Mark E Wertenteil, M.D.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

64782 Issued in NJ

Practice address

85 Harristown Rd
Glen Rock, NJ 07452-3329

Phone

(201) 689-3726

Fax

(201) 794-2117

NPI assigned

Mar 17, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 5

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

Specialty

Internal Medicine

Education

New York University School of Medicine, 1994

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Valley Physician Services PCGroup PAC ID 3577857333, 593 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Valley Home Care Inc. Home health agency, Paramus, NJ, CCN 317008
• Valley Hospital Hospital, Paramus, NJ, CCN 310012

Merit-based Incentive Payment System (MIPS)

Final score

95.05 of 100Reported as apm

Quality

85.71

Promoting interoperability

100

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mark.wertenteil.2@5622.direct.athenahealth.com

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.

• Valley Physician Services PC

  • Internal Medicine Physician
  • Paramus, NJ
  • NPI 1467815928
  Medicare reassignment Care Compare group NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• The Valley Hospital Inc.

  • General Acute Care Hospital
  • Paramus, NJ
  • NPI 1013912633
  Care Compare affiliation
• Valley Home Care, Inc

  • Home Health Agency
  • Paramus, NJ
  • NPI 1174588925
  Care Compare affiliation

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

{
    "created_epoch": "1142553600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1764720000000",
    "number": "1922067180",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "85 HARRISTOWN RD",
            "city": "GLEN ROCK",
            "state": "NJ",
            "postal_code": "074523329",
            "telephone_number": "201-689-3726",
            "fax_number": "201-794-2117"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "85 HARRISTOWN RD",
            "city": "GLEN ROCK",
            "state": "NJ",
            "postal_code": "074523329",
            "telephone_number": "201-689-3726",
            "fax_number": "201-794-2117"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WERTENTEIL",
        "first_name": "MARK",
        "middle_name": "E",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-17",
        "last_updated": "2025-12-03",
        "certification_date": "2025-12-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NJ",
            "license": "64782",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "OXFORD",
            "identifier": "P626640",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "UNITEDHEALTHCARE",
            "identifier": "1750922",
            "state": null
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "7372604",
            "state": "NJ"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA",
            "identifier": "5240557",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AMERIHEALTH",
            "identifier": "0464052000",
            "state": null
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Cheryl McClarran Wardrop, M.A., CCC-SLP
• Yana Warshawsky
• Gail Weinberg, LSW
• Lori Gail Weiser, MD
• James Welch, M.D.
• Aisling N Whelan, RDN
• Stephanie Whittaker, DPT
• Joyce Meltzer Woll, LCSW
• Judy Woo, M.D.
• Patricia A. Woods, LPC-NJ, LPC-PA, NCC

• Internal Medicine Physician in Glen Rock, NJ
• Providers in Glen Rock, NJ by specialty
• Internal Medicine Physician in New Jersey

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 3, 2025; 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.