Katharine Offer, M.D.

Primary specialty

Pediatric Hematology & Oncology PhysicianTaxonomy code 2080P0207X

License

25MA10148500 Issued in NJ

Practice address

30 Prospect Ave
Hackensack, NJ 07601-1915

Phone

(551) 996-5437

NPI assigned

Apr 15, 2011

Sex

Female

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in NJ

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Merit-based Incentive Payment System (MIPS)

Final score

88.44 of 100Reported as group

Quality

72.96

Promoting interoperability

100

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhir4.healow.com/fhir/r4/IHJHBD
• Direct secure messaging: katharine.offer@direct.hackensackmeridian.org

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Hackensack Meridian Health Medical Group - Complex Care PC

  • Internal Medicine Physician
  • Red Bank, NJ
  • NPI 1154379626
  Medicare reassignment NPD
• Hackensack Meridian Health Medical Group - Specialty Care PC

  • Surgical Critical Care Physician
  • Red Bank, NJ
  • NPI 1215989249
  Medicare reassignment NPD
• Hackensack Meridian Health Medical Group - Specialty Care PC

  • Durable Medical Equipment & Medical Supplies
  • North Bergen, NJ
  • NPI 1215734199
  NPD

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1302825600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788825600000",
    "number": "1154611754",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "615 WITTHILL RD",
            "city": "RIDGEWOOD",
            "state": "NJ",
            "postal_code": "074505303",
            "telephone_number": "401-662-0904"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "30 PROSPECT AVE",
            "city": "HACKENSACK",
            "state": "NJ",
            "postal_code": "076011915",
            "telephone_number": "551-996-5437"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OFFER",
        "first_name": "KATHARINE",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2011-04-15",
        "last_updated": "2026-09-08",
        "certification_date": "2026-09-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2080P0207X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Hematology-Oncology",
            "state": "NJ",
            "license": "25MA10148500",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Iseri F. Obadaseraye, MD
• Victoria Obelle
• OBGYN Associates of North Jersey
• Nneka Obi, DDS
• Amanda Ocampo, PA-C
• Angelique Ogunsemowo
• Shawn Ohazuruike
• Debora Ohevshalom
• Oreoluwa Ojutiku, M.D.
• Enuma Okuzu, MD

• Pediatric Hematology & Oncology Physician in Hackensack, NJ
• Providers in Hackensack, NJ by specialty
• Pediatric Hematology & Oncology Physician in New Jersey

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 8, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.