Ryan Longman

Primary specialty

Maternal & Fetal Medicine PhysicianTaxonomy code 207VM0101X

License

234349 Issued in NY

Practice address

156 William St FL 7
New York, NY 10038-5327

Phone

(646) 962-2620

NPI assigned

Mar 29, 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

Medicare fee-for-service enrollment

Enrolled in IL, IN, NY3 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 3

Specialty

Obstetrics/Gynecology

Education

Jefferson Medical College of Thomas Jefferson University, 2001

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

University of ChicagoGroup PAC ID 7719899426, 1,674 clinicians

The University of Chicago Medical CenterGroup PAC ID 7618880766, 907 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• The University of Chicago Medical Center Hospital, Chicago, IL, CCN 140088

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: rlongman191175@uchospital.direct-ci.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.

• The University of Chicago Medical Center

  • General Acute Care Hospital
  • Chicago, IL
  • NPI 1033218128
  Medicare reassignment Care Compare group NPD
• University of Chicago

  • Multi-Specialty Clinic/Center
  • Chicago, IL
  • NPI 1821048786

  IN

  Medicare reassignment Care Compare group NPD
• Weill Medical College of Cornell

  • Obstetrics & Gynecology Physician
  • New York, NY
  • NPI 1013958610
  Medicare reassignment NPD
• Weill Medical College of Cornell

  • Cardiovascular Disease Physician
  • New York, NY
  • NPI 1144729385
  NPD
• The University of Chicago Medical Center

  • Community/Retail Pharmacy
  • Calumet City, IL
  • NPI 1255895678
  NPD
• Cornell University Medical College

  • Psychologist
  • White Plains, NY
  • NPI 1528084910
  NPD (past)
• Weill Medical College of Cornell

  • Gynecologic Oncology Physician
  • New York, NY
  • NPI 1952345647
  NPD (past)

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

• The University of Chicago Medical Center

  • General Acute Care Hospital
  • Chicago, IL
  • NPI 1508956509
  Care Compare affiliation

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

{
    "created_epoch": "1175126400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768867200000",
    "number": "1689794356",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "156 WILLIAM ST FL 7",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100385327",
            "telephone_number": "646-962-2620"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "156 WILLIAM ST FL 7",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100385327",
            "telephone_number": "646-962-2620"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LONGMAN",
        "first_name": "RYAN",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-03-29",
        "last_updated": "2026-01-20",
        "certification_date": "2026-01-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207VM0101X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology, Maternal & Fetal Medicine",
            "state": "NY",
            "license": "234349",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Longevity Pharmacy LLC
• Daniella Longhi
• Colleen M Longley, MD
• Regina Marie Longley
• Randy Scott Longman, MD / PHD
• David Joseph Longmire, L.P., L.M.H.C.
• Danielle Longo, RPH, PHARMD
• Danielle Marina Longo
• Deanna Marion Longo, OTR/L
• Mario Longo

• Maternal & Fetal Medicine Physician in New York, NY
• Providers in New York, NY by specialty
• Maternal & Fetal Medicine Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 20, 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.