Active NPI 1003058520 Individual Practitioner Male Practitioner

Dr. Robert S Armstrong , MD

Surgery • West Seneca, NY

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Robert Armstrong, MD is a certified Surgery practicing in West Seneca, NY. With approximately 17 years of clinical experience since graduating from Wright State University Boonshoft School Of Medicine in 2009, Dr. Armstrong delivers high-quality medical care to the local community at 550 ORCHARD PARK RD STE A103.

Dr. Armstrong is affiliated with Surgical Associates Of Western Ny Pc and accepts Medicare assignment.

Frequently performed procedures and clinical services include initial hospital care with straightforward or low-level medical decision making, if using time, at least, follow-up hospital inpatient care per day, 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

550 Orchard Park Rd Ste A103

West Seneca, NY 142242654

Telephone 7166775500

Fax 7166775008

Associated Practice Facility / Clinic

🏢 Surgical Associates Of Western Ny Pc Facility NPI 1275588600

Medicare Profile & Education

Medical School

Wright State University Boonshoft School Of Medicine

Graduation Year

2009

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in West Seneca, NY

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

17 Yrs -6.2 yrs vs City Avg

City Avg: 23.2 Yrs

State Avg: 27.8 Yrs

Regional Practice Density

9 Specialists

Practicing in West Seneca, NY (2269 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

57.2% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Armstrong (17 Years) 17 Yrs

West Seneca Specialty Average (23.2 Years) 23.2 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
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	58	55	$317.68	$120.69
99231 Follow-up hospital inpatient care per day, typically 15 minutes	56	41	$92.85	$46.50
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	27	27	$246.83	$105.91
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	26	26	$379.78	$158.44
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	24	15	$168.08	$74.39
99213 Established patient office or other outpatient visit, typically 15 minutes	18	15	$166.38	$85.98
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	16	16	$247.05	$121.76
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	15	13	$99.75	$53.47
49650 Repair of groin hernia using an endoscope	13	13	$969.20	$382.88

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	57	39	$92.85	$47.57
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	50	50	$317.68	$124.84
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	23	21	$99.75	$54.09
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	18	18	$379.78	$159.74
99213 Established patient office or other outpatient visit, typically 15 minutes	16	15	$166.38	$86.54
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	15	15	$246.83	$107.36
99221 Initial hospital inpatient care per day, typically 30 minutes	13	13	$232.85	$79.44
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	12	12	$247.05	$122.73

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	69	50	$92.85	$37.38
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	42	41	$317.68	$130.59
99213 Established patient office or other outpatient visit, typically 15 minutes	27	21	$166.38	$85.21
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	21	21	$379.78	$162.70
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	20	15	$168.08	$68.87
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	20	20	$246.83	$108.80
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	16	16	$247.05	$125.32
99221 Initial hospital inpatient care per day, typically 30 minutes	11	11	$232.85	$87.75
49650 Repair of groin hernia using an endoscope	11	11	$969.20	$420.96
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	11	11	$99.75	$54.85

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	82	44	$92.85	$37.03
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	49	49	$317.68	$132.57
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	24	19	$168.08	$70.12
99213 Established patient office or other outpatient visit, typically 15 minutes	23	17	$166.38	$89.64
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	19	19	$379.78	$164.74
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	15	15	$246.83	$110.08
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	15	12	$247.05	$119.06

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	64	63	$317.68	$132.57
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	56	37	$168.08	$70.95
99231 Follow-up hospital inpatient care per day, typically 15 minutes	49	38	$92.85	$36.24
99213 Established patient office or other outpatient visit, typically 15 minutes	24	23	$166.38	$60.84
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	14	14	$246.83	$98.78
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	14	11	$99.75	$43.04
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	11	11	$379.78	$146.43

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	87	57	$92.85	$36.24
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	68	66	$317.68	$132.03
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	54	41	$168.08	$70.27
99213 Established patient office or other outpatient visit, typically 15 minutes	32	25	$166.38	$71.29
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	22	19	$99.75	$43.21
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	17	17	$379.78	$158.18
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	16	16	$246.83	$103.80
47562 Removal of gallbladder using an endoscope	11	11	$1699.48	$630.08

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	103	65	$92.85	$37.76
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	63	62	$317.68	$132.22
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	37	29	$168.08	$70.53
99213 Established patient office or other outpatient visit, typically 15 minutes	26	24	$166.38	$70.42
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	16	16	$379.78	$158.27

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	84	47	$92.85	$37.98
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	63	49	$168.08	$69.99
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	45	44	$318.01	$132.36
99213 Established patient office or other outpatient visit, typically 15 minutes	45	31	$166.38	$70.12
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	24	20	$99.75	$41.71
99221 Initial hospital inpatient care per day, typically 30 minutes	19	17	$232.85	$97.80
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	16	16	$379.78	$157.81
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	12	12	$246.83	$103.43
47562 Removal of gallbladder using an endoscope	11	11	$1699.48	$632.86

Medical Specialties & State Licenses

CMS Verified: 2026-05-05

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License NY 274206-1

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Additional State Medicaid & Healthcare Payer Identifiers

Commercial Insurance / Payer ID Npi

1003058520 (NY)

Hospital & Practice Group Affiliations

Surgical Associates Of Western Ny Pc

550 Orchard Park Rd, West Seneca, NY 142242654

Phone: 7166775500

Practice Associates & Co-Workers

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

12 Associated Practitioners

Dr. Kenneth Eckhert , MD

Surgery

NPI 1427026327

Doctor of Medicine (M.D.)

Dr. Matthew Behringer , DO

Surgery

NPI 1437513728

Doctor of Osteopathic Medicine (D.O.)

Marcia Krzywicki , ANP

Nurse Practitioner - Adult Health

NPI 1487654802

Adult Nurse Practitioner

Susan Rajczak , ANP

Nurse Practitioner - Adult Health

NPI 1578563995

Adult Nurse Practitioner

Courtney Moran , FNP

Nurse Practitioner - Family

NPI 1588108765

Family Nurse Practitioner

Paula Miller , RPA-C

Physician Assistant - Surgical

NPI 1598737140

RPAC

Career & Practice History Timeline

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

7 Historical Events

📍

Updated Practice Location May 05, 2026

Registered at 550 ORCHARD PARK RD STE A103, WEST SENECA, NY 142242654 (Tel: 7166775500)

✅

NPI Profile Active July 02, 2014

NPI status registered as active in NPPES database

📍

Updated Practice Location July 02, 2014

Registered at 550 ORCHARD PARK RD, STE A103, WEST SENECA, NY 142242646 (Tel: 7166775500)

📍

Updated Business Mailing Address July 02, 2014

Registered at 550 ORCHARD PARK RD STE A103, WEST SENECA, NY 142242654 (Tel: 7166775500)

👤

Provider Name / Credentials Updated July 02, 2014

Recorded as ROBERT ARMSTRONG, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 02, 2014

Surgery (License #274206-1 in NY)

🟢

Initial NPI Registration & Enumeration March 30, 2009

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: 1003058520

Entity Type:

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

Enumeration Date: March 30, 2009

Last Update: May 05, 2026

Sole Proprietor: No

Update or Correct Profile

Mailing Address

550 Orchard Park Rd Ste A103

West Seneca, NY 142242654

Phone: 7166775500

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.