Alexander Gaitanis, D.O.

Primary specialty

Medical Oncology PhysicianTaxonomy code 207RX0202X

License

OS017678 Issued in PA

Practice address

5501 Old York Rd Ste 1
Philadelphia, PA 19141-3018

Phone

(215) 456-3880

Fax

(215) 456-3437

NPI assigned

Aug 8, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Enrolled in CA, WV, PA, MA4 enrollments

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 4

Specialty

Hematology/Oncology

Education

Philadelphia College of Osteopathic Medicine, 2003

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Physicians of Cape Cod HospitalGroup PAC ID 9638326671, 330 clinicians

Providence Medical FoundationGroup PAC ID 8921993205, 1,461 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Providence St Joseph Hospital Hospital, Eureka, CA, CCN 050006
• Cape Cod Hospital Hospital, Hyannis, MA, CCN 220012
• Providence Redwood Memorial Hospital Hospital, Fortuna, CA, CCN 051318
• Mad River Community Hospital Hospital, Arcata, CA, CCN 050028

Merit-based Incentive Payment System (MIPS)

Final score

95.34 of 100Reported as apm

Quality

79.86

Promoting interoperability

100

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy, Doctor of Medicine

State licenses

Practice roles

Locations

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

• Direct secure messaging: agaitanis309002@direct.wvuhsdirect.com
• Direct secure messaging: agaitanis@directaddress.net

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.

• Physicians of Cape Cod Hospital

  • Neuroradiology Physician
  • Hyannis, MA
  • NPI 1679832364

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• Providence Medical Foundation

  • Family Medicine Physician
  • Brea, CA
  • NPI 1871607762
  Medicare reassignment Care Compare group
• Geisinger Clinic

  • Family Medicine Physician
  • Danville, PA
  • NPI 1366493868
  Medicare reassignment NPD
• Charleston Area Medical Center, Inc.

  • General Acute Care Hospital
  • Charleston, WV
  • NPI 1124248752
  Medicare reassignment NPD
• Confermed of California PC

  • Internal Medicine Physician
  • Irvine, CA
  • NPI 1316584709
  Medicare reassignment NPD
• Komal Desai MD Inc

  • Radiation Oncology Physician
  • Bakersfield, CA
  • NPI 1538740618
  Medicare reassignment NPD
• Geisinger Clinic

  • Diagnostic Radiology Physician
  • Danville, PA
  • NPI 1558313023
  NPD
• Geisinger Clinic

  • Family Medicine Physician
  • Tunkhannock, PA
  • NPI 1891746277
  NPD
• Charleston Area Medical Center Inc

  • Multi-Specialty Clinic/Center
  • Belpre, OH
  • NPI 1588422547
  NPD
• Princeton Community Hospital Assn Inc.

  • Urology Physician
  • Princeton, WV
  • NPI 1093917643
  NPD
• Princeton Community Hospital Assn., Inc

  • Rural Health Clinic/Center
  • Bluefield, VA
  • NPI 1235446485
  NPD
• Confermed PC

  • Internal Medicine Physician
  • Middletown, CT
  • NPI 1376190850
  NPD (past)

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

• American Hospital Management Corporation

  • General Acute Care Hospital
  • Arcata, CA
  • NPI 1518996040
  Care Compare affiliation
• Cape Cod Hospital Inc

  • General Acute Care Hospital
  • Hyannis, MA
  • NPI 1114984671
  Care Compare affiliation
• St. Joseph Health Northern California, LLC

  • Critical Access Hospital
  • Fortuna, CA
  • NPI 1043292303
  Care Compare affiliation
• St. Joseph Health Northern California, LLC

  • Critical Access Hospital
  • Fortuna, CA
  • NPI 1285849026
  Care Compare affiliation
• St. Joseph Health Northern California, LLC

  • Home Infusion Therapy Pharmacy
  • Eureka, CA
  • NPI 1568422319

  Hospital

  Care Compare affiliation
• St. Joseph Health Northern California, LLC

  • General Acute Care Hospital
  • Eureka, CA
  • NPI 1609858950
  Care Compare affiliation
• St. Joseph Health Northern California, LLC

  • General Acute Care Hospital
  • Eureka, CA
  • NPI 1891900635
  Care Compare affiliation

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

{
    "created_epoch": "1154995200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1748390400000",
    "number": "1114937844",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "101 E OLNEY AVE STE 400",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191202470",
            "telephone_number": "215-456-1825",
            "fax_number": "215-456-5926"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5501 OLD YORK RD STE 1",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191413018",
            "telephone_number": "215-456-3880",
            "fax_number": "215-456-3437"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "8900 Wilshire Blvd",
            "address_purpose": "LOCATION",
            "city": "Beverly Hills",
            "state": "CA",
            "postal_code": "902111958",
            "country_code": "US",
            "telephone_number": "877-320-5131",
            "fax_number": "310-432-8901",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1000 East Mountain Blvd",
            "address_purpose": "LOCATION",
            "city": "Wilkes Barre",
            "state": "PA",
            "postal_code": "187113486",
            "country_code": "US",
            "telephone_number": "570-808-4772",
            "fax_number": "570-808-6174",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GAITANIS",
        "first_name": "ALEXANDER",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-08-08",
        "last_updated": "2025-05-28",
        "certification_date": "2025-05-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TN",
            "license": "1799",
            "primary": false
        },
        {
            "code": "207RX0202X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Medical Oncology",
            "state": "CA",
            "license": "10801",
            "primary": false
        },
        {
            "code": "207RX0202X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Medical Oncology",
            "state": "PA",
            "license": "OS017678",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Caroline Renee Gainey
• William C Gainey
• Gaining Hope Home Care
• Hannah Marie Gairdner, PA-C
• Andrea Carolina Gaitan, MSW
• James Gaither
• Shakeria Gaither, CRNP
• Zia Gajary, MD
• Arjun Gajulapalli, MD
• Anthony Eric Gak, MD

• Medical Oncology Physician in Philadelphia, PA
• Providers in Philadelphia, PA by specialty
• Medical Oncology Physician in Pennsylvania

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 28, 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.