SETH MICHAEL HOLLANDER (M.D.) – Allergy & Immunology Physician, NPI 1255451886
Allergy & Immunology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
13,290 INTERNAL MEDICINE in TX
Provider Addresses for SETH MICHAEL HOLLANDER (M.D.)
5656 Bee Caves Rd Ste G201
West Lake Hills, TX 787465236
Phone: (512) 732-2774
Type: Location
12801 Shops Pkwy Ste 400
Bee Caves, TX 787386446
Phone: (512) 732-2774
Type: Location
303 E Main St
Round Rock, TX 786645246
Phone: (512) 732-2774
Fax: (512) 899-8460
Type: Location
5625 EIGER RD
SUITE 200
AUSTIN, TX 787358982
Phone: (512) 892-7076
Fax: (512) 899-8460
Type: Mailing
11762 Jollyville Rd
Austin, TX 787593937
Phone: (512) 732-2774
Type: Location
6611 River Place Blvd Ste 100
Austin, TX 787301163
Phone: (512) 732-2774
Type: Location
3101 Highway 71 E Ste 210
Bastrop, TX 786025157
Phone: (512) 732-2774
Type: Location
303 E MAIN ST
ROUND ROCK, TX 786645246
Phone: (512) 732-2774
Fax: (512) 899-8460
Type: Mailing
5625 EIGER RD STE 160
AUSTIN, TX 787358980
Phone: (512) 732-2774
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 244 Open Payments records for all available years, with a total value of $6,391.
Total Amount is formed as General ($6,391) + Research ($0) + Ownership ($0) = $6,391.
Last reported payment date: 2024-12-20 • Largest payer in this snapshot: GENZYME CORPORATION ($1,966).
Total Amount
$6,391
General + Research + Ownership
Payments
244
Total payment records
General Amount
$6,391
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-20
Latest reported date
Top Companies
Largest payers in this snapshot
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2011-09-07
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20110907000905 | I | Allergy/Immunology | TX | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| J1306 | Injection, inclisiran, 1 mg | 5,396 | 17 | $0 |
| 95165 | Professional service for preparation and provision of 1 or more antigens | 2,515 | 84 | $0 |
| 95004 | Test for allergy using allergenic extract | 2,005 | 26 | $0 |
| 95117 | Professional service for multiple injections of allergen | 752 | 116 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 120 | 95 | $0 |
Insurance plans in this area (ZIP 78746)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| A L L E R G Y/ I M M U N O L O G Y | TX | |
| A L L E R G Y/ I M M U N O L O G Y | MO | |
| A L L E R G Y/ I M M U N O L O G Y | TX | |
| Nurse Practitioner | TX | |
| - | TX | |
| A L L E R G Y/ I M M U N O L O G Y | TX | |
| - | TX | |
| A L L E R G Y/ I M M U N O L O G Y | SD | |
| Allergy/Immunology, Internal Medicine | NC | |
| A L L E R G Y/ I M M U N O L O G Y | TX |
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