Individual provider Active NPI

Mark J. Dryden, M.D.

  • Diagnostic Radiology Physician
  • Houston, TX
National Provider Identifier
1275632341
Registry record updated Mar 2, 2010
On this page

Key facts

NPPES NPI Registry
Primary specialty
Diagnostic Radiology PhysicianTaxonomy code 2085R0202X
License
L0143 Issued in TX
Practice address
1515 Holcombe Blvd
Houston, TX 77030-4009
Phone
(713) 792-6161
NPI assigned
Sep 22, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 2, 2010

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Diagnostic Radiology Physician 2085R0202X L0143 TX Primary

Addresses

Primary practice location

1515 Holcombe Blvd
Houston, TX 77030-4009

Mailing address

PO Box 4439
Houston, TX 77210-4439
Phone (713) 792-2991

Other identifiers 2

IdentifierTypeStateIssuer
8A6110OtherTXBCBS
104553602MedicaidTX

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY
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

Enrollment IDStateProvider typePAC IDDetails
I20260130002775 NY Practitioner - Diagnostic Radiology 4587780390 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Diagnostic Radiology
Education
Other, 1995
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Mammography of the University of RochesterGroup PAC ID 8820151673, 16 clinicians

Practice addresses (Care Compare)

601 Elmwood Ave
Rochester, NY 14642-0002
Phone (585) 275-5434

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
84.29 of 100Reported as group
Quality
70.82
Promoting interoperability
100
Improvement activities
40
Cost
67.65

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
340278NYMDLicensed Practical Nurse
L0143TXMDDiagnostic Radiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Mammography of the University of Rochester Diagnostic Radiology CurrentSince Feb 1, 2026 Accepting new patients
Synergy Radiology Associates PLLC PastSince Jun 11, 2023 Accepting new patients

Locations

601 Elmwood Ave
Rochester, NY 14642
Phone (585) 275-9555

Organizations & group practices 2

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.

Hospital & facility affiliations 6

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

NPI Registry JSON

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

{
    "created_epoch": "1158883200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1267488000000",
    "number": "1275632341",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 4439",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "772104439",
            "telephone_number": "713-792-2991"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1515 HOLCOMBE BLVD",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770304009",
            "telephone_number": "713-792-6161"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DRYDEN",
        "first_name": "MARK",
        "middle_name": "J.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-09-22",
        "last_updated": "2010-03-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "TX",
            "license": "L0143",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS",
            "identifier": "8A6110",
            "state": "TX"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "104553602",
            "state": "TX"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Houston, TX

Sources for this page

Verify at the official NPI Registry.