ANN KATHERINE JOHN (MD) – Anesthesiology Physician, NPI 1154532307
Anesthesiology Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
4,591 ANESTHESIOLOGY in TX
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Provider Addresses for ANN KATHERINE JOHN (MD)
North Mopac Expressway, Austin, Travis County, Texas, 78727, United States
AUSTIN, TX 787598862
Phone: (512) 343-2292
Fax: (512) 343-2745
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 3 Open Payments records for all available years, with a total value of $92.
Total Amount is formed as General ($92) + Research ($0) + Ownership ($0) = $92.
Last reported payment date: 2024-12-09 • Largest payer in this snapshot: Biosense Webster, Inc. ($73).
Total Amount
$92
General + Research + Ownership
Payments
3
Total payment records
General Amount
$92
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-09
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Biosense Webster, Inc. | $73 |
| CORDIS US CORP. | $19 |
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: 2009-06-17
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 |
|---|---|---|---|---|
| I20090617000514 | I | Anesthesiology | 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 |
|---|---|---|---|---|
| 36620 | Insertion of artery tube for blood sampling or infusion through skin | 29 | 29 | $0 |
| 00537 | Anesthesia for procedure to assess heart electrical activity | 24 | 24 | $0 |
| 76937 | Ultrasonic guidance for blood vessel access | 24 | 21 | $0 |
| 01922 | Anesthesia for x-ray or radiation therapy | 18 | 18 | $0 |
| 36556 | Insertion of non-tunneled central venous tube for infusion (5 years or older) | 16 | 16 | $0 |
Insurance plans in this area (ZIP 78759)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| ANESTHESIOLOGY | TX | 36556 | Insertion of central venous catheter for infusion, patient 5 years or older | 13 | 13 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Certified Registered Nurse Anesthetist (Crna) | TX | |
| A N E S T H E S I O L O G Y | TX | |
| Certified Registered Nurse Anesthetist (Crna) | MT | |
| - | FL | |
| A N E S T H E S I O L O G Y | TX | |
| Anesthesiology Assistant | WI | |
| Certified Registered Nurse Anesthetist (Crna) | KS | |
| Certified Registered Nurse Anesthetist (Crna) | IN | |
| - | TX | |
| - | TX |
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