Active NPI
Michaela Onstad Grinsfelder, MD
- Obstetrics & Gynecology Physician
- Houston, TX
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Obstetrics & Gynecology Physician
- License
- Q3936
- Practice address
- 1515 Holcombe Blvd
Houston, TX 77030-4000 - Phone
- (713) 792-6161
- NPI assigned
- Jun 24, 2008
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Obstetrics & Gynecology Physician | 207V00000X | Q3936 | TX | Primary |
Addresses
Primary practice location
1515 Holcombe Blvd
Houston, TX 77030-4000
Mailing address
P O Box 4439
Houston, TX 77210-4439
Phone (713) 792-2991
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 346621101 | Medicaid | TX |
Other names 1
- Michaela Onstad
Medicare participation
Medicare enrollment files- 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
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Obstetrics/Gynecology
- Education
- University of California, Davis School of Medicine, 2008
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1515 Holcombe Blvd
Houston, TX 77030-4000
Phone (713) 792-2121
Hospital & facility affiliations
- University of Texas M D Anderson Cancer Center
- Harris Health
Merit-based Incentive Payment System (MIPS)
- Final score
- 84.29 of 100
- 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
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Utmb Faculty Group Practice | Obstetrics & Gynecology | Current | Accepting new patients |
| Physicians Referral Service | Current | Accepting new patients | |
| Harris County Hospital District | Past | Accepting new patients |
Locations
301 University Blvd
Galveston, TX 77555
Phone (409) 747-1883
1515 Holcombe Blvd
Houston, TX 77030
Phone (713) 794-5446
1515 Holcombe Blvd
#R4212
Houston, TX 77030
Phone (713) 794-5446
1515 Holcombe Blvd
#M
Houston, TX 77030
Phone (713) 792-6127
Interoperability endpoints
- monstad14393@utmdandersoncc.direct-ci.com
Organizations & group practices 3
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.
-
- Multi-Specialty Clinic/Center
- Houston, TX
- NPI 1073574810
-
- General Practice Physician
- Galveston, TX
- NPI 1942241146
Obstetrics & Gynecology
-
- General Acute Care Hospital
- Houston, TX
- NPI 1205900370
Hospital & facility affiliations 2
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Houston, TX
- NPI 1205900370
-
- General Acute Care Hospital
- Houston, TX
- NPI 1174582050
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1214265600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1682035200000",
"number": "1437310232",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "P O 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": "770304000",
"telephone_number": "713-792-6161"
}
],
"practiceLocations": [],
"basic": {
"last_name": "GRINSFELDER",
"first_name": "MICHAELA",
"middle_name": "ONSTAD",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2008-06-24",
"last_updated": "2023-04-21",
"certification_date": "2023-04-21",
"status": "A"
},
"taxonomies": [
{
"code": "207V00000X",
"taxonomy_group": "",
"desc": "Obstetrics & Gynecology",
"state": "TX",
"license": "Q3936",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "346621101",
"state": "TX"
}
],
"endpoints": [],
"other_names": [
{
"first_name": "MICHAELA",
"last_name": "ONSTAD",
"credential": "MD",
"code": "1",
"type": "Former Name"
}
]
}
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Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 21, 2023; 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.