Jonathan Lown, MD
NPI 1265538458 · Internal Medicine Physician · Commack, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jonathan Lown, MD is a Internal Medicine Physician provider in Commack, NY (NPI 1265538458).
Provider details
- NPI number
- 1265538458
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 204673 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Suppliers
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
4,638 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 830 | $139 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 728 | $197 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 710 | $9 |
| 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 | 537 | $18 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 280 | $16 |
| Urinalysis, Manual Test |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 164 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tirzepatidebrand: Mounjaro | 516 | 82 |
| Ezetimibe | 443 | 124 |
| Rosuvastatin Calcium | 431 | 115 |
| Evolocumabbrand: Repatha Sureclick | 278 | 60 |
| Atorvastatin Calcium | 240 | 70 |
| Levothyroxine Sodium | 188 | 48 |
| Metoprolol Succinate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$52,756 across 431 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
- 2006-09-15
- Last updated
- 2020-02-03
- Certified
- 2020-02-03
Frequently asked questions
- What is Jonathan Lown's NPI number?
- Jonathan Lown's National Provider Identifier (NPI) is 1265538458, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonathan Lown's specialty?
- Jonathan Lown is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jonathan Lown located?
- Jonathan Lown's practice location on file with NPPES is 2171 Jericho Tpke, Commack, NY 11725-2937.
- What is Jonathan Lown's phone number?
- The practice phone number listed in the NPPES registry for Jonathan Lown is (631) 343-7242.
- Does Jonathan Lown accept Medicare?
- Jonathan Lown is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jonathan Lown's NPI active?
- Yes — Jonathan Lown's NPI (1265538458) is active in the NPPES registry as of the last update on 2020-02-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.