JOHN A SEIBEL MD
NPI 1730182148
Internal Medicine - Endocrinology, Diabetes & Metabolism in Las Vegas, NV

Q: What is John Seibel's NPI number?

The NPI number for John Seibel is 1730182148. It was assigned to this individual provider in the NPPES registry on May 31, 2005.

Q: What is John Seibel's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Q: When was this NPI record last updated?

The NPPES record for John Seibel was last updated on September 13, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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 May 31, 2005PECOS Enrolled

4750 W OAKEY BLVD, STE 4C, LAS VEGAS, NV 89102(702) 877-5306 Get Directions Write a Review

NPPES record last updated: September 13, 2018. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 13, 2018, Apr 10, 2017, Sep 23, 2016 (3 updates tracked since 2016).

On this page

About John A Seibel Md NPPES

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

JOHN A SEIBEL MD (NPI 1730182148) is an individual endocrinology, diabetes & metabolism provider in Las Vegas, Nevada, licensed in Nevada (3951) and active in the NPI registry since May 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1730182148

Entity TypeIndividualMale

Primary Taxonomy207RE0101X

Provider Legal NameJOHN A SEIBELCredential: MD

Location Address4750 W OAKEY BLVD, STE 4CLas Vegas, NV 89102-1535

Mailing AddressPo Box 35380Las Vegas, NV 89133-5380 · (702) 877-5199

Phone(702) 877-5306

Sole ProprietorNo

Enumeration DateMay 31, 2005

Last NPPES UpdateSeptember 13, 20183 updates tracked since enumeration

✔ NPI 1730182148 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 NV · 3951✔ Licensed in NM · 72225

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.

4750 W OAKEY BLVD, Las Vegas, NV 89102

Open in Google Maps ↗

Other Identifiers 2

Medicaid1730182148NV

Medicaid24919NM

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

John A Seibel Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 John Seibel reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Southwest Medical Associates, Inc

1.8 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

4.6 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 89102 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

$131.25 typical visit price

range $57.07 – $173.24

Typical copayment $32.81 (range $14.26 – $43.31)

Most-billed visit code 99204

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 20

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

KELLY SIU

Physician Assistant

4750 W OAKEY BLVD
LAS VEGAS, NV 89102

Clark County (702) 877-5199

GERICA ALVARADO MD

Family Medicine

4750 W OAKEY BLVD
LAS VEGAS, NV 89102

Clark County (702) 877-5199

DR. NILESH GOKAL MD

Family Medicine

4750 W OAKEY BLVD
LAS VEGAS, NV 89102

Clark County (702) 877-5199

KRISTINA M KNUTSON R.N.

Registered Nurse (Diabetes Educator)

4750 W OAKEY BLVD, SUITE 4C
LAS VEGAS, NV 89102

Clark County (702) 877-5306

DR. JESSICA ANN KNIRK MD

Psychiatry & Neurology (Neurology)

4750 W OAKEY BLVD, STE 3A
LAS VEGAS, NV 89102

Clark County (702) 669-5944

MS. NACHELL TENISE ESCOBEDO CNM

Nurse Practitioner (Psychiatric/Mental Health)

4750 W OAKEY BLVD
LAS VEGAS, NV 89102

Clark County (702) 877-5199

MICHELE RAMIREZ WIJANGCO FNP-C

Nurse Practitioner (Family)

4750 W OAKEY BLVD
LAS VEGAS, NV 89102

Clark County (702) 877-5199

ANMY VU DPM

Podiatrist

4750 W OAKEY BLVD
LAS VEGAS, NV 89102

Clark County (702) 877-5199

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 John Seibel's NPI number?

The NPI number for John Seibel is 1730182148. It was assigned to this individual provider in the NPPES registry on May 31, 2005.

Where is John Seibel located?

John Seibel practices at 4750 W Oakey Blvd Ste 4C, Las Vegas, NV 89102. The listed phone number is (702) 877-5306.

What is John Seibel's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is John Seibel enrolled in Medicare?

Yes. John Seibel is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for John Seibel's services?

According to the CMS Revalidation Reassignment List (October 2026 release), John Seibel reassigns Medicare benefits to 2 organizations: Southwest Medical Associates, Inc (Las Vegas, NV) and Optum Medical Group II Rhodes P C (Las Vegas, NV). Each 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 John Seibel's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for John Seibel was last updated on September 13, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.