Ian Ausubel, M.D.
NPI 1588673552 · Internal Medicine Physician · Valley Stream, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ian Ausubel, M.D. is a Internal Medicine Physician provider in Valley Stream, NY (NPI 1588673552).
Provider details
- NPI number
- 1588673552
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 204941-1 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
3,444 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) |
|---|---|---|
| Telephone Medical Discussion With Physician, 5-10 Minutes99441 | 712 | $61 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 311 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 255 | $99 |
| Blood Count, Hemoglobin85018 | 254 | $2 |
| Blood Glucose (sugar) Level82947 | 236 | $4 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 219 | $13 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 89 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 578 | 139 |
| Amlodipine Besylate | 335 | 90 |
| Losartan Potassium | 266 | 69 |
| Metformin Hcl | 239 | 67 |
| Levothyroxine Sodium | 130 | 33 |
| Hydrochlorothiazide | 127 | 39 |
| Metoprolol Succinate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$282 across 7 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
Registry dates
- Enumerated
- 2006-08-07
- Last updated
- 2007-07-08
Frequently asked questions
- What is Ian Ausubel's NPI number?
- Ian Ausubel's National Provider Identifier (NPI) is 1588673552, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ian Ausubel's specialty?
- Ian Ausubel is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ian Ausubel located?
- Ian Ausubel's practice location on file with NPPES is 509 Merrick Road, Valley Stream, NY 11580.
- What is Ian Ausubel's phone number?
- The practice phone number listed in the NPPES registry for Ian Ausubel is (516) 561-8188.
- Does Ian Ausubel accept Medicare?
- Ian Ausubel is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ian Ausubel's NPI active?
- Yes — Ian Ausubel's NPI (1588673552) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.