GREGORY DESIMONE DO
NPI 1851785687
Family Medicine in Las Vegas, NV

Q: What is Gregory Desimone's NPI number?

The NPI number for Gregory Desimone is 1851785687. It was assigned to this individual provider in the NPPES registry on March 18, 2015.

Q: What is Gregory Desimone's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Gregory Desimone was last updated on April 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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 March 18, 2015PECOS EnrolledAccepts Medicare Assignment

4919 W CRAIG RD, LAS VEGAS, NV 89130(725) 220-8706 Get Directions Write a Review

NPPES record last updated: April 14, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Apr 14, 2026, Sep 25, 2019 (2 updates tracked since 2019).

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About Gregory Desimone Do NPPES

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

GREGORY DESIMONE DO (NPI 1851785687) is an individual family medicine provider in Las Vegas, Nevada, licensed in Nevada (DO2589) and active in the NPI registry since March 2015. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1851785687

Entity TypeIndividualMale

Primary Taxonomy207Q00000X

Provider Legal NameGREGORY DESIMONECredential: DO

Location Address4919 W CRAIG RDLas Vegas, NV 89130-2730

Mailing Address6101 Blue Lagoon Dr Ste 200Miami, FL 33126-3168 · (305) 500-2000

Phone(725) 220-8706

Sole ProprietorNo

Medical School CMSOtherGraduated 2016

Enumeration DateMarch 18, 2015

Last NPPES UpdateApril 14, 20262 updates tracked since enumeration

NPPES CertifiedApril 14, 2026

✔ NPI 1851785687 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in NV · DO2589

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

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

4919 W CRAIG RD, Las Vegas, NV 89130

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Secondary Practice Locations 2

Location 15850 E Still CirMesa, AZ 85206-3618 · Phone (480) 219-6000

Location 27061 Grand Montecito PkwyLas Vegas, NV 89149-0287 · Phone (702) 877-5199

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

Gregory Desimone Do 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 ID4688966328

PECOS Enrollment IDI20190708002335

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 Reassignments

Medicare enrollment records show Gregory Desimone reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Centerwell Senior Primary Care (nv) PC

4.3 mi

Internal Medicine

2335 E LAKE MEAD BLVD
North Las Vegas, NV 89030

Reassigned Medicare billing, Nevada enrollment
Medicare enrollment name: Centerwell Senior Primary Care Nv P C
84 clinicians in this Medicare group

NPI 1376322537 (702) 832-4562

Southwest Medical Associates, Inc

8.2 mi

Internal Medicine

888 S RANCHO DR
Las Vegas, NV 89106

Reassigned Medicare billing, Nevada enrollment
406 clinicians in this Medicare group

NPI 1659346005 (702) 877-8600

Optum Medical Group II Rhodes P C

10 mi

Internal Medicine

2704 N TENAYA WAY
Las Vegas, NV 89128

Reassigned Medicare billing, Nevada enrollment
608 clinicians in this Medicare group

NPI 1790329407 (702) 877-5199

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 7

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 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.

75 services63 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.

68 services51 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

25 services25 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

21 services20 patients

Influenza vaccine, inactivated 90653

The Influenza vaccine, inactivated, is a shot given to protect against the flu. It contains killed virus particles that help your body build immunity to the flu. It's recommended annually to keep your protection up-to-date. It's safe for ages 6 months and up.

18 services18 patients

Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 90677

The Pneumococcal Conjugate Vaccine (PCV20) is a shot given to protect against 20 types of bacteria that can cause serious infections like pneumonia and meningitis. It's administered through a muscle, usually in the arm. It's important for overall health.

13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 89130 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

$88.51 typical visit price

range $57.07 – $173.24

Typical copayment $22.12 (range $14.26 – $43.31)

Most-billed visit code 99203

Established Patient

$100.60 typical visit price

range $18.27 – $140.96

Typical copayment $25.15 (range $4.56 – $35.24)

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 6

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

CENTERWELL SENIOR PRIMARY CARE (NV) PC

Internal Medicine