DR. LAURENCE F MACK MD
NPI 1194747444
Specialist in N Massapequa, NY

Q: What is Laurence Mack's NPI number?

The NPI number for Laurence Mack is 1194747444. It was assigned to this individual provider in the NPPES registry on July 24, 2006.

Q: What is Laurence Mack's specialty?

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

Q: Is Laurence Mack enrolled in Medicare?

No. Laurence Mack has opted out of Medicare through January 11, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

Q: When was this NPI record last updated?

The NPPES record for Laurence Mack was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.

Active since July 24, 2006Opted out of Medicare · through Jan 11, 2028

627 BROADWAY, N MASSAPEQUA, NY 11758(516) 799-3462(516) 799-5930 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

On this page

About Dr. Laurence F Mack Md NPPES

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

DR. LAURENCE F MACK MD (NPI 1194747444) is an individual specialist in N Massapequa, New York, licensed in New York (168820) and active in the NPI registry since July 2006. He has opted out of Medicare through January 11, 2028 and remains eligible to order and refer.

NPPES Registry Identity

NPI1194747444

Entity TypeIndividualMale

Primary Taxonomy174400000X

Provider Legal NameDR. LAURENCE F MACKCredential: MD

Location Address627 BROADWAYN Massapequa, NY 11758-5031

Mailing Address627 Broadway, Po Box 1550N Massapequa, NY 11758-5031 · (516) 799-3462 · Fax (516) 799-5930

Phone(516) 799-3462

Fax(516) 799-5930

Sole ProprietorYes

Enumeration DateJuly 24, 2006

Last NPPES UpdateJuly 8, 2007

✔ NPI 1194747444 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers

Taxonomy Code174400000X

License✔ Licensed in NY · 168820

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.

627 BROADWAY, N Massapequa, NY 11758

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. Laurence F Mack Md has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from January 11, 2018 through January 11, 2028.

Opt-Out Effective DateJanuary 11, 2018

Opt-Out In Effect ThroughJanuary 11, 2028Opt-out affidavits renew automatically every two years unless cancelled

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Other Providers at the Same Location NPPES 15

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

THOMAS JOSEPH MCCOY LCSW

Social Worker (Clinical)

627 BROADWAY, SUITE 205
MASSAPEQUA, NY 11758

Nassau County (516) 731-3248

MRS. AMY L ROBERTS RPA-C

Physician Assistant

627 BROADWAY, SUITE 1
MASSAPEQUA, NY 11758

Nassau County (516) 308-4040

EMILY LYNN WILLMS

Social Worker

627 BROADWAY
MASSAPEQUA, NY 11758

Nassau County (631) 514-5433

LENA NAJJARIAN PA-C

Physician Assistant (Medical)

627 BROADWAY
MASSAPEQUA, NY 11758

Nassau County (347) 857-9651

DEANNA L LEVY AU.D, CCC-A

Audiologist

627 BROADWAY
MASSAPEQUA, NY 11758

Nassau County (516) 541-4171

MS. BARBARA ANN KILGUS LCSW-R

Social Worker (Clinical)

627 BROADWAY, SUITE 200
MASSAPEQUA, NY 11758

Nassau County (516) 398-5035

JILL SISSELMAN D.O.

Family Medicine

627 BROADWAY, SUITE 1
MASSAPEQUA, NY 11758

Nassau County (516) 308-4040

MRS. BONNIE G WEINTRAUB CSW

Social Worker (Clinical)

627 BROADWAY, STE.200
MASSAPEQUA, NY 11758

Nassau County (516) 221-4354

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 Laurence Mack's NPI number?

The NPI number for Laurence Mack is 1194747444. It was assigned to this individual provider in the NPPES registry on July 24, 2006.

Where is Laurence Mack located?

Laurence Mack practices at 627 Broadway, N Massapequa, NY 11758. The listed phone number is (516) 799-3462.

What is Laurence Mack's specialty?

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

Is Laurence Mack enrolled in Medicare?

No. Laurence Mack has opted out of Medicare through January 11, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Laurence Mack was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.