MELISSA MAE LUN RAHRIG NP
NPI 1649712753
Nurse Practitioner - Adult Health in Westminster, CO

Q: What is Melissa Rahrig's NPI number?

The NPI number for Melissa Rahrig is 1649712753. It was assigned to this individual provider in the NPPES registry on November 7, 2016. The provider is also known as Melissa Mae Lun Shiozaki.

Q: What is Melissa Rahrig's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Q: When was this NPI record last updated?

The NPPES record for Melissa Rahrig was last updated on June 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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 November 07, 2016PECOS EnrolledAccepts Medicare Assignment

14300 ORCHARD PKWY, WESTMINSTER, CO 80023(720) 627-4840(720) 627-4841 Get Directions Write a Review

NPPES record last updated: June 18, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 7, 2025, Jul 21, 2022, May 29, 2017 and 1 more (4 updates tracked since 2016).

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About Melissa Mae Lun Rahrig Np NPPES

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

MELISSA MAE LUN RAHRIG NP (NPI 1649712753) is an individual adult health provider in Westminster, Colorado, licensed in Colorado (APN.1000635-NP) and active in the NPI registry since November 2016. She is enrolled in Medicare PECOS and is a graduate of Other (2016).

NPPES Registry Identity

NPI1649712753

Entity TypeIndividualFemale

Primary Taxonomy363LA2200X

Provider Legal NameMELISSA MAE LUN RAHRIGCredential: NP

Location Address14300 ORCHARD PKWYWestminster, CO 80023-9206

Mailing Address14300 Orchard PkwyWestminster, CO 80023-9206 · (720) 627-4840 · Fax (720) 627-4841

Phone(720) 627-4840

Fax(720) 627-4841

Sole ProprietorNo

Medical School CMSOtherGraduated 2016

Enumeration DateNovember 7, 2016

Last NPPES UpdateJune 18, 20264 updates tracked since enumeration

NPPES CertifiedJune 18, 2026

✔ NPI 1649712753 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LA2200X

License✔ Licensed in CO · APN.1000635-NP

14300 ORCHARD PKWY, Westminster, CO 80023

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Other Names 1

Former Name (1)Melissa Mae Lun Shiozaki

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

Melissa Mae Lun Rahrig Np 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 ID9537449178

PECOS Enrollment IDI20251028004892

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 Melissa Rahrig reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Catholic Health Initiatives Colorado

Same address

Neonatal-Perinatal Medicine

14300 ORCHARD PKWY
Westminster, CO 80023

Reassigned Medicare billing, Colorado enrollment
1,193 clinicians in this Medicare group

NPI 1053291849 (720) 627-3711

Halo Medical Group

762 mi

Diagnostic Radiology

74785 US HIGHWAY 111, SUITE 101
Indian Wells, CA 92210

Reassigned Medicare billing, California enrollment
58 clinicians in this Medicare group

NPI 1467506451 (760) 776-8989

Usc Care Medical Group, Inc

835 mi

General Practice

1520 SAN PABLO ST
Los Angeles, CA 90033

Reassigned Medicare billing, California enrollment
2,445 clinicians in this Medicare group

NPI 1902846306 (323) 442-5955

Cedars-Sinai Medical Center

843 mi

General Acute Care Hospital

8700 BEVERLY BLVD
Los Angeles, CA 90048

Reassigned Medicare billing, California enrollment
1,001 clinicians in this Medicare group

NPI 1639172372 (323) 866-8600

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 5

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 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.

107 services99 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.

66 services65 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

33 services33 patients

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.

12 services12 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.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80023 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

$89.43 typical visit price

range $58.06 – $174.82

Typical copayment $22.35 (range $14.51 – $43.70)

Most-billed visit code 99203

Established Patient

$102.03 typical visit price

range $18.88 – $142.79

Typical copayment $25.50 (range $4.72 – $35.69)

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. CRISTINA FERNANDEZ CONKLIN MD

Hospitalist