JONATHAN XIAN (MD) – Internal Medicine Physician, NPI 1073967592
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,186 PULMONARY DISEASE in TX
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Provider Addresses for JONATHAN XIAN (MD)
6431, Fannin Street, Texas Medical Center, Houston, Harris County, Texas, 77030, United States
SUITE MSB 1.134
HOUSTON, TX 770301501
Phone: (713) 500-6500
Type: Mailing
PO BOX 4439
HOUSTON, TX 772104439
Phone: (713) 792-2991
Type: Mailing
1515 HOLCOMBE BLVD
HOUSTON, TX 770304000
Phone: (713) 792-6161
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2020-10-29
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 |
|---|---|---|---|---|
| I20201029001222 | I | Pulmonary Disease | 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 |
|---|---|---|---|---|
| 99291 | Critical care, first 30-74 minutes | 110 | 107 | $0 |
| 76937 | Ultrasonic guidance for blood vessel access | 35 | 29 | $0 |
| 31500 | Emergent insertion of breathing tube into windpipe using an endoscope | 21 | 21 | $0 |
| 36556 | Insertion of non-tunneled central venous tube for infusion (5 years or older) | 20 | 20 | $0 |
| 36620 | Insertion of artery tube for blood sampling or infusion through skin | 15 | 15 | $0 |
Insurance plans in this area (ZIP 77030)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Pulmonary Disease | TX | |
| Pulmonary Disease, Critical Care (Intensivists), Internal Medicine | TX | |
| Critical Care (Intensivists), Internal Medicine | MO | |
| Internal Medicine, Critical Care (Intensivists) | TX | |
| Pulmonary Disease, Critical Care (Intensivists) | TX | |
| Internal Medicine, Critical Care (Intensivists), Nephrology | TX |
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