ST JOHN'S MEDICAL SERVICES PC
NPI 1023042173
Internal Medicine in Far Rockaway, NY

Active since July 11, 2006CLIA 33D0881379 · Waiver
327 BEACH 19TH ST, FAR ROCKAWAY, NY 11691(718) 869-7641(718) 869-8507 Get Directions Write a Review

NPPES record last updated: May 22, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: May 22, 2026, Mar 13, 2026, Apr 9, 2019 (3 updates tracked since 2019).

About St John's Medical Services Pc NPPES

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

ST JOHN'S MEDICAL SERVICES PC (NPI 1023042173) is a healthcare organization registered as an internal medicine in Far Rockaway, New York and active in the NPI registry since July 2006. The organization holds a CLIA Waiver certificate valid through March 26, 2027, maintains 7 additional practice locations, and lists Steven Guido, Chief Financial Officer, as its authorized official.

NPPES Registry Identity

NPI1023042173
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameST JOHN'S MEDICAL SERVICES PC
Location Address327 BEACH 19TH STFar Rockaway, NY 11691-4423
Mailing AddressPo Box 1388Far Rockaway, NY 11690-1388 · (718) 869-7641 · Fax (718) 869-8507
Fax(718) 869-8507
Organization SubpartNo
Authorized OfficialSteven GuidoChief Financial Officer · (718) 869-7684
Enumeration DateJuly 11, 2006
Last NPPES UpdateMay 22, 20263 updates tracked since enumeration
NPPES CertifiedMay 22, 2026
✔ NPI 1023042173 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
327 BEACH 19TH ST, Far Rockaway, NY 11691

Secondary Practice Locations 7

Location 1521 Beach 20th StFar Rockaway, NY 11691-3645 · Phone (718) 869-8822 · Fax (718) 869-8829
Location 21920 Brookhaven AveFar Rockaway, NY 11691-3626 · Phone (718) 347-3627 · Fax (347) 246-7482
Location 310538 Rockaway Beach BlvdRockaway Park, NY 11694-2645 · Phone (718) 318-3434 · Fax (718) 318-3723
Location 4275 Rockaway TpkeLawrence, NY 11559-1272 · Phone (516) 400-9302 · Fax (516) 400-9309
Location 5495 Beach 20th StFar Rockaway, NY 11691-3621 · Phone (347) 619-5950 · Fax (347) 619-9053
Location 61909 Plainview AveFar Rockaway, NY 11691-4489 · Phone (718) 869-7690 · Fax (718) 869-7267
Location 71908 Brookhaven AveFar Rockaway, NY 11691-3626 · Phone (718) 869-8822 · Fax (718) 869-8829

Other Identifiers 1

Medicaid02770565NY

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

St John's Medical Services Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

149

Medicare enrollment records show 149 clinicians reassign Medicare billing to St John's Medical Services PC, which bills Medicare for the services they deliver. Of these, 31 practice at this address and 84 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 35

Pediatric Medicine14
Clinical Social Worker13
Nurse Practitioner13
Obstetrics/Gynecology11
Psychiatry11
Neurology9
Internal Medicine7
Rheumatology6
27 other specialties65

Nearest to this location (20)

See all 149
Emergency Medicine
NPI 1922539964
327 BEACH 19TH ST
Far Rockaway, NY 11691
(718) 869-7000
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1770903569
327 BEACH 19TH ST
Far Rockaway, NY 11691
(718) 869-7879
✔ PECOS✔ Accepts MedicareSame address
Cardiovascular Disease (Cardiology)
NPI 1568620516
327 BEACH 19TH ST
Far Rockaway, NY 11691
(718) 869-7000
✔ PECOS✔ Accepts MedicareSame address
Clinical Social Worker
NPI 1497966592
327 BEACH 19TH ST
Far Rockaway, NY 11691
(718) 869-7000
✔ PECOSSame address
Family Practice
NPI 1447654322
327 BEACH 19TH ST
Far Rockaway, NY 11691
(718) 869-7000
✔ PECOS✔ Accepts MedicareSame address
Pediatric Medicine
NPI 1528150448
327 BEACH 19TH STREET
Far Rockaway, NY 11691
(718) 869-7821
✔ PECOSSame address
Physical Therapist in Private Practice
NPI 1730761826
327 BEACH 19TH ST
Far Rockaway, NY 11691
(718) 869-7774
✔ Accepts MedicareSame address
Family Practice
NPI 1851687503
327 BEACH 19TH ST
Far Rockaway, NY 11691
(718) 869-7000
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1629553169
327 BEACH 19TH STREET OB/GYN
Far Rockaway, NY 11691
(718) 869-7000
✔ PECOS✔ Accepts MedicareSame address
Clinical Social Worker
NPI 1609424944
327 BEACH 19TH ST
Far Rockaway, NY 11691
(631) 869-8822
✔ PECOSSame address
Physical Medicine and Rehabilitation
NPI 1881673291
327 BEACH 19TH ST ST JOHNS EPISCOPAL HOSPITAL
Far Rockaway, NY 11691
(718) 869-7450
✔ PECOS✔ Accepts MedicareSame address
General Surgery
NPI 1295116432
327 BEACH 19TH ST
Far Rockaway, NY 11691
(718) 869-7000
✔ PECOS✔ Accepts MedicareSame address
Psychiatry
NPI 1538513015
327 BEACH 19TH ST
Far Rockaway, NY 11691
(718) 869-7248
✔ PECOSSame address
Neurology
NPI 1902066970
327 BEACH 19TH ST
Far Rockaway, NY 11691
(718) 869-7672
✔ PECOS✔ Accepts MedicareSame address
Endocrinology
NPI 1548368608
327 BEACH 19TH ST
Far Rockaway, NY 11691
(718) 869-7674
✔ PECOS✔ Accepts MedicareSame address
Obstetrics/Gynecology
NPI 1376920165
327 BEACH 19TH ST
Far Rockaway, NY 11691
(718) 614-5922
✔ PECOS✔ Accepts MedicareSame address
Vascular Surgery
NPI 1033139803
327 BEACH 19TH ST
Far Rockaway, NY 11691
(718) 869-7000
✔ PECOS✔ Accepts MedicareSame address
Pulmonary Disease
NPI 1811008691
327 BEACH 19TH ST
Far Rockaway, NY 11691
(718) 869-8801
✔ PECOS✔ Accepts MedicareSame address
Occupational Therapist in Private Practice
NPI 1407430374
327 BEACH 19TH ST
Far Rockaway, NY 11691
(718) 869-7774
✔ Accepts MedicareSame address
Podiatry
NPI 1447784806
327 BEACH 19TH ST
Far Rockaway, NY 11691
(212) 410-8031
✔ PECOS✔ Accepts MedicareSame address
See all 149 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 33D0881379

St John's Medical Services PC · Belle Harbor, NY
Active · expires Mar 26, 2027
CLIA Number33D0881379
Laboratory TypePhysician Office
Certificate Effective DateApril 21, 2016
Certificate Expiration DateMarch 26, 2027
Laboratory DirectorDr. Allen W. Cherson
Laboratory Phone(718) 318-3434
Laboratory LocationSt John's Medical Services PC10538 Rockaway Beach Blvd Second Floor, Belle Harbor, NY 11694
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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 St John's Medical Services PC's NPI number?

The NPI number for St John's Medical Services PC is 1023042173. It was assigned to this organization in the NPPES registry on July 11, 2006.

Where is St John's Medical Services PC located?

St John's Medical Services PC is located at 327 Beach 19th St, Far Rockaway, NY 11691. The listed phone number is (718) 869-7641.

What is St John's Medical Services PC's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is St John's Medical Services PC enrolled in Medicare?

Yes. St John's Medical Services PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through St John's Medical Services PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 149 clinicians in 35 Medicare specialties reassign their Medicare billing to St John's Medical Services PC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Pediatric Medicine (14), Clinical Social Worker (13) and Nurse Practitioner (13). Of these, 31 practice at this address and 84 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does St John's Medical Services PC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 33D0881379) is associated with this NPI, valid through March 26, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for St John's Medical Services PC was last updated on May 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.