JAMES H MERSEY (M.D.) – Endocrinology, Diabetes & Metabolism Physician, NPI 1669477683
Endocrinology, Diabetes & Metabolism Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
605 ENDOCRINOLOGY in FL
Provider Addresses for JAMES H MERSEY (M.D.)
1020 LAKE SUMTER LNDG
THE VILLAGES, FL 321622699
Phone: (352) 674-8905
Fax: (352) 674-8919
Type: Mailing
1400 N US HIGHWAY 441
SUITE 810
THE VILLAGES, FL 321598975
Phone: (352) 674-8700
Fax: (352) 674-8714
Type: Location
1400 N US Highway 441
Suite 810
The Villages, FL 321598975
Phone: (352) 674-8700
Fax: (352) 674-8714
Type: Location
1451 El Camino Real
The Villages, FL 321590041
Phone: (352) 751-8000
Type: Location
1667 WADING HERON WAY
THE VILLAGES, FL 321632147
Phone:
Type: Mailing
2955 BROWNWOOD BLVD
THE VILLAGES, FL 321632039
Phone: (352) 674-8700
Fax: (352) 674-8714
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 59 Open Payments records for all available years, with a total value of $2,810.
Total Amount is formed as General ($2,810) + Research ($0) + Ownership ($0) = $2,810.
Last reported payment date: 2024-12-10 • Largest payer in this snapshot: Amgen Inc. ($342).
Total Amount
$2,810
General + Research + Ownership
Payments
59
Total payment records
General Amount
$2,810
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-10
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Amgen Inc. | $342 |
| Abbott Laboratories | $330 |
| Novo Nordisk Inc | $194 |
| Esperion Therapeutics, Inc. | $177 |
| Lilly USA, LLC | $172 |
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: 2013-11-19
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20040721001703 | I | Internal Medicine | MD | TBD |
| I20131119000911 | I | Endocrinology | 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 |
|---|---|---|---|---|
| J0897 | Injection, denosumab, 1 mg | 2,700 | 45 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 475 | 181 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 378 | 337 | $0 |
| 76536 | Ultrasound scan of head and neck soft tissue | 299 | 294 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 176 | 123 | $0 |
Insurance plans in this area (ZIP 32162)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| U R O L O G Y | IL | |
| Family Practice | IL | |
| Internal Medicine | IL | |
| - | FL | |
| Family Practice | FL | |
| Internal Medicine | FL | |
| Nurse Practitioner | FL | |
| Family Practice | FL | |
| Qualified Audiologist | FL | |
| Nurse Practitioner | FL |
Reviews
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