Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. KAR SHUN CONSTANT MAK MD
NPI 1255080685
Internal Medicine in Clermont, FL

Q: What is Kar Shun Constant Mak's NPI number?

The NPI number for Kar Shun Constant Mak is 1255080685. It was assigned to this individual provider in the NPPES registry on March 22, 2022.

Q: What is Kar Shun Constant Mak's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Active since March 22, 2022PECOS Enrolled

1900 DON WICKHAM DR, CLERMONT, FL 34711(352) 394-4071(352) 536-8841 Get Directions Write a Review

NPPES record last updated: August 14, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Aug 14, 2026, Jul 17, 2026 (2 updates tracked since 2026).

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About Dr. Kar Shun Constant Mak Md NPPES

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

DR. KAR SHUN CONSTANT MAK MD (NPI 1255080685) is an individual internal medicine provider in Clermont, Florida, licensed in Florida (ME173559) and active in the NPI registry since March 2022. He is enrolled in Medicare PECOS, maintains a secondary practice location in Kissimmee, and is a graduate of Other (2022).

NPPES Registry Identity

NPI1255080685

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameDR. KAR SHUN CONSTANT MAKCredential: MD

Location Address1900 DON WICKHAM DRClermont, FL 34711-1979

Mailing Address1900 Don Wickham Dr, Mp SlhClermont, FL 34711-1979 · (352) 394-4071 · Fax (352) 536-8841

Phone(352) 394-4071

Fax(352) 536-8841

Sole ProprietorNo

Medical School CMSOtherGraduated 2022

Enumeration DateMarch 22, 2022

Last NPPES UpdateAugust 14, 20262 updates tracked since enumeration

NPPES CertifiedAugust 14, 2026

✔ NPI 1255080685 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in FL · ME173559

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

1900 DON WICKHAM DR, Clermont, FL 34711

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Secondary Practice Location 1

Location 1720 W Oak St Ste 201Kissimmee, FL 34741-4998 · Phone (407) 518-2772

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Kar Shun Constant Mak Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6901388131

PECOS Enrollment IDI20260305003218

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 34711 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.

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.

DR. APRIL LOUISE OXFORD MD

Internal Medicine