Robert Alexander, DO
NPI 1912956301 · Internal Medicine Physician · Massapequa, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Alexander, DO is a Internal Medicine Physician provider in Massapequa, NY (NPI 1912956301).
Provider details
- NPI number
- 1912956301
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 207736 (NY)
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
20 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
3,319 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 561 | $9 |
| Annual Alcohol Misuse Screening, 5 to 15 MinutesG0442 | 415 | $22 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 384 | $22 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 377 | $151 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 364 | $18 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 80 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 372 | 105 |
| Rosuvastatin Calcium | 237 | 66 |
| Amlodipine Besylate | 194 | 58 |
| Levothyroxine Sodium | 185 | 48 |
| Simvastatin | 132 | 38 |
| Metoprolol Succinate | 109 | 33 |
| Alprazolam |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-10
- Last updated
- 2015-06-09
Frequently asked questions
- What is Robert Alexander's NPI number?
- Robert Alexander's National Provider Identifier (NPI) is 1912956301, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Alexander's specialty?
- Robert Alexander is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Alexander located?
- Robert Alexander's practice location on file with NPPES is 896 N Broadway, Massapequa, NY 11758-2328.
- What is Robert Alexander's phone number?
- The practice phone number listed in the NPPES registry for Robert Alexander is (516) 541-2233.
- Does Robert Alexander accept Medicare?
- Robert Alexander is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Alexander's NPI active?
- Yes — Robert Alexander's NPI (1912956301) is active in the NPPES registry as of the last update on 2015-06-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.