MARK R. GERSHENBAUM DO – NPI #1982665782
Hospitalist

Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

MARK GERSHENBAUM is a hospitalist located in FREEHOLD TOWNSHIP, NJ. NPPES has assigned the NPI number 1982665782 to MARK GERSHENBAUM on March 31, 2006. It is a Type-1 NPI, indicating this NPI number is associated with an individual. With multiple taxonomy codes selected, the primary taxonomy selected by this provider is 208M00000X from the Health Care Provider Taxonomy code set, which is classified as Hospitalist.

The NPI profile was last updated on Sep 11, 2025. Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for MARK GERSHENBAUM below.

NPI Profile for
MARK R. GERSHENBAUM

NPI Number
1982665782
Enumeration Date

(more than 20 years ago)
Entity Type
Type-1  Individual (Male)
Legal Name
MARK R. GERSHENBAUM
Credentials
DO
Primary location
901 WEST MAIN ST
FREEHOLD TOWNSHIP, NJ 07728
Phone: (732) 294-2666 Fax: (732) 431-8267
Mailing address
PO BOX 13700-1901
PHILADELPHIA, PA 19191-1901
Phone: (800) 777-2455 Fax: (610) 617-6280
Updated
Identifiers

Identifiers for MARK GERSHENBAUM

Identifiers are used to associate other provider identifiers such as Medicaid or other insurers (ie:, Blue Cross, Blue Shield, Aetna, Kaiser-Permanente, etc.), with their NPI number. These identifiers can be used in matching an NPI number to an insurer's records. However, not all providers have such numbers and not all providers choose to include them in their NPI information.

DescriptionIssuerStateIdentifier
otherRAILROAD MEDICAREP00153530
medicaidNJ5453101
Taxonomy Code(s)

A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.

Taxonomy Classification / Specialization State License
208M00000X
- Hospitalist (Primary)
NJ 25MB04672200
207Q00000X
- Family Medicine
NJ 25MB04672200

The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.

Additional Information

Medicare Ordering & Referring
Provider can:
  • Refer to Part B
  • Order Durable Medical Equipment
  • Refer to Home Health Agency
  • Order Power Mobility Devices
Affiliations
MARK GERSHENBAUM is affiliated with the following medical group(s):
  • HOSPITAL
    • CENTRASTATE MEDICAL CENTER
      901 WEST MAIN STREET
      FREEHOLD, NJ 07728
    • JFK MEDICAL CENTER
      65 JAMES STREET
      EDISON, NJ 08820

Why is my NPI data (personal information) being displayed publicly?
If you have an active NPI profile, your profile is required to be disclosed according to the FOIA and eFOIA. HIPAA also requires covered providers to share their NPI with other providers, health plans, clearinghouses and any entity that may need it for billing purposes.

How do I correct or change the NPI data displayed here?
At any time, providers can make changes to their NPI profile at NPPES. Login to NPPES to make changes online or call (800) 465-3203 for assistance. Changes made at NPPES will be reflected on this web site within a few days.

Can I hide my NPI profile from the public?
Unfortunately, No. The NPPES discloses health care provider data under the Freedom of Information Act to the public, which means anyone may request such information directly from the National Plan & Provider Enumeration System. See the complete CMS Data Dissemination Notice here.