Active NPI 1720046089 Individual Practitioner Male Practitioner

Dr. David N Armstrong , MD

Colon & Rectal Surgery • Lawrenceville, GA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. David Armstrong, MD is a certified Colon & Rectal Surgery practicing in Lawrenceville, GA. With approximately 45 years of clinical experience since completing medical education in 1981, Dr. Armstrong delivers high-quality medical care to the local community at 721 WELLNESS WAY.

Dr. Armstrong is affiliated with Health Services Of Central Georgia and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, new patient outpatient office visit, insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

721 Wellness Way
Ste 200

Lawrenceville, GA 300463304

Telephone 7702774277

Fax 7709955742

Associated Practice Facility / Clinic

🏢 Northeast Endoscopy Center, Llc Facility NPI 1578531208

Medicare Profile & Education

Medical School

Other

Graduation Year

1981

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Colon & Rectal Surgery in Lawrenceville, GA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

45 Yrs Matches City Avg

City Avg: 45.0 Yrs

State Avg: 26.0 Yrs

Regional Practice Density

1 Specialists

Practicing in Lawrenceville, GA (81 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

80.8% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Armstrong (45 Years) 45 Yrs

Lawrenceville Specialty Average (45.0 Years) 45.0 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
99213 Established patient office or other outpatient visit, typically 15 minutes	89	67	$225.83	$84.04
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	79	79	$416.90	$153.66
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	58	49	$318.45	$118.39
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	41	41	$286.02	$104.24
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	13	13	$4139.10	$300.49
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	12	12	$140.00	$52.33
99221 Initial hospital inpatient care per day, typically 30 minutes	12	12	$205.25	$78.82
44207 Partial removal of large bowel and reattachment to rectum using an endoscope	12	12	$7395.94	$1727.66
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	11	11	$618.00	$17.03

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	14	14	$540.00	$206.88
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	14	14	$408.00	$147.04

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	62	46	$392.00	$128.38
99213 Established patient office or other outpatient visit, typically 15 minutes	29	23	$276.00	$90.72
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	25	25	$666.28	$221.86
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	21	21	$507.00	$166.64

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	76	51	$370.45	$130.61
99213 Established patient office or other outpatient visit, typically 15 minutes	57	45	$253.89	$92.04
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	41	41	$650.76	$223.14
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	19	19	$494.89	$169.02
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	18	17	$400.00	$135.30
46221 Removal of external hemorrhoids by rubber banding	13	11	$800.00	$298.56

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	48	38	$314.00	$109.07
99213 Established patient office or other outpatient visit, typically 15 minutes	38	34	$213.00	$75.90
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	30	30	$484.00	$166.21
46600 Diagnostic examination of the anus using an endoscope	23	21	$264.00	$105.33
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	21	21	$601.00	$210.11
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	19	13	$129.00	$45.97
45378 Diagnostic exam of large bowel using a flexible endoscope	12	12	$747.00	$152.07
46221 Removal of external hemorrhoids by rubber banding	11	11	$800.00	$162.21

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	65	50	$213.00	$74.30
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	54	46	$314.00	$108.80
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	40	40	$484.00	$164.75
46600 Diagnostic examination of the anus using an endoscope	35	35	$264.00	$96.62
46221 Removal of external hemorrhoids by rubber banding	24	22	$800.00	$184.19
45378 Diagnostic exam of large bowel using a flexible endoscope	20	19	$747.00	$113.53

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	65	46	$213.00	$73.12
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	46	46	$484.00	$165.19
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	34	31	$314.00	$107.85
46600 Diagnostic examination of the anus using an endoscope	19	18	$264.00	$90.41
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	18	17	$129.00	$43.97
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	18	18	$317.00	$108.70
45378 Diagnostic exam of large bowel using a flexible endoscope	14	14	$747.00	$180.24
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	11	11	$588.00	$204.33

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	59	43	$129.00	$43.37
99213 Established patient office or other outpatient visit, typically 15 minutes	53	39	$213.00	$72.86
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	35	35	$484.00	$163.90
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	17	15	$314.00	$107.11
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	16	16	$317.00	$103.38
99221 Initial hospital inpatient care per day, typically 30 minutes	12	12	$296.00	$101.49
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	11	11	$601.00	$206.13

Medical Specialties & State Licenses

CMS Verified: 2020-10-12

Colon & Rectal Surgery Primary Specialty

NUCC Taxonomy Code: 208C00000X

State License GA 036677

A colon and rectal surgeon is trained to diagnose and treat various diseases of the intestinal tract, colon, rectum, anal canal and perianal area by medical and surgical means. This specialist also deals with other organs and tissues (such as the liver, urinary and female reproductive system) involved with primary intestinal disease.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

00538953A (GA)

Commercial Insurance / Payer ID Aetna Hmo

519517

Commercial Insurance / Payer ID Kaiser

1247

Commercial Insurance / Payer ID Aetna Non Hmo

4338334

Commercial Insurance / Payer ID Bcbs

52450780

Commercial Insurance / Payer ID United Healthcare

1406534

Commercial Insurance / Payer ID Hmo

0749371006

Hospital & Practice Group Affiliations

Health Services Of Central Georgia

800 1st St, Macon, GA 312018308

Phone: 4786336900

Practice Associates & Co-Workers

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

10 Associated Practitioners

Dr. David Swift , MD

Colon & Rectal Surgery

NPI 1093210254

Doctor of Medicine (M.D.)

Dr. Jessica Lam , MD

Colon & Rectal Surgery

NPI 1114451382

Doctor of Medicine (M.D.)

Dr. David Meyer , MD

Colon & Rectal Surgery

NPI 1366805780

Doctor of Medicine (M.D.)

Dr. Cici Zhang , MD

Colon & Rectal Surgery

NPI 1528328077

Doctor of Medicine (M.D.)

Dr. Timothy Simon , MD

Colon & Rectal Surgery

NPI 1609824416

Doctor of Medicine (M.D.)

Dr. Frances Hu , MD

Colon & Rectal Surgery

NPI 1689105306

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

11 Historical Events

✅

NPI Profile Active January 24, 2017

NPI status registered as active in NPPES database

📍

Updated Practice Location January 24, 2017

Registered at 721 WELLNESS WAY, STE 200, LAWRENCEVILLE, GA 300463304 (Tel: 7702774277)

📍

Updated Business Mailing Address January 24, 2017

Registered at 1000 JOHNSON FY RD NE, NORTHSIDE HOSPITAL - MANAGED CARE, ATLANTA, GA 303421606 (Tel: 4043002476)

👤

Provider Name / Credentials Updated January 24, 2017

Recorded as DAVID ARMSTRONG, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) January 24, 2017

Colon & Rectal Surgery (License #036677 in GA)

✅

NPI Profile Active February 12, 2010

NPI status registered as active in NPPES database

📍

Updated Practice Location February 12, 2010

Registered at 5555 PEACHTREE DUNWOODY RD NE, SUITE 206, ATLANTA, GA 303421703 (Tel: 7702774277)

📍

Updated Business Mailing Address February 12, 2010

Registered at 5555 PEACHTREE DUNWOODY RD NE, SUITE 206, ATLANTA, GA 303421703 (Tel: 7702774277)

👤

Provider Name / Credentials Updated February 12, 2010

Recorded as DAVID ARMSTRONG, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) February 12, 2010

Colon & Rectal Surgery (License #036677 in GA)

🟢

Initial NPI Registration & Enumeration May 03, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

0 Reviews

No patient reviews submitted yet for Dr. David Armstrong. Be the first to share your experience!

Only verified registered users can submit ratings, post feedback, and upload facility photos.

NPI Administrative Meta

NPI Number: 1720046089

Entity Type:

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

Enumeration Date: May 03, 2006

Last Update: October 12, 2020

Sole Proprietor: No

Update or Correct Profile

Mailing Address

1000 Johnson Fy Rd Ne, Northside Hospital - Managed Care

Atlanta, GA 303421606

Phone: 4043002476

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.