SIDNEY NEIMARK (MD) – Specialist, NPI 1740278522

SIDNEY NEIMARK (MD) is a healthcare provider. based in West palm beach, Florida. specializing in INTERNAL MEDICINE, GASTROENTEROLOGY. They hold the professional credentials MD. They hold a License No. ME0040949 (FL). The NPI Number for SIDNEY NEIMARK (MD) is 1740278522

Main info

Male
Sole Proprietor
49 Years Of Experience
Accepts Medicare Assignment
Name
SIDNEY NEIMARK (MD)
NPI
1740278522
Phone
(561) 820-1441
Address
1117 N OLIVE AVE
Enumeration Date
6 October 2005
Last Update Date
16 July 2009

Doctor Profile

Medical School Name
HAHNEMAN MEDICAL COLLEGE OF THE PACIFIC
Secondary Phone
5618029050
Graduation Year
1977 (49 years ago)
PAC ID
1153405279
Group Practice PAC ID
2365440567
Professional Enrollment ID
I20080228000282
Address ID
FL334013520WE1117XAVEX403
Telehealth
Yes
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

12,368 INTERNAL MEDICINE in FL

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Provider Addresses for SIDNEY NEIMARK (MD)

  • Olive Avenue, West Palm Beach, Palm Beach County, Florida, 33405, United States

    SUITE 203

    WEST PALM BEACH, FL 334013520

    Phone: (561) 820-1441

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 101 Open Payments records for all available years, with a total value of $1,963.

Total Amount is formed as General ($1,963) + Research ($0) + Ownership ($0) = $1,963.

Last reported payment date: 2024-12-17 • Largest payer in this snapshot: ABBVIE INC. ($412).

Total Amount

$1,963

General + Research + Ownership

Payments

101

Total payment records

General Amount

$1,963

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-12-17

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2008-02-28

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20080228000282IGastroenterologyFLTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99213Established patient office or other outpatient visit, 20-29 minutes191154$0
45380Biopsy of large bowel using a flexible endoscope105105$0
99203New patient office or other outpatient visit, 30-44 minutes9494$0
43239Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope6565$0
45385Removal of polyps or growths of large bowel using an endoscope with mechanical snare6463$0
View full utilization report →

Insurance plans in this area (ZIP 33401)

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Provider's Procedures

SIDNEY NEIMARK (MD) performs procedures in INTERNAL MEDICINE. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
GASTROENTEROLOGYFL45385Removal of polyps or growths of large bowel using an endoscope6161
GASTROENTEROLOGYFL88312Special stained specimen slides to identify organisms including interpretation and report205110

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 2365440567View full group profile
NameSpecialtyState
Gastroenterology, Internal MedicineFL
Gastroenterology, Internal MedicineFL
Gastroenterology, Internal MedicineFL
G A S T R O E N T E R O L O G YFL
Nurse PractitionerFL
-FL
G A S T R O E N T E R O L O G YFL
Nurse PractitionerFL
G A S T R O E N T E R O L O G YFL
Nurse PractitionerFL

Reviews

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Frequently asked questions

Is SIDNEY NEIMARK (MD) listed with a National Provider Identifier?
Yes — SIDNEY NEIMARK (MD) has NPI 1740278522 on file in the registry.
Is SIDNEY NEIMARK (MD) shown as active in public data?
Registry records indicate SIDNEY NEIMARK (MD) maintains an active NPI.
How would a patient describe SIDNEY NEIMARK (MD)'s focus?
For SIDNEY NEIMARK (MD), the primary taxonomy reads as Other Service Providers. Clinical services aligned with this taxonomy classification.
What locale is associated with SIDNEY NEIMARK (MD)?
Directory geography for SIDNEY NEIMARK (MD) centers on West Palm Beach, Florida.
Does SIDNEY NEIMARK (MD) accept insurance?
Insurance participation is not part of the core NPI extract — call the plan or office to confirm.

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