Dr. Earl Magnus Armstrong, MD
- Medicare services, 2024
- 325
- Medicare patients, 2024
- 114
- Part D claims, 2024
- 818
- Hospital affiliations
- 1
- Industry payments
- $5,332
- Practice address
- 1150 Varnum NE St, Washington, DC 20017
- Practice phone
- Call (202) 854-4014
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
PHS Multispecialty Services
Washington, District of Columbia
Find Dr. Armstrong's professional email, personal email and mobile number
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Dr. Earl Magnus Armstrong is a pulmonologist in Washington, District of Columbia
Dr. Armstrong practices at PHS Multispecialty Services in Washington, District of Columbia.
Dr. Armstrong's NPI, 1205944428, was assigned on August 28, 2006. Dr. Armstrong graduated from University of Chicago, Pritzker School of Medicine in 1973. Dr. Armstrong holds District of Columbia license MD11217.
- NPI
- 1205944428NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3476680075
- NPI enumeration date
- August 28, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (202) 854-4014
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 79
- Medical school graduation
- 1973
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Earl Magnus Armstrong practices at PHS Multispecialty Services in Washington, District of Columbia
Dr. Armstrong's primary practice is PHS Multispecialty Services, at 1150 Varnum NE St, Washington, DC 20017 in District Of Columbia County. The practice phone is (202) 854-4014.
- PHS Multispecialty Services1150 Varnum NE St, Washington, DC 20017 · District Of Columbia CountyPhone(202) 854-4014
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Earl Magnus Armstrong is affiliated with 3 sites of care and 1 medical group
Dr. Armstrong's primary practice is PHS Multispecialty Services in Washington, District of Columbia. Dr. Armstrong is also affiliated with MedStar Washington Hospital Center. The medical group on file is Pulmonary Critical Care Associates. Dmand AI also links Dr. Armstrong to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Earl Magnus 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 |
|---|---|
| PHS Multispecialty Services | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Earl Magnus Armstrong is one of 63 pulmonologists in District of Columbia
Pulmonary disease is Dr. Armstrong's primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dmand AI has Dr. Armstrong's licenses on file in 2 states: District of Columbia and Maryland.
Specialties and state licenses
- Pulmonary disease, District of ColumbiaPrimary
- Maryland license
Pulmonologists near Dr. Armstrong
Counts of pulmonologists 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. Earl Magnus Armstrong billed Medicare for 325 services in 2024
CMS data shows 325 Medicare services from Dr. Armstrong across 6 procedure codes in 2024, for 114 Medicare patients. Medicare paid $24,618 for them.
Dr. Armstrong's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2302024: 20511%
- Tests and treatments
- 2023: 312024: 120287%
Where Dr. Armstrong's Medicare services took place, 2024
- In an office30092%
- In a facility258%
Dr. Armstrong compared with the District of Columbia median for pulmonologists, 2024
- Dr. Armstrong
- District of Columbia median
- Medicare services
- 325vs 41722% below
- Medicare patients
- 114vs 17736% below
- Part D claims
- 634vs 1623.9 times
Medians across 60 pulmonologists in District of Columbia 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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Armstrong and other pulmonologists in District of Columbia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Earl Magnus Armstrong treated 114 Medicare patients in 2024, average age 76
CMS counts 114 Medicare patients who saw Dr. Armstrong in 2024. The largest group is 75 to 84, with 51 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 27% are also on Medicaid. Their average risk score is 2.23, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Armstrong's median patient age at 73, with 58% women.
Dr. Armstrong's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Armstrong's Medicare patients by sex, 2024
- Women8474%
- Men3026%
Chronic conditions among Dr. Armstrong's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- COPD71%
- Arthritis58%
- Diabetes54%
- Chronic kidney disease41%
- Asthma37%
- Ischemic heart disease35%
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 73
Patient panel by sex, all payers
- Women58%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Earl Magnus Armstrong wrote 818 Medicare Part D claims in 2024
In 2024, Dr. Armstrong wrote 818 Medicare Part D claims for 88 patients. 61% of them were for generic drugs. CMS names the drug for 634 of them, across 18 drugs with 11 or more claims each, at $80,964 in total drug cost. In 2023, CMS named 426 claims across 9 drugs.
Dr. Armstrong's Part D claims by kind of drug, 2024
- Generic499 claims61%
- Brand-name319 claims39%
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
- Antibiotics1%12 of 818 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, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 4262024: 63449%
Drugs named by CMS: 18 in 2024, 9 in 2023.
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
How Dr. Earl Magnus Armstrong takes part in Medicare
Dr. Armstrong accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Earl Magnus Armstrong received $5,332 in industry payments from 2016 to 2025
CMS Open Payments shows 258 general payments to Dr. Armstrong from 23 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 98% of the total. GlaxoSmithKline, LLC. paid the most, $1,629.
General payments to Dr. Armstrong by program year, 2016 to 2025
General payments to Dr. Armstrong by kind, 2016 to 2025
- Food and beverage$5,23198%
- Education$1012%
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
Dr. Earl Magnus Armstrong graduated from University of Chicago, Pritzker School of Medicine
Dr. Armstrong graduated from University of Chicago, Pritzker School of Medicine in 1973.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Earl Magnus 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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. Earl Magnus 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. Earl Magnus Armstrong's NPI number?
Dr. Earl Magnus Armstrong's NPI number is 1205944428. It was assigned on August 28, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Earl Magnus Armstrong?
Dr. Earl Magnus Armstrong is a pulmonologist in Washington, District of Columbia. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).
Where does Dr. Earl Magnus Armstrong practice?
Dr. Armstrong practices at 1150 Varnum NE St, Washington, DC 20017. Dr. Armstrong's primary practice is PHS Multispecialty Services in Washington, District of Columbia. Dmand AI also links Dr. Armstrong to 1 group practice or clinic.
What is Dr. Earl Magnus Armstrong's office phone number?
The practice phone on file for Dr. Armstrong is (202) 854-4014.
What is Dr. Earl Magnus Armstrong's medical license number?
Dr. Armstrong holds District of Columbia license MD11217, one of the licenses on file in 2 states.
Which states has Dr. Earl Magnus Armstrong been licensed in?
Dmand AI has state licenses on file for Dr. Armstrong in District of Columbia and Maryland.
Which hospitals is Dr. Earl Magnus Armstrong affiliated with?
Dr. Armstrong is affiliated with MedStar Washington Hospital Center.
What medical group is Dr. Earl Magnus Armstrong part of?
Dr. Armstrong is linked to Pulmonary Critical Care Associates.
Does Dr. Earl Magnus Armstrong accept Medicare?
Yes. CMS data shows Dr. Armstrong billed Medicare for 325 services in 2024, and Dr. Armstrong accepts Medicare assignment.
How many Medicare patients does Dr. Earl Magnus Armstrong see?
CMS counts 114 Medicare patients who saw Dr. Armstrong in 2024, with an average age of 76.
Show 5 more questionsShow fewer questions
What services does Dr. Earl Magnus Armstrong bill to Medicare?
In 2024, Dr. Armstrong's most billed Medicare services were office visit, established patient (99214), lung function service (94618) and lung function service (94726).
Where did Dr. Earl Magnus Armstrong go to medical school?
Dr. Armstrong graduated from University of Chicago, Pritzker School of Medicine in 1973.
What drugs does Dr. Earl Magnus Armstrong prescribe most?
In 2024 Medicare Part D data, Dr. Armstrong's most prescribed drugs by claims were Albuterol Sulfate Hfa, Montelukast Sodium and Fluticasone Propionate.
Has Dr. Earl Magnus Armstrong received payments from drug or device companies?
CMS Open Payments shows $5,332 in general payments to Dr. Armstrong from 23 companies from 2016 to 2025. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. Earl Magnus Armstrong been practicing?
Dr. Armstrong graduated from medical school in 1973, 53 years ago.
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