Active NPI
Nelly A Heiman, MD
- Obstetrics & Gynecology Physician
- Houston, TX
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Obstetrics & Gynecology Physician
- License
- M5750
- 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, 2026
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 4
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 110071404A | Medicaid | MA | |
| 190002902 | Medicaid | TX | |
| 359727001 | Medicaid | TX | |
| 8FX376 | Other | TX | BLUE CROSS BLUE SHIELD |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in TX, WI, PA, IA, MA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 5
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
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
| License | State | Type | Specialty |
|---|---|---|---|
| MD-56446 | IA | MD | Obstetrics & Gynecology Physician |
| MD493362 | PA | MD | Obstetrics & Gynecology Physician |
| 1026272 | MA | MD | Obstetrics Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| TMH Physician Associates PLLC | Current | Accepting new patients | |
| Watertown Physician Practices LLC | Obstetrics & Gynecology | Current | Accepting new patients |
| TMH Physician Associates PLLC | Current | Accepting new patients | |
| Lancaster General Medical Group | Obstetrics & Gynecology | Current | Accepting new patients |
| Lancaster General Medical Group | Obstetrics & Gynecology | Current | Accepting new patients |
| Watertown Physician Practices LLC | Current | Accepting new patients | |
| Houston Methodist Specialty Physicians | Obstetrics & Gynecology | Current | 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
- 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.
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-
dba Penn Medicine LGHP Behavioral Health
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dba MercyOne Clive Family Medicine Clinic
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Hospital & facility affiliations 2
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba Houston Methodist Willowbrook Hospital
- General Acute Care Hospital
- Houston, TX
- NPI 1871619254
-
dba Watertown Regional Medical Center
- General Acute Care Hospital
- Watertown, WI
- NPI 1992776041
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 21, 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.