Henry Armstrong, M.D.
NPI 1053331942 · Internal Medicine Physician · Dallas, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Henry Armstrong, M.D. is a Internal Medicine Physician provider in Dallas, TX (NPI 1053331942).
Provider details
- NPI number
- 1053331942
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G4795 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
91 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 49 | $90 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 22 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 20 | $126 |
Typical Medicare-allowed amounts for these services range $9–$126 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 97 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 503 | 113 |
| Amlodipine Besylate | 329 | 140 |
| Atorvastatin Calcium | 237 | 116 |
| Rosuvastatin Calcium | 144 | 64 |
| Losartan Potassium | 142 | 70 |
| Gabapentin | 133 | 50 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-20
- Last updated
- 2021-06-10
- Certified
- 2021-06-10
Frequently asked questions
- What is Henry Armstrong's NPI number?
- Henry Armstrong's National Provider Identifier (NPI) is 1053331942, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Henry Armstrong's specialty?
- Henry Armstrong is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Henry Armstrong located?
- Henry Armstrong's practice location on file with NPPES is 2909 S Hampton Rd, Dallas, TX 75224-3000.
- What is Henry Armstrong's phone number?
- The practice phone number listed in the NPPES registry for Henry Armstrong is (469) 485-2754.
- Does Henry Armstrong accept Medicare?
- Henry Armstrong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Henry Armstrong's NPI active?
- Yes — Henry Armstrong's NPI (1053331942) is active in the NPPES registry as of the last update on 2021-06-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.