE N, WORCESTER, MA 016550002 (Tel: 5083343452)

📍
Updated Business Mailing Address January 29, 2019

Registered at PO BOX 415348, BOSTON, MA 022415348 (Tel: 8002258885)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) January 29, 2019

Nurse Practitioner (License #RN2311164 in MA)

NPI Profile Active September 26, 2016

NPI status registered as active in NPPES database

📍
Updated Practice Location September 26, 2016

Registered at 759 CHESTNUT ST, S2668, SPRINGFIELD, MA 011071619 (Tel: 4137945550)

📍
Updated Business Mailing Address September 26, 2016

Registered at 280 CHESTNUT ST, 2ND FLOOR, SPRINGFIELD, MA 011991001 (Tel: 4137945700)

👤
Provider Name / Credentials Updated September 26, 2016

Recorded as CATHARINE ARMENTROUT, FNP

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) September 26, 2016

Nurse Practitioner (License #RN2311164 in MA)

🟢
Initial NPI Registration & Enumeration November 09, 2010

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: 1275834061
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: November 09, 2010
Last Update: August 06, 2026
Sole Proprietor: No

Mailing Address

1049 Main St

Springfield, MA 011032114

Phone: 4137391100

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.