Active NPI 1255451639 Individual Practitioner Male Practitioner

Dr. Patrick Armstrong , MD

Anesthesiology • Durham, NC

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Patrick Armstrong, MD is a certified Anesthesiology practicing in Durham, NC. With approximately 21 years of clinical experience since graduating from Northwestern University Feinberg Medical School in 2005, Dr. Armstrong delivers high-quality medical care to the local community at 2100 ERWIN ROAD.

Dr. Armstrong is affiliated with Anesthesia Associates Of Morristown Pa and accepts Medicare assignment.

Frequently performed procedures and clinical services include injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve), injection of anesthetic agent, other peripheral nerve or branch, anesthesia for procedure for total knee joint replacement. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

2100 Erwin Road

Durham, NC 277100001

Telephone 9196848111

Associated Practice Facility / Clinic

🏢 Duke University Health System, Inc. Facility NPI 1821094509

Medicare Profile & Education

Medical School

Northwestern University Feinberg Medical School

Graduation Year

2005

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Anesthesiology in Durham, NC

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

21 Yrs +0.8 yrs vs City Avg

City Avg: 20.2 Yrs

State Avg: 24.8 Yrs

Regional Practice Density

220 Specialists

Practicing in Durham, NC (1515 Statewide)

Telehealth Adoption Rate

0.9% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

90.8% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Armstrong (21 Years) 21 Yrs

Durham Specialty Average (20.2 Years) 20.2 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
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve)	56	46	$1187.77	$60.84
64450 Injection of anesthetic agent, other peripheral nerve or branch	51	50	$847.29	$26.57
01402 Anesthesia for procedure for total knee joint replacement	50	49	$1548.93	$191.41
00910 Anesthesia for other procedure on urinary system through urethra	23	23	$1077.85	$103.61
01214 Anesthesia for total hip replacement	21	20	$1431.88	$195.72
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope	17	17	$1685.10	$151.81
00840 Anesthesia for procedure in lower abdominal cavity including use of an endoscope	17	17	$2272.56	$196.92
00790 Anesthesia for procedure in upper abdomen including use of an endoscope	16	16	$1861.61	$227.92
00400 Anesthesia for procedure on skin of arms, legs, or trunk	15	15	$1307.15	$111.17
00811 Anesthesia for procedure on large bowel using an endoscope	13	13	$1671.51	$138.84
64415 Injection of anesthetic agent, brachial (arm) nerve bundle	13	13	$1146.28	$69.72

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve)	41	41	$68.34	$63.97
64450 Injection of anesthetic agent, other peripheral nerve or branch	35	35	$114.83	$24.46
01402 Anesthesia for procedure for total knee joint replacement	33	32	$190.77	$189.28
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	28	28	$65.03	$32.75
01214 Anesthesia for total hip replacement	23	23	$173.03	$171.87
00910 Anesthesia for other procedure on urinary system through urethra	22	22	$171.38	$104.56
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope	18	18	$146.26	$145.40
00790 Anesthesia for procedure in upper abdomen including use of an endoscope	17	17	$287.39	$285.07
00104 Anesthesia for electroshock therapy	16	13	$208.28	$121.22
00840 Anesthesia for procedure in lower abdominal cavity including use of an endoscope	16	16	$207.09	$205.82
64415 Injection of anesthetic agent, brachial (arm) nerve bundle	14	14	$73.18	$72.72
36620 Insertion of artery tube for blood sampling or infusion through skin	14	14	$46.69	$46.39
76937 Ultrasonic guidance for blood vessel access	13	13	$44.99	$15.20
01922 Anesthesia for x-ray or radiation therapy	12	12	$209.38	$206.57
00812 Anesthesia for exam of colon using an endoscope	11	11	$147.10	$124.73
01210 Anesthesia for other procedure on hip joint	11	11	$242.84	$241.14

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	54	54	$75.64	$32.77
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve)	36	36	$60.63	$53.00
01402 Anesthesia for procedure for total knee joint replacement	29	29	$187.25	$185.48
00910 Anesthesia for other procedure on urinary system through urethra	23	22	$115.28	$113.59
64450 Injection of anesthetic agent, other peripheral nerve or branch	23	23	$318.74	$25.79
01214 Anesthesia for total hip replacement	18	18	$432.19	$209.45
36620 Insertion of artery tube for blood sampling or infusion through skin	16	16	$47.59	$47.16
00790 Anesthesia for procedure in upper abdomen including use of an endoscope	16	16	$543.29	$241.01
00902 Anesthesia for procedure on anus and rectum	14	14	$156.67	$155.36
76937 Ultrasonic guidance for blood vessel access	12	12	$46.82	$14.73
00812 Anesthesia for exam of colon using an endoscope	12	12	$272.27	$124.74
64415 Injection of anesthetic agent, brachial (arm) nerve bundle	12	12	$68.43	$67.75
01810 Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand	11	11	$108.67	$107.31
00840 Anesthesia for procedure in lower abdominal cavity including use of an endoscope	11	11	$415.00	$170.10

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	56	56	$65.72	$34.08
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve)	39	39	$60.69	$58.37
01402 Anesthesia for procedure for total knee joint replacement	33	33	$224.07	$178.35
64450 Injection of anesthetic agent, other peripheral nerve or branch	32	32	$319.39	$24.90
01214 Anesthesia for total hip replacement	28	28	$416.02	$187.97
00910 Anesthesia for other procedure on urinary system through urethra	28	28	$260.16	$108.41
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope	14	14	$164.21	$164.24
64415 Injection of anesthetic agent, brachial (arm) nerve bundle	13	13	$70.57	$66.86
36620 Insertion of artery tube for blood sampling or infusion through skin	11	11	$48.96	$48.36

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	31	31	$65.72	$34.75
01214 Anesthesia for total hip replacement	28	28	$204.35	$203.81
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve)	26	26	$61.45	$60.13
01402 Anesthesia for procedure for total knee joint replacement	26	26	$324.18	$191.04
64450 Injection of anesthetic agent, other peripheral nerve or branch	26	26	$365.76	$24.45
00910 Anesthesia for other procedure on urinary system through urethra	19	18	$143.67	$107.93
00790 Anesthesia for procedure in upper abdomen including use of an endoscope	15	15	$303.14	$300.77

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	52	52	$72.58	$34.87
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve)	28	28	$77.85	$70.29
01402 Anesthesia for procedure for total knee joint replacement	27	27	$270.73	$208.70
00910 Anesthesia for other procedure on urinary system through urethra	26	26	$168.38	$123.75
36620 Insertion of artery tube for blood sampling or infusion through skin	15	15	$48.73	$48.44
01214 Anesthesia for total hip replacement	14	14	$236.59	$235.00
01638 Anesthesia for open or endoscopic total shoulder joint replacement	14	14	$570.59	$287.57
64415 Injection of anesthetic agent, brachial (arm) nerve bundle	14	14	$323.77	$63.07
00530 Anesthesia for insertion of permanent heart pacemaker	14	14	$258.47	$256.73
01810 Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand	13	13	$153.66	$112.95
00790 Anesthesia for procedure in upper abdomen including use of an endoscope	12	12	$342.36	$340.17
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope	12	12	$165.80	$163.02
00670 Anesthesia for procedure on spine and spinal cord	11	11	$504.12	$500.89
00812 Anesthesia for exam of colon using an endoscope	11	11	$277.43	$130.84

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	73	72	$68.54	$34.91
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve)	44	43	$79.16	$70.61
01402 Anesthesia for procedure for total knee joint replacement	33	33	$199.93	$196.60
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope	31	31	$175.98	$172.99
01936 Anesthesia for X-ray procedure (accessed through the skin) on spine and spinal cord	26	25	$210.12	$156.04
01214 Anesthesia for total hip replacement	23	23	$216.28	$212.40
01638 Anesthesia for open or endoscopic total shoulder joint replacement	19	19	$255.97	$251.71
00910 Anesthesia for other procedure on urinary system through urethra	18	18	$109.49	$107.54
01922 Anesthesia for x-ray or radiation therapy	14	14	$402.07	$234.85
00790 Anesthesia for procedure in upper abdomen including use of an endoscope	14	14	$594.46	$362.12
64415 Injection of anesthetic agent, brachial (arm) nerve bundle	13	13	$70.99	$69.85
36620 Insertion of artery tube for blood sampling or infusion through skin	12	12	$48.25	$47.48

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	59	59	$77.63	$34.88
00810 Anesthesia for procedure on lower intestine using an endoscope	33	33	$265.77	$167.03
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve)	31	31	$132.18	$75.73
01402 Anesthesia for procedure for total knee joint replacement	28	28	$335.93	$209.48
00740 Anesthesia for procedure on gastrointestinal tract using an endoscope	20	20	$225.53	$160.20
01214 Anesthesia for total hip replacement	18	18	$212.17	$208.53
36620 Insertion of artery tube for blood sampling or infusion through skin	13	13	$55.94	$55.04
00790 Anesthesia for procedure in upper abdomen including use of an endoscope	13	13	$463.43	$355.53
01630 Anesthesia for open or endoscopic procedure at upper arm and shoulder joint including	11	11	$205.84	$202.52
64416 Continuous infusion of anesthetic agent and/or steroid into arm nerve bundle through catheter	11	11	$85.86	$84.49

Medical Specialties & State Licenses

Anesthesiology Primary Specialty

NUCC Taxonomy Code: 207L00000X

State License NC 2009-00473

An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.

Student in an Organized Health Care Education/Training Program

NUCC Taxonomy Code: 390200000X

State License MI 4301087395

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

Anesthesia Associates Of Morristown Pa

100 Madison Ave, Morristown, NJ 079606136

Phone: 9739715539

Anesthesia Associates Of Morristown Pa

111 Madison Ave, Morristown, NJ 079606097

Phone: 9739716900

Anesthesia Associates Of Morristown Pa

651 Willow Grove St, Hackettstown, NJ 078401799

Phone: 9088525100

Practice Associates & Co-Workers

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

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Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active July 29, 2009

NPI status registered as active in NPPES database

📍

Updated Practice Location July 29, 2009

Registered at 2100 ERWIN ROAD, DURHAM, NC 277100001 (Tel: 9196848111)

📍

Updated Business Mailing Address July 29, 2009

Registered at 4101 N ROXBORO ST, DURHAM, NC 277042121 (Tel: 9196205041)

👤

Provider Name / Credentials Updated July 29, 2009

Recorded as PATRICK ARMSTRONG, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 29, 2009

Anesthesiology (License #2009-00473 in NC)

🟢

Initial NPI Registration & Enumeration March 30, 2007

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: 1255451639

Entity Type:

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

Enumeration Date: March 30, 2007

Last Update: July 29, 2009

Sole Proprietor: No

Update or Correct Profile

Mailing Address

4101 N Roxboro St

Durham, NC 277042121

Phone: 9196205041

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.