DR. LOUIS SWARTZ MD
NPI 1619056421
Specialist in Freeport, NY

Active since November 03, 2006PECOS EnrolledAccepts Medicare Assignment
155 W MERRICK RD, STE 202, FREEPORT, NY 11520(516) 546-2448 Get Directions Write a Review

NPPES record last updated: April 10, 2008. Verified against the NPPES registry weekly; last sync: October 04, 2026.

About Dr. Louis Swartz Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. LOUIS SWARTZ MD (NPI 1619056421) is an individual specialist in Freeport, New York, licensed in New York (186021) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS, is affiliated with North Shore University Hospital, and is a graduate of Other (1988).

NPPES Registry Identity

NPI1619056421
Entity TypeIndividualMale
Primary Taxonomy174400000X
Provider Legal NameDR. LOUIS SWARTZCredential: MD
Location Address155 W MERRICK RD, STE 202Freeport, NY 11520-3743
Mailing Address155 W Merrick Rd, Ste 202Freeport, NY 11520-3743 · (516) 546-2448
Sole ProprietorYes
Medical School CMSOtherGraduated 1988
Enumeration DateNovember 3, 2006
Last NPPES UpdateApril 10, 2008
✔ NPI 1619056421 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License✔ Licensed in NY · 186021
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
155 W MERRICK RD, Freeport, NY 11520

Other Identifiers 1

Medicare PIN47H582

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Louis Swartz Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6305816034
PECOS Enrollment IDI20040729000362
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 23

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
1,036 services388 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
416 services203 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
175 services110 patients
Dialysis services, 4 or more physician visits per month (20 years or older) 90960
Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can't do their job. This service includes 4 or more visits per month with a physician to monitor your health and adjust your treatment as needed.
162 services53 patients
Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 99490
Chronic care management services involve a healthcare professional directing clinical staff in managing your chronic conditions. This includes the first 20 minutes per month of services like medication management, care coordination, and health monitoring to help improve your health and quality of life.
150 services27 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
135 services123 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

North Shore University Hospital

Acute Care Hospitals · Manhasset, NY
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330106
Location300 Community DriveManhasset, NY 11030 · Nassau County
Emergency services Birthing friendly

Long Island Jewish Medical Center

Acute Care Hospitals · New Hyde Park, NY
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330195
Location270 - 05 76th AvenueNew Hyde Park, NY 11040 · Nassau County
Emergency services Birthing friendly

Mount Sinai South Nassau

Acute Care Hospitals · Oceanside, NY
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330198
LocationOne Healthy WayOceanside, NY 11572 · Nassau County
Emergency services Birthing friendly

Referred Medical Equipment & Supplies CMS DME claims 4

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tacrolimus, immediate release, oral, 1 mg J7507
Treatment-Treatment - Miscellaneous · category RX029N
2 suppliers15 claims3,240 services$0.31 avg. paid by Medicare
Mycophenolic acid, oral, 180 mg J7518
Treatment-Treatment - Miscellaneous · category RX029N
2 suppliers18 claims1,440 services$0.86 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511
Treatment-Chemotherapy · category RH012N
2 suppliers12 claims12 services$18.99 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period Q0512
Treatment-Chemotherapy · category RH012N
2 suppliers16 claims21 services$10.83 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 16

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Specialist
155 W MERRICK RD, SUITE 202
FREEPORT, NY 11520
Urology
155 W MERRICK RD
FREEPORT, NY 11520
Internal Medicine (Nephrology)
155 W MERRICK RD, SUITE 202
FREEPORT, NY 11520
Surgery
155 W MERRICK RD
FREEPORT, NY 11520
Nurse Practitioner (Adult Health)
155 W MERRICK RD, SUITE 101
FREEPORT, NY 11520
Pharmacy (Community/Retail Pharmacy)
155 W MERRICK RD
FREEPORT, NY 11520
Internal Medicine
155 W MERRICK RD, STE 101
FREEPORT, NY 11520
Specialist
155 W MERRICK RD
FREEPORT, NY 11520

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Louis Swartz's NPI number?

The NPI number for Louis Swartz is 1619056421. It was assigned to this individual provider in the NPPES registry on November 3, 2006.

Where is Louis Swartz located?

Louis Swartz practices at 155 W Merrick Rd Ste 202, Freeport, NY 11520. The listed phone number is (516) 546-2448.

What is Louis Swartz's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Louis Swartz enrolled in Medicare?

Yes. Louis Swartz is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Louis Swartz affiliated with any hospitals?

According to CMS data, Louis Swartz is affiliated with North Shore University Hospital, Long Island Jewish Medical Center and Mount Sinai South Nassau.

When was this NPI record last updated?

The NPPES record for Louis Swartz was last updated on April 10, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.