DIANA THIARA (MD) – Internal Medicine Physician, NPI 1043697071
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
8,828 INTERNAL MEDICINE in IL
Provider Addresses for DIANA THIARA (MD)
1545 DIVISADERO ST
SAN FRANCISCO, CA 941433400
Phone:
Type: Mailing
1030 CALVIN RD
ROCHELLE, IL 610681108
Phone: (815) 751-1461
Type: Location
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 $263.
Total Amount is formed as General ($263) + Research ($0) + Ownership ($0) = $263.
Last reported payment date: 2024-09-11 • Largest payer in this snapshot: HeartFlow, Inc. ($263).
Total Amount
$263
General + Research + Ownership
Payments
3
Total payment records
General Amount
$263
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-11
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| HeartFlow, Inc. | $263 |
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: 2018-09-05
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 |
|---|---|---|---|---|
| I20180905003830 | I | Internal Medicine | CA | 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 |
|---|---|---|---|---|
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 173 | 77 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 137 | 118 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 12 | 11 | $0 |
Insurance plans in this area (ZIP 94143)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| O P H T H A L M O L O G Y | CA | |
| Hospitalist, Internal Medicine | CA | |
| - | CA | |
| - | CA | |
| Physician Assistant | CA | |
| - | CA | |
| - | ID | |
| Diagnostic Radiology | CA | |
| - | MD | |
| Orthopedic Surgery | CA |
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