SIRISHA CHALASANI (MD) – Internal Medicine Physician, NPI 1508849068
Internal Medicine Physician
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Profile Insights
NPPES metrics only — not quality of care.
12,368 INTERNAL MEDICINE in FL
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Provider Addresses for SIRISHA CHALASANI (MD)
Market Square, Zephyrhills, Pasco County, Florida, 33542, United States
ZEPHYRHILLS, FL 335427505
Phone: (813) 778-0425
Fax: (813) 377-1683
Type: Location
38135, Market Square, Zephyrhills, Pasco County, Florida, 33542, United States
ZEPHYRHILLS, FL 335427505
Phone: (813) 528-4975
Type: Mailing
PO BOX 640573
BEVERLY HILLS, FL 344640573
Phone: (352) 746-1558
Fax: (352) 746-3838
Type: Mailing
20021 SW 111TH PL
DUNNELLON, FL 344324786
Phone: (352) 465-1199
Fax: (352) 465-1207
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 32 Open Payments records for all available years, with a total value of $647.
Total Amount is formed as General ($647) + Research ($0) + Ownership ($0) = $647.
Last reported payment date: 2024-11-20 • Largest payer in this snapshot: GlaxoSmithKline, LLC. ($212).
Total Amount
$647
General + Research + Ownership
Payments
32
Total payment records
General Amount
$647
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-20
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| GlaxoSmithKline, LLC. | $212 |
| AstraZeneca Pharmaceuticals LP | $77 |
| PFIZER INC. | $68 |
| Lilly USA, LLC | $67 |
| Amgen Inc. | $48 |
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: 2009-01-09
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 |
|---|---|---|---|---|
| I20090109000660 | I | Internal Medicine | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 305 | 184 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 170 | 127 | $0 |
| 99211 | Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional | 144 | 23 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 73 | 73 | $0 |
| 90686 | Influenza vaccine, quadrivalent, preservative free, 0.5 ml dosage | 39 | 39 | $0 |
Insurance plans in this area (ZIP 33542)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| INTERNAL MEDICINE | FL | 85610 | Blood test, clotting time | 195 | 28 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | FL | |
| Family Practice | FL | |
| Internal Medicine | FL | |
| Family Practice | FL | |
| Internal Medicine | FL | |
| - | FL | |
| Family Practice | FL | |
| Internal Medicine | FL | |
| Physician Assistant | FL | |
| Internal Medicine, Cardiovascular Disease (Cardiology) | FL |
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