MR. KHAI SHENG CHANG (MD) – Internal Medicine Physician, NPI 1881665222
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
12,368 INTERNAL MEDICINE in FL
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Provider Addresses for MR. KHAI SHENG CHANG (MD)
County Road 19A, Mount Dora, Lake County, Florida, 32757, United States
MOUNT DORA, FL 327576725
Phone: (352) 735-3755
Fax: (352) 735-3151
Type: Location
10250 SE 167TH PLACE RD UNIT 5
SUMMERFIELD, FL 344918682
Phone: (352) 307-9225
Fax: (352) 307-8442
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 75 Open Payments records for all available years, with a total value of $1,502.
Total Amount is formed as General ($1,502) + Research ($0) + Ownership ($0) = $1,502.
Last reported payment date: 2024-12-13 • Largest payer in this snapshot: Teva Pharmaceuticals USA, Inc. ($146).
Total Amount
$1,502
General + Research + Ownership
Payments
75
Total payment records
General Amount
$1,502
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-13
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2010-07-13
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 |
|---|---|---|---|---|
| I20100713000158 | 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 |
|---|---|---|---|---|
| 36415 | Insertion of needle into vein for collection of blood sample | 1,350 | 572 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 1,349 | 575 | $0 |
| 80053 | Blood test, comprehensive group of blood chemicals | 1,105 | 560 | $0 |
| 85025 | Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 1,100 | 552 | $0 |
| 80061 | Blood test, lipids (cholesterol and triglycerides) | 946 | 547 | $0 |
Insurance plans in this area (ZIP 32757)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | VA | |
| - | NY | |
| Nurse Practitioner | MI | |
| Family Practice | TX | |
| Physician Assistant | NC | |
| Internal Medicine, Geriatric Medicine | NC | |
| Qualified Speech Language Pathologist | OK | |
| Occupational Therapist In Private Practice | NC | |
| Internal Medicine | NC | |
| Internal Medicine | NC |
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