DR. ROBERT N. HOLTZMAN (M.D.) – Specialist, NPI 1164571691

DR. ROBERT N. HOLTZMAN (M.D.) is a healthcare provider. based in Hicksville, New York. specializing in Specialist. They hold the professional credentials M.D.. They hold a License No. 106542 (NY). The NPI Number for DR. ROBERT N. HOLTZMAN (M.D.) is 1164571691

Main info

Male
Sole Proprietor
57 Years Of Experience
Accepts Medicare Assignment
Name
DR. ROBERT N. HOLTZMAN (M.D.)
NPI
1164571691
Phone
(516) 442-3461
Address
P.O. BOX 9019
Enumeration Date
10 January 2007
Last Update Date
2 May 2011

Doctor Profile

Medical School Name
STATE UNIVERSITY OF NEW YORK AT STONY BROOK, SCHOOL OF MEDICINE
Secondary Phone
516442346110
Graduation Year
1969 (57 years ago)
PAC ID
9335242627
Group Practice PAC ID
0345131785
Professional Enrollment ID
I20070906000484
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness75
Years active:19State licenses:1Digital endpointsOther names

Loading map...

Provider Addresses for DR. ROBERT N. HOLTZMAN (M.D.)

  • P.O. BOX 9019

    HICKSVILLE, NY 118029019

    Phone: (516) 442-3461

    Fax: (516) 442-3462

    Type: Mailing

  • 100, Merrick Road, Village of Rockville Centre, Town of Hempstead, Nassau County, New York, 11570, United States

    SUITE 128W

    ROCKVILLE CENTRE, NY 115704821

    Phone: (516) 255-9031

    Fax: (516) 255-6010

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

Loading prescription activity...

Open Payments (CMS)

CMS reports 1 Open Payments records for all available years, with a total value of $21.

Total Amount is formed as General ($21) + Research ($0) + Ownership ($0) = $21.

Last reported payment date: 2023-05-25 • Largest payer in this snapshot: IDORSIA PHARMACEUTICALS US INC ($21).

Total Amount

$21

General + Research + Ownership

Payments

1

Total payment records

General Amount

$21

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2023-05-25

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.

No Medicare enrollment or revalidation data available for this provider in our database.

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.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 11802)

Loading plans...

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: 0345131785View full group profile
NameSpecialtyState
N E U R O S U R G E R YNY
N E U R O S U R G E R YNY
N E U R O S U R G E R YNY
-NY
N E U R O S U R G E R YNY
-NY
N E U R O S U R G E R YOH
N E U R O S U R G E R YVA
-NY
-NY

Reviews

All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.

No reviews yet. Be the first to share your experience — your opinion helps families compare providers.

Frequently asked questions

What is the standard ID for DR. ROBERT N. HOLTZMAN (M.D.) in the U.S.?
In the U.S., DR. ROBERT N. HOLTZMAN (M.D.) is identified by NPI 1164571691.
Is DR. ROBERT N. HOLTZMAN (M.D.) currently accepting referrals based on NPI status?
Registry metadata lists DR. ROBERT N. HOLTZMAN (M.D.) as active.
What does the directory say DR. ROBERT N. HOLTZMAN (M.D.) does?
Insurance directories may phrase it differently, but here DR. ROBERT N. HOLTZMAN (M.D.) maps to Other Service Providers. Clinical services aligned with this taxonomy classification.
Is DR. ROBERT N. HOLTZMAN (M.D.) tied to Hicksville, New York?
If you are local to Hicksville, New York, DR. ROBERT N. HOLTZMAN (M.D.) may be relevant to your search.
What is the difference between NPI and a medical license?
An NPI is a federal identifier; a medical license is issued by a state and governs where someone may practice.

Similar Providers

DR. EDWARD E MULLEN (MD)

Radiation Oncology Physician
PO BOX 5670
NPI: 1104824606
1441 SOUTH AVE
NPI: 1225085129
560, South Broadway, Hicksville, Oyster Bay, Nassau County, New York, 11801, United States
NPI: 1205883592
560, South Broadway, Hicksville, Oyster Bay, Nassau County, New York, 11801, United States
NPI: 1952348351
560, South Broadway, Hicksville, Oyster Bay, Nassau County, New York, 11801, United States
NPI: 1932146339
560, South Broadway, Hicksville, Oyster Bay, Nassau County, New York, 11801, United States
NPI: 1710926134
560, South Broadway, Hicksville, Oyster Bay, Nassau County, New York, 11801, United States
NPI: 1104866037
28, East Old Country Road, Hicksville, Oyster Bay, Nassau County, New York, 11801, United States
NPI: 1588604292
560, South Broadway, Hicksville, Oyster Bay, Nassau County, New York, 11801, United States
NPI: 1730120981