MARIA ISABEL MACIAS (M.D.) – Internal Medicine Physician, NPI 1689029258
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
239 SLEEP MEDICINE in TX
Provider Addresses for MARIA ISABEL MACIAS (M.D.)
4800 ALBERTA AVE
EL PASO, TX 799052709
Phone:
Type: Mailing
2311 N MESA ST STE E
EL PASO, TX 799023575
Phone: (915) 533-8499
Fax: (915) 544-4929
Type: Mailing
7430 N MESA ST
EL PASO, TX 799123504
Phone: (915) 779-7378
Fax: (915) 779-2822
Type: Location
4305 N Mesa St Ste B
El Paso, TX 799021124
Phone: (915) 779-7378
Fax: (915) 779-2822
Type: Location
2000 Lomaland Dr
El Paso, TX 799352213
Phone: (915) 779-7378
Fax: (915) 779-2822
Type: Location
2311 N Mesa St Ste E
El Paso, TX 799023575
Phone: (915) 533-8499
Fax: (915) 544-4929
Type: Location
4758 Loma Del Sur Dr Ste B
El Paso, TX 799343597
Phone: (915) 533-8499
Fax: (915) 544-4929
Type: Location
North Mesa Street, Downtown Historic District, El Paso, El Paso County, Texas, 79901, United States
EL PASO, TX 799021124
Phone: (915) 779-7378
Fax: (915) 779-2822
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 16 Open Payments records for all available years, with a total value of $880.
Total Amount is formed as General ($880) + Research ($0) + Ownership ($0) = $880.
Last reported payment date: 2024-10-22 • Largest payer in this snapshot: Inspire Medical Systems, Inc. ($594).
Total Amount
$880
General + Research + Ownership
Payments
16
Total payment records
General Amount
$880
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-22
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Inspire Medical Systems, Inc. | $594 |
| HARMONY BIOSCIENCES LLC | $139 |
| ZOLL Respicardia, Inc. | $127 |
| Avadel CNS Pharmaceuticals, LLC | $20 |
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: 2020-03-16
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 |
|---|---|---|---|---|
| I20200316001431 | I | Sleep Medicine | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 255 | 155 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 81 | 61 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 52 | 52 | $0 |
| 95811 | Sleep study in sleep lab with continuous airway pressure (6 years or older) | 36 | 32 | $0 |
| 99442 | Telephone medical discussion with physician, 11-20 minutes | 36 | 35 | $0 |
Insurance plans in this area (ZIP 79905)
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