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- 1001 S Perry St, Suite: 101B, Castle Rock, CO 80104
About Randal Williams
Randal E. Williams, P.A.-C is a physician assistant — medical based in Castle Rock, CO. Medicare claims data shows Randal provided 266 services to 260 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. The provider's National Provider Identifier (NPI) is 1811966385.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (303) 688-2228
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
1001 S PERRY ST SUITE: 101B
Castle Rock, CO 80104
Conditions and Services Within This Provider's Scope
Within Physician Assistant - Medical generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Digestive
Most searched conditions
Allergies
Blood
Bone and joint
Digestive health
Ear, Nose & Throat
Endocrine
Eye Care
Foot and ankle
General Health
Hair and scalp
Headache and brain
Heart & Circulation
Hormones
Infections
Injury
Men's Health
Mental Health
Metabolic
Nerve conditions
Neurology
Pain
Respiratory
Sexual Health
Skin
Skin cancer
Skin conditions
Sleep
Women's Health
Procedures & services
Diagnostic Tests
- COVID-19 Rapid Test
- Rapid Flu Swab
- Urine Pregnancy Test
- Mono Rapid Test
- Rapid strep testing
- TB Skin Test
- Urine Drug Screen
Exams
- School and camp physical
- DOT Physical Exam
- Medicare annual wellness visit
- Pre-Employment Physical
Most searched procedures
Allergies
- Allergy Testing and Shots
Counseling
Dermatology
Ear, Nose & Throat
- Earwax removal
- Removal of Foreign Object from Ear or Nose
Evaluations
General Care
Heart & Circulation
- EKG
Heart health
- Heart monitor
Hormones
Injections
Injury Care
- Burn Treatment
- Splinting and temporary casting
Lab tests
Mental Health
Metabolic
- Weight Loss Medication Consultation
Minor surgery
Minor Surgery
- Incision and drainage of an abscess
- Ingrown toenail removal
- Minor laceration repair
- Superficial foreign-body removal
Pain Management
Prevention
Respiratory
Screening
- Blood Pressure Check and Monitoring
- STI and STD Screening
Skin procedures
Treatments
Virtual care
Women's Health
Women's health
Procedures Most Often Billed to Medicare
266 services · 260 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| X-ray of chest, 2 views | Imaging | 71046 |
11 | Less often than most peers in Physician Assistant — Medical |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
12 | Less often than most peers in Physician Assistant — Medical |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
81 | As often as other peers in Physician Assistant — Medical |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
51 | More often than most peers in Physician Assistant — Medical |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
41 | Less often than most peers in Physician Assistant — Medical |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
27 | As often as other peers in Physician Assistant — Medical |
| Automated urinalysis test | Lab test | 81003 |
24 | As often as other peers in Physician Assistant — Medical |
| Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen | Lab test | 87635 |
19 | As often as other peers in Physician Assistant — Medical |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other physician assistants at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 31 related providers in 4 groups
Other physician assistants in Castle Rock 7
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2000 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs X-ray of chest, 2 views 8
Providers in CO who bill this service to Medicare most often.
Common questions
What is Randal E. Williams's specialty?
Randal E. Williams is a physician assistant in Castle Rock, CO. That is the designation recorded for this NPI in the federal registry, where it is listed as “Physician Assistant — Medical”.
NPI registry
Where can I find Randal E. Williams?
Randal E. Williams is listed at 1001 S Perry St Suite: 101B, Castle Rock, CO 80104. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Randal E. Williams?
The number on file is (303) 688-2228. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Randal E. Williams?
Randal E. Williams's National Provider Identifier is 1811966385. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Randal E. Williams's education?
Randal E. Williams attended Other, graduating in 2000. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Randal E. Williams have?
Randal E. Williams has 26 years experience. Calculated from a graduation year of 2000, reported in the CMS National Downloadable File.
CMS public data
What is Randal E. Williams known for?
According to Medicare billing data, Randal E. Williams performs imaging including x-ray of chest, 2 views; provides treatments such as injection of drug or substance under skin or into muscle, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Randal E. Williams's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Randal E. Williams. If this is you, claiming it is free.
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