David Armstrong, D.O
NPI 1134353964 · Cardiovascular Disease Physician · Glen Ridge, NJ
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Armstrong, D.O is a Cardiovascular Disease Physician provider in Glen Ridge, NJ (NPI 1134353964).
Provider details
- NPI number
- 1134353964
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O
- Sex
- Male
- Sole proprietor
- Yes
- License
- 269416-1 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
2,538 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 812 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 545 | $145 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 365 | $17 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 236 | $87 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 85 | $76 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 34 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 414 | 140 |
| Apixabanbrand: Eliquis | 254 | 56 |
| Amlodipine Besylate | 215 | 63 |
| Metoprolol Succinate | 204 | 66 |
| Losartan Potassium | 161 | 48 |
| Rosuvastatin Calcium | 136 | 44 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$246 across 13 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 121 a West 20th StreetLower LevelNew York, NY 10011Phone: (212) 505-6663Fax: (212) 505-9542
- 121 a West 20th StreetLower LevelNew York, NY 10011Phone: (212) 505-6663Fax: (212) 505-9542
Registry dates
- Enumerated
- 2009-05-07
- Last updated
- 2018-06-28
Frequently asked questions
- What is David Armstrong's NPI number?
- David Armstrong's National Provider Identifier (NPI) is 1134353964, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Armstrong's specialty?
- David Armstrong is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is David Armstrong located?
- David Armstrong's practice location on file with NPPES is 123 Highland Ave Ste 302, Glen Ridge, NJ 07028-1575.
- What is David Armstrong's phone number?
- The practice phone number listed in the NPPES registry for David Armstrong is (973) 748-9555.
- Does David Armstrong accept Medicare?
- David Armstrong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Armstrong's NPI active?
- Yes — David Armstrong's NPI (1134353964) is active in the NPPES registry as of the last update on 2018-06-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.