James Ryan Maggart, MD

Primary specialty

Surgery PhysicianTaxonomy code 208600000X

License

L8423 Issued in TX

Practice address

9200 Pinecroft Dr Ste 255
Shenandoah, TX 77380-3286

Phone

(281) 419-8400

Fax

(281) 292-1972

NPI assigned

Oct 10, 2006

Last updated

Aug 20, 2026By the provider in NPPES

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 2

Medicare fee-for-service enrollment

Enrolled in TX

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

Specialty

General Surgery

Education

Texas Tech University Health Science Center School of Medicine, 1999

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Woodlands Surgical Associates PLLCGroup PAC ID 7810184645, 11 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Memorial Hermann Hospital System Hospital, Houston, TX, CCN 450184
• Houston Methodist the Woodlands Hospital Hospital, The Woodlands, TX, CCN 670122
• Memorial Hermann Northeast Hospital Hospital, Humble, TX, CCN 450684

Merit-based Incentive Payment System (MIPS)

Final score

76.21 of 100Reported as group

Quality

40

Improvement activities

40

Cost

94.43

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: jmaggart66225@memorialhermann.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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Woodlands Surgical Associates PLLC

  • Surgery Physician
  • Shenandoah, TX
  • NPI 1518286053
  Medicare reassignment Care Compare group NPD
• Sadler Clinic Association

  dba Sadler Clinic

  • Multi-Specialty Clinic/Center
  • Conroe, TX
  • NPI 1114979127
  NPD (past)

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

• Memorial Hermann Health System

  dba MHHS NW Radiation Therapy

  • Radiology Clinic/Center
  • Houston, TX
  • NPI 1013948553

  Hospital

  Care Compare affiliation
• Memorial Hermann Health System

  dba MHHS Woodlands Outpatient Imaging System

  • Radiology Clinic/Center
  • The Woodlands, TX
  • NPI 1275564858

  Hospital

  Care Compare affiliation
• Memorial Hermann Health System

  dba Memorial Hermann Northeast

  • General Acute Care Hospital
  • Humble, TX
  • NPI 1295843787
  Care Compare affiliation
• Memorial Hermann Health System

  dba Memorial Hermann Outpatient Imaging-Southwest

  • Radiology Clinic/Center
  • Houston, TX
  • NPI 1407959448

  Hospital

  Care Compare affiliation
• Memorial Hermann Health System

  dba MHHS Friendswood Imaging

  • Radiology Clinic/Center
  • Friendswood, TX
  • NPI 1508896267

  Hospital

  Care Compare affiliation
• Memorial Hermann Health System

  dba MHHS Pearland Outpatient Imaging Center

  • Radiology Clinic/Center
  • Pearland, TX
  • NPI 1669402335

  Hospital

  Care Compare affiliation
• Memorial Hermann Health System

  • General Acute Care Hospital
  • Houston, TX
  • NPI 1730132234
  Care Compare affiliation
• Methodist Health Centers

  dba Houston Methodist The Woodlands Hospital

  • General Acute Care Hospital
  • The Woodlands, TX
  • NPI 1184179194
  Care Compare affiliation

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

{
    "created_epoch": "1160438400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787184000000",
    "number": "1093802985",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9200 PINECROFT DR STE 255",
            "city": "SHENANDOAH",
            "state": "TX",
            "postal_code": "773803286",
            "telephone_number": "281-419-8400",
            "fax_number": "281-292-1972"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9200 PINECROFT DR STE 255",
            "city": "SHENANDOAH",
            "state": "TX",
            "postal_code": "773803286",
            "telephone_number": "281-419-8400",
            "fax_number": "281-292-1972"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1501 River Pointe Dr Ste 200",
            "address_purpose": "LOCATION",
            "city": "Conroe",
            "state": "TX",
            "postal_code": "773042861",
            "country_code": "US",
            "telephone_number": "936-760-3443",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "9250 Pinecroft Dr",
            "address_purpose": "LOCATION",
            "city": "Shenandoah",
            "state": "TX",
            "postal_code": "773803218",
            "country_code": "US",
            "telephone_number": "281-364-2300",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "9200 Pinecroft Dr Ste 250",
            "address_purpose": "LOCATION",
            "city": "Shenandoah",
            "state": "TX",
            "postal_code": "773803286",
            "country_code": "US",
            "telephone_number": "281-419-8400",
            "fax_number": "281-292-1972",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "17201 Interstate 45 S",
            "address_purpose": "LOCATION",
            "city": "The Woodlands",
            "state": "TX",
            "postal_code": "773853311",
            "country_code": "US",
            "telephone_number": "936-270-2000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "9863 Fm 1097 Rd W",
            "address_purpose": "LOCATION",
            "city": "Willis",
            "state": "TX",
            "postal_code": "773184937",
            "country_code": "US",
            "telephone_number": "936-228-8955",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MAGGART",
        "first_name": "JAMES",
        "middle_name": "RYAN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-10-10",
        "last_updated": "2026-08-20",
        "certification_date": "2026-08-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "TX",
            "license": "L8423",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "166153001",
            "state": "TX"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "166153002",
            "state": "TX"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Madhavi Machineni, M.D
• Karen Lee Mackenney, RN, FNP
• Brooke D Madl, LCSW
• Gertrude Chinwe Madueke
• Vallery Mechell Magee, MD
• Shail Maheshwari, MD
• Sameera Mahmood, PHARMD
• Mahsa Mossadegh MD PLLC (North Houston Surgical Associates)
• Sirshendu Majumdar, MD
• Elizabeth Jean Maloney, PA-C

• Surgery Physician in Shenandoah, TX
• Providers in Shenandoah, TX by specialty
• Surgery Physician in Texas

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