Individual provider Active NPI

Nelly A Heiman, MD

  • Obstetrics & Gynecology Physician
  • Houston, TX
National Provider Identifier
1033326103
Registry record updated Apr 21, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X
License
M5750 Issued in TX
Practice address
18220 Tomball Pkwy
Suite 100
Houston, TX 77070-4347
Phone
(281) 737-1320
Fax
(281) 737-1321
NPI assigned
May 17, 2007
Last updated
Apr 21, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 21, 2026

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Obstetrics Physician 207VX0000X 1026272 MA
Obstetrics & Gynecology Physician 207V00000X MD493362 PA
Obstetrics & Gynecology Physician 207V00000X M5750 TX Primary
Obstetrics & Gynecology Physician 207V00000X MD-56446 IA

Addresses

Primary practice location

18220 Tomball Pkwy
Suite 100
Houston, TX 77070-4347

Mailing address

18220 State Highway 249 Ste 475
Houston, TX 77070-1052
Phone (281) 737-1320

Other practice location 1

1111 6th Ave
Des Moines, IA 50314-2613
Phone (515) 247-4240

Other practice location 2

1755 59th Pl
West Des Moines, IA 50266-7737
Phone (515) 247-4240

Other practice location 3

850 Harrison Avenue, FL 4
Yawkey Bldg
Boston, MA 02118
Phone (617) 414-2000

Other practice location 4

555 N Duke St
Lancaster, PA 17602-2250
Phone (717) 291-1016

Other practice location 5

736 Cambridge St
7th, FL
Brighton, MA 02135-2907
Phone (617) 562-7026

Other identifiers 4

IdentifierTypeStateIssuer
110071404AMedicaidMA
190002902MedicaidTX
359727001MedicaidTX
8FX376OtherTXBLUE CROSS BLUE SHIELD

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX, WI, PA, IA, MA5 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 5

Enrollment IDStateProvider typePAC IDDetails
I20071001000450 TX Practitioner - Obstetrics/Gynecology 0648365072 Reassigns benefits to 4 organizations
I20260218000019 WI Practitioner - Obstetrics/Gynecology 0648365072 Reassigns benefits to 1 organization
I20260318002893 PA Practitioner - Obstetrics/Gynecology 0648365072 Reassigns benefits to 1 organization
I20260430001738 IA Practitioner - Obstetrics/Gynecology 0648365072 Reassigns benefits to 2 organizations
I20260508003716 MA Practitioner - Obstetrics/Gynecology 0648365072 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Obstetrics/Gynecology
Education
Other, 2003
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
TMH Physician Associates PLLCGroup PAC ID 4486711744, 1,881 clinicians
Houston Methodist Specialty PhysiciansGroup PAC ID 5193239796, 1,498 clinicians

Practice addresses (Care Compare)

128 Hospital Dr
Watertown, WI 53098-3304
Phone (920) 262-4825

18220 St Hwy 249
Houston, TX 77070-4349

18220 Tomball Pkwy
Houston, TX 77070-4349

6445 Main St
Suite 2500
Houston, TX 77030-1502
Phone (713) 441-3150

7575 San Felipe St
Suite 155
Houston, TX 77063-1777
Phone (713) 266-9955

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
MD-56446IAMDObstetrics & Gynecology Physician
MD493362PAMDObstetrics & Gynecology Physician
1026272MAMDObstetrics Physician

Practice roles

OrganizationSpecialtyStatusNew patients
TMH Physician Associates PLLC CurrentSince Jul 19, 2016 Accepting new patients
Watertown Physician Practices LLC Obstetrics & Gynecology CurrentSince Feb 11, 2026 Accepting new patients
TMH Physician Associates PLLC CurrentSince Jul 19, 2016 Accepting new patients
Lancaster General Medical Group Obstetrics & Gynecology CurrentSince Apr 27, 2026 Accepting new patients
Lancaster General Medical Group Obstetrics & Gynecology CurrentSince Apr 27, 2026 Accepting new patients
Watertown Physician Practices LLC CurrentSince Feb 11, 2026 Accepting new patients
Houston Methodist Specialty Physicians Obstetrics & Gynecology CurrentSince Jan 1, 2026 Accepting new patients
Methodist Health Centers Past Accepting new patients
Houston Methodist Past Accepting new patients

Locations

555 N Duke St
Lancaster, PA 17602
Phone (717) 544-5945

694 Good Dr
#112
Lancaster, PA 17601
Phone 71739781771890

18220 State Highway 249
Ste 475
Houston, TX 77070
Phone (832) 698-5511

18220 Tomball Pkwy
Ste 100
Houston, TX 77070
Phone (281) 737-0476

6445 Main St
Ste 2500
Houston, TX 77030
Phone (713) 441-3150

6550 Fannin St
Ste 447
Houston, TX 77030
Phone (713) 441-0633

7575 San Felipe St
Ste 155
Houston, TX 77063
Phone (713) 266-9955

16605 Southwest Fwy
Ste 400
Sugar Land, TX 77479
Phone (281) 275-0800

128 Hospital Dr
Watertown, WI 53098
Phone (920) 261-4210

1507 Doctors Ct
Watertown, WI 53094
Phone (920) 261-4111

Interoperability endpoints

  • Direct secure messaging: nheiman66894@directhoustonmethodist.org

Organizations & group practices 17

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.

View all 17

Hospital & facility affiliations 2

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": "1179360000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776729600000",
    "number": "1033326103",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "18220 STATE HIGHWAY 249 STE 475",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770701052",
            "telephone_number": "281-737-1320",
            "fax_number": "281-737-1321"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "18220 TOMBALL PKWY",
            "address_2": "SUITE 100",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770704347",
            "telephone_number": "281-737-1320",
            "fax_number": "281-737-1321"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1111 6th Ave",
            "address_purpose": "LOCATION",
            "city": "Des Moines",
            "state": "IA",
            "postal_code": "503142613",
            "country_code": "US",
            "telephone_number": "515-247-4240",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1755 59th Pl",
            "address_purpose": "LOCATION",
            "city": "West Des Moines",
            "state": "IA",
            "postal_code": "502667737",
            "country_code": "US",
            "telephone_number": "515-247-4240",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "850 Harrison Avenue, FL 4",
            "address_2": "Yawkey Bldg",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "02118",
            "country_code": "US",
            "telephone_number": "617-414-2000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "555 N Duke St",
            "address_purpose": "LOCATION",
            "city": "Lancaster",
            "state": "PA",
            "postal_code": "176022250",
            "country_code": "US",
            "telephone_number": "717-291-1016",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "736 Cambridge St",
            "address_2": "7th, FL",
            "address_purpose": "LOCATION",
            "city": "Brighton",
            "state": "MA",
            "postal_code": "021352907",
            "country_code": "US",
            "telephone_number": "617-562-7026",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HEIMAN",
        "first_name": "NELLY",
        "middle_name": "A",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-05-17",
        "last_updated": "2026-04-21",
        "certification_date": "2026-04-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207VX0000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology, Obstetrics",
            "state": "MA",
            "license": "1026272",
            "primary": false
        },
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "PA",
            "license": "MD493362",
            "primary": false
        },
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "TX",
            "license": "M5750",
            "primary": true
        },
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "IA",
            "license": "MD-56446",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "110071404A",
            "state": "MA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "190002902",
            "state": "TX"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "359727001",
            "state": "TX"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE CROSS BLUE SHIELD",
            "identifier": "8FX376",
            "state": "TX"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Houston, TX

Sources for this page

Verify at the official NPI Registry.