ISAAC PEREZ M.D.
NPI 1962400937
Dermatology in Flower Mound, TX

Q: What is Isaac Perez's NPI number?

The NPI number for Isaac Perez is 1962400937. It was assigned to this individual provider in the NPPES registry on July 13, 2005.

Q: What is Isaac Perez's specialty?

The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.

Q: When was this NPI record last updated?

The NPPES record for Isaac Perez was last updated on November 4, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since July 13, 2005PECOS EnrolledAccepts Medicare Assignment

0/100

CMS Quality Rating

3821 LONG PRAIRIE RD, 100, FLOWER MOUND, TX 75028(972) 221-2784(972) 420-0499 Get Directions Write a Review

NPPES record last updated: November 4, 2015. Verified against the NPPES registry weekly; last sync: November 01, 2026.

On this page

About Isaac Perez M.d. NPPES

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

ISAAC PEREZ M.D. (NPI 1962400937) is an individual dermatology provider in Flower Mound, Texas, licensed in Texas (K3823) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS and is a graduate of University Of Puerto Rico School Of Medicine (1990).

NPPES Registry Identity

NPI1962400937

Entity TypeIndividualMale

Primary Taxonomy207N00000X

Provider Legal NameISAAC PEREZCredential: M.D.

Location Address3821 LONG PRAIRIE RD, 100Flower Mound, TX 75028

Mailing Address3821 Long Prairie Rd, 100Flower Mound, TX 75028 · (972) 221-2784 · Fax (972) 420-0499

Phone(972) 221-2784

Fax(972) 420-0499

Sole ProprietorNo

Medical School CMSUniversity Of Puerto Rico School Of MedicineGraduated 1990

Enumeration DateJuly 13, 2005

Last NPPES UpdateNovember 4, 2015

✔ NPI 1962400937 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians

Taxonomy Code207N00000X

License✔ Licensed in TX · K3823

Definition

A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.

3821 LONG PRAIRIE RD, Flower Mound, TX 75028

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Other Identifiers 2

Medicare ID-Type Unspecified8A8283TX

Medicare UPING39224

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Isaac Perez 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 ID1759387814

PECOS Enrollment IDI20100916001173

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.

Medicare Billing Reassignment

Medicare enrollment records show Isaac Perez reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Flower Mound Dermatology

Same address

Dermatology

3821 LONG PRAIRIE RD, SUITE 100
Flower Mound, TX 75028

Reassigned Medicare billing, Texas enrollment

NPI 1407950009 (972) 221-2784

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 16

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

Aminolevulinic acid hcl for topical administration, 10% gel, 10 mg J7345

Aminolevulinic acid hcl is a topical gel used to treat certain skin conditions. It works by making affected skin cells more sensitive to light, which is then used to destroy these cells. The gel is applied by a healthcare professional.

2,802 services14 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

872 services566 patients

Destruction of precancer skin growth, 2-14 growths 17003

This procedure involves removing 2-14 precancerous skin growths. The growths are treated to prevent them from potentially developing into skin cancer. The process is safe, with minimal discomfort, and promotes healthier skin.

701 services141 patients

Destruction of skin growth, 1-14 growths 17110

"Destruction of skin growth" refers to a procedure where 1-14 abnormal skin growths are removed. This is done using methods such as freezing, burning, or laser therapy. It helps prevent the growth from causing discomfort or turning into a more serious condition.

366 services285 patients

Destruction of precancer skin growth, 1 growth 17000

"Destruction of precancer skin growth" is a procedure that eliminates a single precancerous skin growth. This is done to prevent it from developing into skin cancer. The growth may be removed using various methods such as cryotherapy (freezing), laser therapy, or topical medications.

263 services203 patients

New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more 99202

This service involves an initial visit to the doctor's office or other outpatient setting. It typically lasts between 15-29 minutes. The doctor will review your medical history, conduct a physical examination, and discuss your health concerns. It's a chance to establish your health baseline and address any immediate medical issues.

178 services178 patients

Biopsy of related skin growth, first growth 11102

A biopsy of a skin growth involves taking a small sample of the growth to examine it under a microscope. This helps determine if the growth is harmful. The procedure is typically quick, with minimal discomfort. It's a crucial step in ensuring your skin's health.

172 services158 patients

Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm 12032

This procedure involves the repair of a wound between 2.6-7.5 cm located on the scalp, underarms, trunk, arms, or legs. The process includes cleaning, debridement (removal of damaged tissue), and suturing (stitching) of the wound to promote healing.

66 services57 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

55 services45 patients

Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301

Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.

53 services23 patients

Removal of cancer skin growth of body, arms, or legs, 1.1-2.0 cm 11602

This procedure involves the surgical removal of a cancerous skin growth on the body, arms, or legs. The growth is between 1.1 and 2.0 cm in size. The goal is to eliminate cancer cells and prevent them from spreading to other parts of the body.

52 services44 patients

Biopsy of related skin growth, each additional growth 11103

A biopsy of related skin growth is a procedure where a small piece of skin growth is removed for testing. If additional growths are identified, they may also be biopsied. This helps in diagnosing skin conditions and planning appropriate treatment.

39 services31 patients

Injection into skin growth, 1-7 growths 11900

This procedure involves injecting medication into 1-7 skin growths. The medication helps to reduce the size of the growths or completely eliminate them. It's a simple, quick, and usually painless process performed by a medical professional.

30 services20 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

30 services30 patients

Application of light with debridement to destroy precancer skin growth 96574

This procedure involves applying a special light source to the skin after removing dead tissue (debridement). The light helps destroy precancerous growths, preventing them from developing into skin cancer. It's a safe and effective method to keep your skin healthy.

15 services14 patients

Intermediate repair of wound of neck, hands, feet, or genitals, 2.6-7.5 cm 12042

This is a procedure to mend a moderate wound between 2.6-7.5 cm on your neck, hands, or feet. It involves cleaning the wound, removing any damaged tissue, and stitching it back together to promote healing and minimize scarring.

12 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 75028 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

$84.92 typical visit price

range $54.84 – $166.88

Typical copayment $21.23 (range $13.71 – $41.72)

Most-billed visit code 99203

Established Patient

$68.55 typical visit price

range $17.52 – $136.11

Typical copayment $17.13 (range $4.38 – $34.02)

Most-billed visit code 99213

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.

0/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Individually scored

Quality

Improvement Activities

Other Providers at the Same Location NPPES 2

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

FLOWER MOUND DERMATOLOGY

Dermatology

3821 LONG PRAIRIE RD, SUITE 100
FLOWER MOUND, TX 75028

Denton County (972) 221-2784

MR. RAY C VAUGHN P.A.

Dermatology

3821 LONG PRAIRIE RD, SUITE 100
FLOWER MOUND, TX 75028

Denton County (972) 221-2784

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Isaac Perez's NPI number?

The NPI number for Isaac Perez is 1962400937. It was assigned to this individual provider in the NPPES registry on July 13, 2005.

Where is Isaac Perez located?

Isaac Perez practices at 3821 Long Prairie Rd 100, Flower Mound, TX 75028. The listed phone number is (972) 221-2784.

What is Isaac Perez's specialty?

The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.

Is Isaac Perez enrolled in Medicare?

Yes. Isaac Perez is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Isaac Perez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Isaac Perez reassigns Medicare benefits to Flower Mound Dermatology (Flower Mound, TX). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Isaac Perez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Isaac Perez accept?

Health plans from UnitedHealthcare list Isaac Perez as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Isaac Perez was last updated on November 4, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.