Active NPI
Ethel Mae Maccallum, OTR
- Occupational Therapist
- Katy, TX
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Occupational Therapist
- License
- 108431
- Practice address
- 810 S Mason Rd
Katy, TX 77450-3895 - Phone
- (281) 652-5200
- Fax
- (818) 357-2505
- NPI assigned
- Jun 26, 2017
- Sex
- Female
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Occupational Therapist | 225X00000X | 108431 | TX | Primary |
| Occupational Therapist | 225X00000X | 27508 | CA |
Addresses
Primary practice location
810 S Mason Rd
Katy, TX 77450-3895
Mailing address
605 Pelican St
Magnolia, TX 77355-3421
Phone (817) 292-8787
Other practice location 1
14515 Briarhills Pkwy Ste 208
Houston, TX 77077-1034
Phone (832) 850-2733
Other practice location 2
4300 Long Beach Blvd Ste 700
Long Beach, CA 90807-2000
Phone (818) 894-2273
Other practice location 3
5806 Pacific Blvd
Huntington Park, CA 90255-2618
Phone (818) 894-2273
Other practice location 4
599 S Barranca Ave Ste 555
Covina, CA 91723-2791
Phone (818) 894-2273
Other practice location 5
6420 Wilshire Blvd Ste 600
Los Angeles, CA 90048-5521
Phone (818) 894-2273
Other practice location 6
3356 W Ball Rd Ste 219
Anaheim, CA 92804-3728
Phone (818) 894-2273
Other practice location 7
6320 Canoga Ave Fl 15
Woodland Hills, CA 91367-2563
Phone (818) 894-2273
Other practice location 8
8929 Aero Dr Ste E
San Diego, CA 92123-2231
Phone (877) 757-8353
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in TX, CA
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- Occupational Therapist in Private Practice
- Education
- Other, 1983
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
3031 Tisch Way 110 Plaza W
San Jose, CA 95128-2541
Phone (877) 757-8353
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 27508 | CA | MD | Psychologist |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| All Care Physical Therapy, P.C. | Occupational Therapist | Current | Accepting new patients |
| Slptele LLC | Occupational Therapist | Current | Accepting new patients |
| Post Therapy LLC | Occupational Therapist | Current | Accepting new patients |
Locations
8550 Balboa Blvd
Ste 242
Northridge, CA 91325
3031 Tisch Way
Ste 110
San Jose, CA 95128
Phone (669) 200-4619
20333 State Highway 249
Ste 200
Houston, TX 77070
Phone (281) 748-9088
810 S Mason Rd
Ste 315
Katy, TX 77450
Phone (281) 652-5200
8008 Ashlane Way
Ste 120
The Woodlands, TX 77382
Phone (281) 914-4679
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.
-
dba All Care Therapies
- Physical Therapist
- Woodland Hills, CA
- NPI 1104120385
Occupational Therapist
-
dba Post Rehabilitation and Wellness
- Rehabilitation Clinic/Center
- Spring, TX
- NPI 1932967825
Occupational Therapist
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1498435200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783036800000",
"number": "1336669720",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "605 PELICAN ST",
"city": "MAGNOLIA",
"state": "TX",
"postal_code": "773553421",
"telephone_number": "817-292-8787",
"fax_number": "817-789-6849"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "810 S MASON RD",
"city": "KATY",
"state": "TX",
"postal_code": "774503895",
"telephone_number": "281-652-5200",
"fax_number": "818-357-2505"
}
],
"practiceLocations": [
{
"address_1": "14515 Briarhills Pkwy Ste 208",
"address_purpose": "LOCATION",
"city": "Houston",
"state": "TX",
"postal_code": "770771034",
"country_code": "US",
"telephone_number": "832-850-2733",
"fax_number": "713-575-2031",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "4300 Long Beach Blvd Ste 700",
"address_purpose": "LOCATION",
"city": "Long Beach",
"state": "CA",
"postal_code": "908072000",
"country_code": "US",
"telephone_number": "818-894-2273",
"fax_number": "818-357-2505",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "5806 Pacific Blvd",
"address_purpose": "LOCATION",
"city": "Huntington Park",
"state": "CA",
"postal_code": "902552618",
"country_code": "US",
"telephone_number": "818-894-2273",
"fax_number": "818-357-2505",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "599 S Barranca Ave Ste 555",
"address_purpose": "LOCATION",
"city": "Covina",
"state": "CA",
"postal_code": "917232791",
"country_code": "US",
"telephone_number": "818-894-2273",
"fax_number": "818-357-2505",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "6420 Wilshire Blvd Ste 600",
"address_purpose": "LOCATION",
"city": "Los Angeles",
"state": "CA",
"postal_code": "900485521",
"country_code": "US",
"telephone_number": "818-894-2273",
"fax_number": "818-357-2505",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "3356 W Ball Rd Ste 219",
"address_purpose": "LOCATION",
"city": "Anaheim",
"state": "CA",
"postal_code": "928043728",
"country_code": "US",
"telephone_number": "818-894-2273",
"fax_number": "818-357-2505",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "6320 Canoga Ave Fl 15",
"address_purpose": "LOCATION",
"city": "Woodland Hills",
"state": "CA",
"postal_code": "913672563",
"country_code": "US",
"telephone_number": "818-894-2273",
"fax_number": "818-357-2505",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "8929 Aero Dr Ste E",
"address_purpose": "LOCATION",
"city": "San Diego",
"state": "CA",
"postal_code": "921232231",
"country_code": "US",
"telephone_number": "877-757-8353",
"fax_number": "818-357-2505",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "MACCALLUM",
"first_name": "ETHEL",
"middle_name": "MAE",
"credential": "OTR",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2017-06-26",
"last_updated": "2026-07-03",
"certification_date": "2026-07-03",
"status": "A"
},
"taxonomies": [
{
"code": "225X00000X",
"taxonomy_group": "",
"desc": "Occupational Therapist",
"state": "TX",
"license": "108431",
"primary": true
},
{
"code": "225X00000X",
"taxonomy_group": "",
"desc": "Occupational Therapist",
"state": "CA",
"license": "27508",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Katy, TX
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 3, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
- 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.