JAMES H MERSEY M.D.
NPI 1669477683
Internal Medicine - Endocrinology, Diabetes & Metabolism in The Villages, FL

Active since June 16, 2005PECOS EnrolledAccepts Medicare Assignment
93.88/100
CMS Quality Rating
2955 BROWNWOOD BLVD, THE VILLAGES, FL 32163(352) 674-8700(352) 674-8714 Get Directions Write a Review

NPPES record last updated: August 18, 2025. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About James H Mersey M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JAMES H MERSEY M.D. (NPI 1669477683) is an individual endocrinology, diabetes & metabolism provider in The Villages, Florida, licensed in Florida (ME116216) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Johns Hopkins University School Of Medicine (1972).

NPPES Registry Identity

NPI1669477683
Entity TypeIndividualMale
Primary Taxonomy207RE0101X
Provider Legal NameJAMES H MERSEYCredential: M.D.
Location Address2955 BROWNWOOD BLVDThe Villages, FL 32163-2039
Mailing Address1667 Wading Heron WayThe Villages, FL 32163-2147
Fax(352) 674-8714
Sole ProprietorNo
Medical School CMSJohns Hopkins University School Of MedicineGraduated 1972
Enumeration DateJune 16, 2005
Last NPPES UpdateAugust 18, 2025
NPPES CertifiedAugust 18, 2025
NPI 1669477683 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
Licenses Licensed in FL · ME116216 Licensed in MD · D19329
Definition

An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.

2955 BROWNWOOD BLVD, The Villages, FL 32163

Secondary Practice Locations 2

Location 11400 N US Highway 441, Suite 810The Villages, FL 32159-8975 · Phone (352) 674-8700 · Fax (352) 674-8714
Location 21451 El Camino RealThe Villages, FL 32159-0041 · Phone (352) 751-8000

Other Identifiers 1

Medicaid053771300MD

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

James H Mersey M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4486551116
PECOS Enrollment IDI20131119000911
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 18

Services this provider delivered to Medicare fee-for-service patients, from the 2024 & 2026 CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Injection, denosumab, 1 mg J0897
Denosumab is a medication given via injection to strengthen your bones. It works by slowing down the cells that break down bone, improving bone density and reducing the risk of fractures. It's often used for osteoporosis treatment.
6,120 services64 patients
Established patient office or other outpatient visit, 30-39 minutes 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
681 services476 patients
Follow-up hospital inpatient care per day, typically 25 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
479 services158 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
313 services206 patients
Ultrasound scan of head and neck soft tissue 76536
An ultrasound scan of the head and neck soft tissue is a non-invasive procedure that uses sound waves to create images of the soft tissues in these areas. It helps identify any abnormalities or issues, such as tumors, cysts, or infections. It's painless and doesn't involve radiation.
271 services266 patients
Hemoglobin a1c level 83036
Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.
239 services183 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 32163 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$130.04 typical visit price
range $56.00 – $171.84
Typical copayment $32.51 (range $14.00 – $42.96)
Most-billed visit code 99204
Established Patient
$99.16 typical visit price
range $17.57 – $139.16
Typical copayment $24.79 (range $4.39 – $34.79)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

93.88/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality88.87
Promoting Interoperability100
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims 10

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Supplies for maintenance of insulin infusion catheter, per week A4224
DME-Other DME · category DE017N
16 suppliers140 claims1,902 services$17.90 avg. paid by Medicare
Supplies for external insulin infusion pump, syringe type cartridge, sterile, each A4225
DME-Other DME · category DE017N
16 suppliers140 claims4,428 services$2.35 avg. paid by Medicare
Supply allowance for adjunctive continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service A4238
DME-Medical/Surgical Supplies · category DA000N
4 suppliers26 claims26 services$172.27 avg. paid by Medicare
Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
34 suppliers161 claims716 services$6.25 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
18 suppliers53 claims95 services$1.07 avg. paid by Medicare
For diabetics only, fitting (including follow-up), custom preparation and supply of off-the-shelf depth-inlay shoe manufactured to accommodate multi-density insert(s), per shoe A5500
DME-Orthotic Devices · category DF000N
3 suppliers11 claims22 services$61.51 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

MIPS Quality Measures

The following performance measures were reported under the Merit-Based Incentive Payment System (MIPS) and Qualified Clinical Data Registry (QCDR) quality measures program.

Quality Measure Performance Number of Patients
Breast Cancer Screening 59% 258
Cervical Cancer Screening 47% 79
Closing the Referral Loop: Receipt of Specialist Report 53% 57
Colorectal Cancer Screening 56% 477
Controlling High Blood Pressure 62% 539
Diabetes: Eye Exam 16% 291
Diabetes: Hemoglobin A1c (HbA1c) Poor Control (>9%) 7% "Inverse Quality Measure"
This is an inverse quality measure, a lower rate means the provider is rated better.
291
Documentation of Current Medications in the Medical Record 94% 1093
Falls: Screening for Future Fall Risk 27% 802
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention 19% 874
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention 20% 874
Statin Therapy for the Prevention and Treatment of Cardiovascular Disease 87% 627
Use of High-Risk Medications in Older Adults 1% "Inverse Quality Measure"
This is an inverse quality measure, a lower rate means the provider is rated better.
799
Use of High-Risk Medications in Older Adults 9% "Inverse Quality Measure"
This is an inverse quality measure, a lower rate means the provider is rated better.
820
Use of High-Risk Medications in Older Adults 9% "Inverse Quality Measure"
This is an inverse quality measure, a lower rate means the provider is rated better.
820

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Ophthalmology
2955 BROWNWOOD BLVD
THE VILLAGES, FL 32163
Orthopaedic Surgery
2955 BROWNWOOD BLVD
THE VILLAGES, FL 32163
Internal Medicine (Cardiovascular Disease)
2955 BROWNWOOD BLVD
THE VILLAGES, FL 32163
Internal Medicine (Rheumatology)
2955 BROWNWOOD BLVD
THE VILLAGES, FL 32163
Podiatrist
2955 BROWNWOOD BLVD
THE VILLAGES, FL 32163
Internal Medicine (Cardiovascular Disease)
2955 BROWNWOOD BLVD
THE VILLAGES, FL 32163
Internal Medicine (Medical Oncology)
2955 BROWNWOOD BLVD, 107
THE VILLAGES, FL 32163
Psychiatry & Neurology (Neurology)
2955 BROWNWOOD BLVD
THE VILLAGES, FL 32163

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1669477683, enumerated as an "individual" on June 16, 2005.

The provider is located at 2955 BROWNWOOD BLVD THE VILLAGES, FL 32163 and the phone number is (352) 674-8700.

Internal Medicine with taxonomy code 207RE0101X and a focus in Endocrinology, Diabetes & Metabolism.

The provider might be accepting Accepts: Florida Blue (BlueCross BlueShield FL), Florida. Please consult your insurance carrier or call the provider to verify.