WILLIAM A RIECK JR. DO
NPI 1669992418
Physical Medicine & Rehabilitation - Sports Medicine in Sacramento, CA

Active since June 22, 2017PECOS EnrolledAccepts Medicare Assignment
98.33/100
CMS Quality Rating
3301 C ST STE 1600, SACRAMENTO, CA 95816(916) 734-6805 Get Directions Write a Review

NPPES record last updated: June 27, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Sep 19, 2022, Sep 12, 2022, Sep 9, 2022 and 3 more (6 updates tracked since 2017).

About William A Rieck Jr. Do NPPES

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

WILLIAM A RIECK JR. DO (NPI 1669992418) is an individual sports medicine provider in Sacramento, California, licensed in California (20A25378) and active in the NPI registry since June 2017. He is enrolled in Medicare PECOS, is affiliated with Ecu Health Medical Center, and is a graduate of Other (2017).

NPPES Registry Identity

NPI1669992418
Entity TypeIndividualMale
Primary Taxonomy2081S0010X
Provider Legal NameWILLIAM A RIECK JR.Credential: DO
Location Address3301 C ST STE 1600Sacramento, CA 95816-3384
Mailing Address3301 C St Ste 1600Sacramento, CA 95816-3384
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateJune 22, 2017
Last NPPES UpdateJune 27, 20266 updates tracked since enumeration
NPPES CertifiedJune 27, 2026
NPI 1669992418 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPhysical Medicine & Rehabilitation · Sports MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2081S0010X
License Licensed in CA · 20A25378
Definition
A physician who specializes in Sports Medicine is responsible for continuous care related to the enhancement of health and fitness as well as the prevention of injury and illness. The specialist possesses knowledge and experience in the promotion of wellness and the prevention of injury from many areas of medicine such as exercise physiology, biomechanics, nutrition, psychology, physical rehabilitation, epidemiology, physical evaluation and injuries. It is the goal of a Sports Medicine specialist to improve the healthcare of the individual engaged in physical exercise.
Also ListedPhysical Medicine & RehabilitationTaxonomy 208100000X · License 2022-01128 (NC), 20A25378 (CA)
3301 C ST STE 1600, Sacramento, CA 95816

Accepted 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

William A Rieck Jr. 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 ID1759764160
PECOS Enrollment IDI20220818000106
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 16

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
356 services133 patients
Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301
Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.
308 services44 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.
103 services70 patients
Aspiration and/or injection of fluid large joint using ultrasound guidance 20611
This procedure involves using ultrasound technology to accurately locate a large joint, usually the knee or shoulder. A needle is then inserted to either extract fluid (aspiration) or inject medication. The ultrasound helps ensure precision and safety.
58 services29 patients
Needle measurement of electrical activity in arm or leg muscles, complete study 95886
This procedure, known as an electromyography (EMG), involves inserting a small needle into your arm or leg muscles to measure their electrical activity. This complete study helps diagnose issues with nerves or muscles, providing valuable data for your treatment plan.
57 services38 patients
Needle measurement of electrical activity in arm or leg muscles, complete study 95886
This procedure, known as an electromyography (EMG), involves inserting a small needle into your arm or leg muscles to measure their electrical activity. This complete study helps diagnose issues with nerves or muscles, providing valuable data for your treatment plan.
38 services25 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Ecu Health Medical Center

Acute Care Hospitals · Greenville, NC
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number340040
Location2100 Stantonsburg RdGreenville, NC 27834 · Pitt County
Emergency services Birthing friendly

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.

98.33/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality82.93
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.

Orthopaedic Surgery (Foot and Ankle Surgery)
3301 C ST STE 1600
SACRAMENTO, CA 95816
Physical Medicine & Rehabilitation (Sports Medicine)
3301 C ST STE 1600
SACRAMENTO, CA 95816
Physical Medicine & Rehabilitation (Sports Medicine)
3301 C ST STE 1600
SACRAMENTO, CA 95816
Physical Medicine & Rehabilitation (Sports Medicine)
3301 C ST STE 1600
SACRAMENTO, CA 95816
Orthopaedic Surgery (Sports Medicine)
3301 C ST STE 1600
SACRAMENTO, CA 95816
Orthopaedic Surgery (Sports Medicine)
3301 C ST STE 1600
SACRAMENTO, CA 95816
Student in an Organized Health Care Education/Training Program
3301 C ST STE 1600
SACRAMENTO, CA 95816
Physical Medicine & Rehabilitation
3301 C ST STE 1600
SACRAMENTO, CA 95816

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 William Rieck's NPI number?

The NPI number for William Rieck is 1669992418. It was assigned to this individual provider in the NPPES registry on June 22, 2017.

Where is William Rieck located?

William Rieck practices at 3301 C St Ste 1600, Sacramento, CA 95816. The listed phone number is (916) 734-6805.

What is William Rieck's specialty?

The primary specialty registered for this NPI is Physical Medicine & Rehabilitation, specializing in Sports Medicine, with taxonomy code 2081S0010X.

Is William Rieck enrolled in Medicare?

Yes. William Rieck 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 William Rieck accept?

Health plans from Blue Cross and Blue Shield of NC list William Rieck 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.

Is William Rieck affiliated with any hospitals?

According to CMS data, William Rieck is affiliated with Ecu Health Medical Center.

When was this NPI record last updated?

The NPPES record for William Rieck was last updated on June 27, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.