Dr. David N. Armstrong, MD
- Medicare services, 2024
- 327
- Medicare patients, 2024
- 218
- Part D claims, 2024
- 210
- Hospital affiliations
- 1
- Industry payments
- $1.9M
- Practice address
- 777 Hemlock Street, Macon, GA 31201
- Practice phone
- Call (478) 633-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Armstrong's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. David N. Armstrong is a colorectal surgeon in Macon, Georgia
Dr. Armstrong practices at Atrium Health Navicent The Medical Center in Macon, Georgia, part of Advocate Health.
Dr. Armstrong's NPI, 1720046089, was assigned on May 3, 2006. Dr. Armstrong holds Georgia license 036677.
- NPI
- 1720046089NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9931224763
- NPI enumeration date
- May 3, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (478) 633-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 71
- Medical school graduation
- 1981
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. David N. Armstrong practices at Atrium Health Navicent the Medical Center in Macon, Georgia
Dr. Armstrong's primary practice is Atrium Health Navicent the Medical Center, at 777 Hemlock Street, Macon, GA 31201 in Bibb County. The practice phone is (478) 633-1000.
- Atrium Health Navicent the Medical Center777 Hemlock Street, Macon, GA 31201 · Bibb CountyPhone(478) 633-1000
Source: Dmand AI Affiliation Data
Dr. David N. Armstrong is affiliated with 2 sites of care and 1 medical group
Dr. Armstrong's primary practice is Atrium Health Navicent The Medical Center in Macon, Georgia, part of Advocate Health. The medical group on file is Atrium Health Navicent Medical Group. Dmand AI also links Dr. Armstrong to 1 more home health agency, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. David N. Armstrong's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Armstrong practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Atrium Health Navicent The Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Advocate Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. David N. Armstrong is one of 71 colorectal surgeons in Georgia
Colon and rectal surgery is Dr. Armstrong's primary specialty in the NPI Registry, under taxonomy code 208C00000X. Dr. Armstrong is licensed in Georgia.
Specialties and state licenses
- Colon and rectal surgery, GeorgiaPrimary
Colorectal surgeons near Dr. Armstrong
Counts of colorectal surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. David N. Armstrong billed Medicare for 327 services in 2024
CMS data shows 327 Medicare services from Dr. Armstrong across 9 procedure codes in 2024, for 218 Medicare patients. Medicare paid $43,264 for them.
Dr. Armstrong's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 282024: 291939%
- Surgery
- 2023: 02024: 25
- Imaging
- 2023: 02024: 11
Where Dr. Armstrong's Medicare services took place, 2024
- In an office27985%
- In a facility4815%
Dr. Armstrong compared with the Georgia median for colorectal surgeons, 2024
- Dr. Armstrong
- Georgia median
- Medicare services
- 327vs 18775% above
- Medicare patients
- 218vs 13759% above
- Part D claims
- 157vs 11833% above
Medians across 68 colorectal surgeons in Georgia with Dmand AI profiles that report each measure.
Dr. Armstrong's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Armstrong?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Armstrong and other colorectal surgeons in Georgia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David N. Armstrong treated 218 Medicare patients in 2024, average age 71
CMS counts 218 Medicare patients who saw Dr. Armstrong in 2024. The largest group is 65 to 74, with 104 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 16% are also on Medicaid. Their average risk score is 1.45, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Armstrong's median patient age at 69, with 59% women.
Dr. Armstrong's Medicare patients by age, 2024
Dr. Armstrong's Medicare patients by sex, 2024
- Women11352%
- Men10548%
Chronic conditions among Dr. Armstrong's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis49%
- Cancer43%
- Diabetes38%
- Chronic kidney disease36%
- Anxiety32%
- Mood disorders30%
Share of Medicare patients with each condition. A patient can have several.
Dr. Armstrong's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women59%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. David N. Armstrong wrote 210 Medicare Part D claims in 2024
In 2024, Dr. Armstrong wrote 210 Medicare Part D claims for 120 patients. 98% of them were for generic drugs. CMS names the drug for 157 of them, across 3 drugs with 11 or more claims each, at $1,269 in total drug cost. In 2022, CMS named 144 claims across 3 drugs.
Dr. Armstrong's Part D claims by kind of drug, 2024
- Generic205 claims98%
- Brand-name and other5 claims2%
Dr. Armstrong's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Armstrong's Part D claims, 2024
- Opioids10%22 of 210 claims
- Antibiotics68%143 of 210 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2022 to 2024
- 2022
- 2024
- Claims for drugs CMS names
- 2022: 1442024: 1579%
Drugs named by CMS: 3 in 2024, 3 in 2022.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. David N. Armstrong ranks in the 46th percentile for colonoscopy in Medicare
Dr. Armstrong accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Armstrong as offering telehealth. CMS counts 17 procedures of colonoscopy by Dr. Armstrong, more than 46% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Armstrong ranks in Medicare procedure volume
- Colonoscopy
- 46th percentile17 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. David N. Armstrong received $1,929,082 in industry payments from 2016 to 2025
CMS Open Payments shows 144 general payments to Dr. Armstrong from 28 drug and device companies from 2016 to 2025. Royalties and licenses make up the largest share, 100% of the total. Cook Medical LLC paid the most, $1,603,505. It also lists 2 research payments totaling $11,392 in 2021.
General payments to Dr. Armstrong by program year, 2016 to 2025
General payments to Dr. Armstrong by kind, 2016 to 2025
- Royalties and licenses$1,920,921100%
- Speaker and faculty fees$4,3650%
- Food and beverage$1,6650%
- Education$1,6000%
- Consulting fees$5300%
Companies that paid Dr. Armstrong the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. David N. Armstrong's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. David N. Armstrong
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. David N. Armstrong's NPI number?
Dr. David N. Armstrong's NPI number is 1720046089. It was assigned on May 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. David N. Armstrong?
Dr. David N. Armstrong is a colorectal surgeon in Macon, Georgia. The primary specialty in the NPI Registry is Colon & Rectal Surgery Physician (taxonomy code 208C00000X).
Where does Dr. David N. Armstrong practice?
Dr. Armstrong practices at 777 Hemlock Street, Macon, GA 31201. Dr. Armstrong's primary practice is Atrium Health Navicent The Medical Center in Macon, Georgia, part of Advocate Health. Dmand AI also links Dr. Armstrong to 1 home health agency.
What is Dr. David N. Armstrong's office phone number?
The practice phone on file for Dr. Armstrong is (478) 633-1000.
What is Dr. David N. Armstrong's medical license number?
Dr. Armstrong holds Georgia license 036677.
Which hospitals is Dr. David N. Armstrong affiliated with?
Dr. Armstrong practices at Atrium Health Navicent The Medical Center in Macon, Georgia.
What medical group is Dr. David N. Armstrong part of?
Dr. Armstrong is linked to Atrium Health Navicent Medical Group.
Does Dr. David N. Armstrong accept Medicare?
Yes. CMS data shows Dr. Armstrong billed Medicare for 327 services in 2024, and Dr. Armstrong accepts Medicare assignment.
Does Dr. David N. Armstrong offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Armstrong as offering telehealth services.
How many Medicare patients does Dr. David N. Armstrong see?
CMS counts 218 Medicare patients who saw Dr. Armstrong in 2024, with an average age of 71.
Show 4 more questionsShow fewer questions
What services does Dr. David N. Armstrong bill to Medicare?
In 2024, Dr. Armstrong's most billed Medicare services were office visit, established patient (99213), office visit, new patient (99204) and office visit, established patient (99214).
What drugs does Dr. David N. Armstrong prescribe most?
In 2024 Medicare Part D data, Dr. Armstrong's most prescribed drugs by claims were Metronidazole, Neomycin Sulfate and Diphenoxylate-Atropine.
Has Dr. David N. Armstrong received payments from drug or device companies?
CMS Open Payments shows $1,929,082 in general payments to Dr. Armstrong from 28 companies from 2016 to 2025. The largest total came from Cook Medical LLC.
How long has Dr. David N. Armstrong been practicing?
Dr. Armstrong graduated from medical school in 1981, 45 years ago.
Selling to colon and rectal surgery practices?
See colorectal surgeons in Georgia by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card