Errol Olwyn Grannum, MD
Individual provider Active NPI Ophthalmology Physician · McAllen, TX
NPI 1508897935 · NPPES record last updated Jul 8, 2007
Key facts
- NPI
- 1508897935
- Entity type
- Individual (NPI type 1)
- Primary specialty
- Ophthalmology Physician 207W00000X
- License
- K5972 (TX)
- Practice address
- 1910 S 1St St
McAllen, TX 78503-1255 - Phone
- (956) 687-3937
- Fax
- (956) 687-3938
- NPI assigned
- Jul 5, 2006
- Sex
- Male
- Sole proprietor
- Yes
Organizations & group practices 4
Hospital & facility affiliations 1
Medicare Care Compare profile
- Specialty
- Ophthalmology
- Education
- Yale University School of Medicine, 1989
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
- Alexander P. Sudarshan MD PA
Practice addresses (Care Compare)
1058 E Los Ebanos Blvd
Brownsville, TX 78520-9988
Phone (956) 541-4828
1910 S 1St St
McAllen, TX 78503-1255
Phone (956) 687-3937
Hospital & facility affiliations
- Rio Grande Regional Hospital
Merit-based Incentive Payment System (MIPS)
- Final score
- 75 of 100
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Cataract surgery | 20 |
Medicare participation
- Medicare fee-for-service enrollment
- Enrolled in TX
- Eligible to order & refer
- Part B services: Yes · DME: Yes · Home health: Yes · Power mobility devices: Yes · Hospice: Yes
Medicare enrollment records
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20060815000073 | TX | Practitioner - Ophthalmology | 8022011915 | Reassigns benefits to 2 organizations |
National Provider Directory
- Medicare enrollment (NPD)
- Yes
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| K5972 | TX | MD | Ophthalmology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Bim Optical LLC | Current | Accepting new patients | |
| Alexander P. Sudarshan MD PA | Ophthalmology | Current |
Accepting new patients |
| Errol O Grannum | Ophthalmology | Current |
Accepting new patients |
| Alexander P Sudarshan MD PA | Ophthalmology | Current |
Accepting new patients |
Locations
1058 E Los Ebanos Blvd
Brownsville, TX 78520
Phone (956) 541-4828
1910 S 1st St
Ste 400
McAllen, TX 78503
Phone (956) 346-2152
1315 E 6th St
Ste 5
Weslaco, TX 78596
Phone (956) 969-3893
Interoperability endpoints
- https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/
Specialties & licenses
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Ophthalmology Physician | 207W00000X | K5972 | TX | Yes |
Addresses
Primary practice location
1910 S 1St St
McAllen, TX 78503-1255
Mailing address
1910 S 1St St
McAllen, TX 78503-1255
Phone (956) 687-3937
Other providers in McAllen, TX
- Grace DME LLC.
- Gracia Hospice Care, LLC
- Jessica L Graham
- Brenda Denise Granados
- Fernanda Granados
- Tiffany Rose Gravador-Flores
- Greater Valley Pathology Group PA
- John Adam Green
- Sharon Strawn Greer
- Dulce Maria Griego
All providers in McAllen, TX · Ophthalmology Physician in Texas
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Record last updated by the provider on Jul 8, 2007. Information in NPPES is self-reported and not verified by CMS.
- NUCC Health Care Provider Taxonomy: specialty names.
- Medicare Fee-For-Service Public Provider Enrollment (CMS/PECOS): enrollments, PAC IDs and benefit reassignments.
- Order and Referring (CMS).
- Medicare Care Compare provider data (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.