Alexander Pop, M.D.

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

316584 Issued in NY

Practice address

95 Crystal Run Rd
Middletown, NY 10941-7001

Phone

(845) 703-6999

Fax

(845) 703-6297

NPI assigned

Jun 17, 2016

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in NY, CT2 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 2

Specialty

Gastroenterology

Education

Florida International Univ, College of Medicine, 2016

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Crystal Run Healthcare Physicians LLPGroup PAC ID 6901792696, 366 clinicians

Nuvance Health Medical Practice PCGroup PAC ID 1658468442, 578 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Garnet Health Medical Center Hospital, Middletown, NY, CCN 330126
• Vassar Brothers Medical Center Hospital, Poughkeepsie, NY, CCN 330023

Merit-based Incentive Payment System (MIPS)

Final score

85.01 of 100Reported as group

Quality

73.63

Promoting interoperability

100

Improvement activities

40

Cost

72.39

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Networks

• Healthfirst Medicare Network H1722
• Healthfirst Medicare Network H5989
• Healthfirst Medicare Network H9678
• Healthfirst Medicare Network H3359

Interoperability endpoints

• Direct secure messaging: apop128211@direct.optum.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.

• Crystal Run Healthcare Physicians LLP

  • General Practice Physician
  • Middletown, NY
  • NPI 1952376410

  Gastroenterology

  Medicare reassignment Care Compare group NPD
• Nuvance Health Medical Practice PC

  • Internal Medicine Physician
  • Poughkeepsie, NY
  • NPI 1437358033
  Medicare reassignment Care Compare group
• Nuvance Health Medical Practice CT, Inc.

  • Internal Medicine Physician
  • Danbury, CT
  • NPI 1407898117
  Medicare reassignment
• Crystal Run Healthcare Physicians LLP

  • Durable Medical Equipment & Medical Supplies
  • Monroe, NY
  • NPI 1558857425
  NPD

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

• Garnet Health Medical Center

  • General Acute Care Hospital
  • Middletown, NY
  • NPI 1609875772
  Care Compare affiliation
• Vassar Brothers Hospital

  • General Acute Care Hospital
  • Poughkeepsie, NY
  • NPI 1740233899
  Care Compare affiliation
• Vassar Brothers Medical Center

  • Clinical Medical Laboratory
  • Poughkeepsie, NY
  • NPI 1780052514

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1466121600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775520000000",
    "number": "1922458249",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5501 OLD YORK RD",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191413018",
            "telephone_number": "215-456-6500"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "95 CRYSTAL RUN RD",
            "city": "MIDDLETOWN",
            "state": "NY",
            "postal_code": "109417001",
            "telephone_number": "845-703-6999",
            "fax_number": "845-703-6297"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "POP",
        "first_name": "ALEXANDER",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2016-06-17",
        "last_updated": "2026-04-07",
        "certification_date": "2026-04-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "CT",
            "license": "83773",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "NY",
            "license": "316584",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Amarnath Narayanappa Polepalle, DO
• Cheryl Pollidore, NURSE PRACTITIONER
• Kelly Ann Pollock, RDN, CDN, CSG
• Matthew Pomykala, D.O.
• Anjana Poonthota, M.D.
• Anna Kim Popper, MSED
• Lorraine K. Porcaro, RN
• Helen Portalatin, FNP
• Monica M Post
• Jennifer Povill, LMSW

• Gastroenterology Physician in Middletown, NY
• Providers in Middletown, NY by specialty
• Gastroenterology Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 7, 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.