DR. WALTER WIN TUN ANG (M.D) – Internal Medicine Physician, NPI 1558575696
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
3,299 HOSPITALIST in CA
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Provider Addresses for DR. WALTER WIN TUN ANG (M.D)
2460 OLD MOULTRIE RD STE 1
ST AUGUSTINE, FL 320864198
Phone: (904) 293-0299
Type: Mailing
43839, 15th Street West, Lancaster, Los Angeles County, California, 93534, United States
LANCASTER, CA 935344756
Phone: (661) 945-5984
Type: Location
7007, Lancaster Road, Villa Nova, Lochearn, Baltimore County, Maryland, 21207, United States
LANCASTER, CA 935397007
Phone: (661) 945-5984
Type: Mailing
1500 BEVILLE RD STE 105
DAYTONA BEACH, FL 321145644
Phone: (386) 238-9217
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: 2015-02-05
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 |
|---|---|---|---|---|
| I20150205002138 | I | Hospitalist | FL | 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 |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 219 | 74 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 91 | 31 | $0 |
| 99238 | Hospital discharge day management, 30 minutes or less | 36 | 36 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 18 | 18 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 14 | 13 | $0 |
Insurance plans in this area (ZIP 32086)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | FL | |
| General Practice | FL | |
| General Practice | FL | |
| General Practice | FL | |
| Nurse Practitioner | FL | |
| Physician Assistant | FL | |
| Internal Medicine, Cardiovascular Disease (Cardiology) | FL | |
| Interventional Cardiology, Cardiovascular Disease (Cardiology) | FL | |
| Family Practice | FL | |
| Preventive Medicine, General Practice | FL |
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