Mark Allen Schaeffer, M.D.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

25MA04680500 Issued in NJ

Practice address

800 Bunn Dr
Suite 302
Princeton, NJ 08540-1968

Phone

(609) 921-1680

Fax

(609) 921-1438

NPI assigned

Feb 12, 2007

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 1

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Princeton Premier Medicine, LLC

  • Internal Medicine Physician
  • Princeton, NJ
  • NPI 1043538184
  NPD Authorized official
• Princeton Internal Medicine and Geriatrics LLC

  • Internal Medicine Physician
  • Princeton, NJ
  • NPI 1669030250
  NPD
• Princeton Internal Medicine Associates, P.C.

  • Internal Medicine Physician
  • West Windsor, NJ
  • NPI 1740321660
  NPD (past)

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

{
    "created_epoch": "1171238400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1331424000000",
    "number": "1194866087",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "800 BUNN DR",
            "address_2": "SUITE 302",
            "city": "PRINCETON",
            "state": "NJ",
            "postal_code": "085401968",
            "telephone_number": "609-921-1680",
            "fax_number": "609-921-1438"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "800 BUNN DR",
            "address_2": "SUITE 302",
            "city": "PRINCETON",
            "state": "NJ",
            "postal_code": "085401968",
            "telephone_number": "609-921-1680",
            "fax_number": "609-921-1438"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SCHAEFFER",
        "first_name": "MARK",
        "middle_name": "ALLEN",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-02-12",
        "last_updated": "2012-03-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NJ",
            "license": "25MA04680500",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "TAX ID # PRINCETON PREMIER MEDICINE, LLC",
            "identifier": "271656004",
            "state": "NJ"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Mary Helen Sauceda
• Margarita Savitsky
• Saz Health LLC
• Amber Scalera, LCSW, LCADC
• David Lynn Scasta, M.D.
• Laura Schafer, M.D.
• Shira Elizabeth Schaktman, PSY.D.
• Allison J Scharf, D.C.
• Roberta E Scharff, P.T.
• Elizabeth Anne Scheff, M.D.

• Internal Medicine Physician in Princeton, NJ
• Providers in Princeton, 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 Mar 11, 2012; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.