Jonathan Saul Lown, MD
Internal Medicine · Commack, NY
At a glance
2171 Jericho Tpke, Commack, NY 11725-2937
Published activity: Removal of skin lesions · Removal of tissue · Removal or shaving of skin growth. View counts and coverage
NPPES record updated Feb 3, 2020. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
2171 Jericho Tpke Suite 100Commack, NY 11725-2937
Education & affiliations
- Medical / professional school
- State University Of New York Downstate Medical Center
- Graduation year
- 1995
- CMS specialties
- Internal Medicine
CMS reports telehealth services for this clinician. Confirm current services and availability with the practice.
Reported hospital affiliations
- North Shore University Hospital Manhasset, NY
- St Catherine Of Siena Hospital Smithtown, NY
- St Charles Hospital Port Jefferson, NY
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
| Procedure category | Published Medicare activity |
|---|---|
| Removal of skin lesions | 1-10 |
| Removal of tissue | 70 |
| Removal or shaving of skin growth | 1-10 |
| Skin biopsy | 1-10 |
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Reported clinician measures
Measures below describe reported clinician performance in the stated period. They do not form an overall HCPList rating, and reporting differs between clinicians.
Published clinical measures
- Advance Care Plan
- 100%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_047_overall. Collection type: REG. Measure denominator: 221.
- Documentation of Current Medications in the Medical Record
- 91%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_130_overall. Collection type: EHR. Measure denominator: 4917.
- Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
- 100%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_226_performance. Collection type: EHR. Measure denominator: 29.
See all 6 reported measures
- Controlling High Blood Pressure
- 76%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_236_overall. Collection type: CLM. Measure denominator: 226.
- Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented
- 99%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_317_overall. Collection type: CLM. Measure denominator: 909.
- Falls: Screening for Future Fall Risk
- 91%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_318_overall. Collection type: EHR. Measure denominator: 355.
Source: PY 2024 Clinician Public Reporting: MIPS Measures and Attestations · Published Sep 10, 2026.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Services other than consulting | $21,540.00 |
| Food and beverage | $6,873.30 |
| Travel and lodging | $5,788.73 |
| Consulting fee | $1,720.00 |
| Education | $46.99 |
Reporting companies
| Company | Amount |
|---|---|
| JAZZ PHARMACEUTICALS INC. | $20,259.61 |
| HARMONY BIOSCIENCES LLC | $10,882.86 |
| AMGEN INC. | $953.09 |
| SUMITOMO PHARMA AMERICA, INC. | $440.95 |
| AXSOME THERAPEUTICS, INC. | $375.33 |
| ASTRAZENECA PHARMACEUTICALS LP | $254.45 |
| ASTELLAS PHARMA US INC | $209.83 |
| ESPERION THERAPEUTICS, INC. | $208.06 |
| Other reporting companies | $2,384.84 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Internal Medicine
- Taxonomy code
- 207R00000X
- Enumeration date
- Sep 15, 2006
- Record updated
- Feb 3, 2020
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- MD
Reported taxonomies and licenses
207RS0012X
License reported: 204673 NY
332B00000X
License reported: 204673 NY
207R00000X · Primary
License reported: 204673-1 NY
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
2171 Jericho TpkeSuite 100
Commack, NY 11725-2937
- Phone
- (631) 343-7242
- Fax
- (631) 343-7245
Mailing address
2171 JERICHO TPKESUITE 100
COMMACK, NY 117252937
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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