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MR. RANDAL E WILLIAMS P.A.-C
NPI 1811966385
Physician Assistant - Medical in Castle Rock, CO

Active since March 16, 2006PECOS EnrolledAccepts Medicare Assignment
97.58/100
CMS Quality Rating
1001 S PERRY ST, SUITE: 101B, CASTLE ROCK, CO 80104(303) 688-2228(303) 663-0640 Get Directions Write a Review

NPPES record last updated: April 24, 2014. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Mr. Randal E Williams P.a.-c NPPES

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

MR. RANDAL E WILLIAMS P.A.-C (NPI 1811966385) is an individual medical provider in Castle Rock, Colorado, licensed in Colorado (PA.0001279) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS and is a graduate of Other (2000).

NPPES Registry Identity

NPI1811966385
Entity TypeIndividualMale
Primary Taxonomy363AM0700X
Provider Legal NameMR. RANDAL E WILLIAMSCredential: P.A.-C
Location Address1001 S PERRY ST, SUITE: 101BCastle Rock, CO 80104-2668
Mailing Address1001 S Perry St, Suite: 101bCastle Rock, CO 80104-2668 · (303) 688-2228 · Fax (303) 663-0640
Phone(303) 688-2228
Fax(303) 663-0640
Sole ProprietorNo
Medical School CMSOtherGraduated 2000
Enumeration DateMarch 16, 2006
Last NPPES UpdateApril 24, 2014
✔ NPI 1811966385 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician Assistant · MedicalPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363AM0700X
Licenses✔ Licensed in CO · PA.0001279✔ Licensed in KS · 15-00965✔ Licensed in NM · PA2010-0073
1001 S PERRY ST, Castle Rock, CO 80104
Open in Google Maps ↗

Other Identifiers 3

Medicaid71577289NM
Medicaid95256237CO
Medicaid200362810AKS

Accepted Insurance

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mr. Randal E Williams P.a.-c 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 ID6507804846
PECOS Enrollment IDI20050419000149
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.

Areas of Expertise CMS Part B claims 8

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.
81 services78 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.
51 services51 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.
41 services40 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.
27 services27 patients
Automated urinalysis test 81003
An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.
24 services22 patients
Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen 87635
This is a lab test that detects the presence of COVID-19 in your body. It uses a technique to amplify the virus's genetic material, either DNA or RNA, making it easier to identify. A positive result indicates an active infection.
19 services19 patients

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.

97.58/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality86.53
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 9

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

CASTLE ROCK DENTAL GROUP, P.C.
Dentist (General Practice)
1001 S PERRY ST, SUITE 104A
CASTLE ROCK, CO 80104
Douglas County (303) 663-6030
MICHAEL D. STOWELL
Physician Assistant
1001 S PERRY ST
CASTLE ROCK, CO 80104
Douglas County (303) 688-2228
DR. KELSY RAYL PT, DPT
Physical Therapist
1001 S PERRY ST
CASTLE ROCK, CO 80104
Douglas County (720) 463-4752
MRS. PAIGE KILOHIWAI SCHULTZ LCSW
Social Worker (Clinical)
1001 S PERRY ST, SUITE 113
CASTLE ROCK, CO 80104
Douglas County (720) 660-5877
DR. WILLIAM YUNZHOU CHU M.D.
Pediatrics
1001 S PERRY ST, SUITE 101B
CASTLE ROCK, CO 80104
Douglas County (303) 688-2228
INNER BALANCE COUNSELING SERVICES, LLC
Counselor (Professional)
1001 S PERRY ST
CASTLE ROCK, CO 80104
Douglas County (720) 485-3178
JACOB HUGH PERRY
Physician Assistant
1001 S PERRY ST, SUITE 101B
CASTLE ROCK, CO 80104
Douglas County (303) 688-2228
RITA E THIEME M.D.
Pediatrics (Adolescent Medicine)
1001 S PERRY ST, SUITE 101B
CASTLE ROCK, CO 80104
Douglas County (303) 688-2228

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 Randal Williams's NPI number?

The NPI number for Randal Williams is 1811966385. It was assigned to this individual provider in the NPPES registry on March 16, 2006.

Where is Randal Williams located?

Randal Williams practices at 1001 S Perry St Suite: 101B, Castle Rock, CO 80104. The listed phone number is (303) 688-2228.

What is Randal Williams's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Medical, with taxonomy code 363AM0700X.

Is Randal Williams enrolled in Medicare?

Yes. Randal Williams 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.

What insurance does Randal Williams accept?

Health plans from UnitedHealthcare list Randal Williams 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 Randal Williams was last updated on April 24, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.