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DR. KENNETH GRIER M.D.
NPI 1114235744
Family Medicine in Apple Valley, CA

Active since September 16, 2010PECOS EnrolledAccepts Medicare Assignment
18564 US HIGHWAY 18 STE 101, APPLE VALLEY, CA 92307(760) 242-7777 Get Directions Write a Review

NPPES record last updated: October 2, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 2, 2020, Aug 8, 2018 (2 updates tracked since 2018).

About Dr. Kenneth Grier M.d. NPPES

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

DR. KENNETH GRIER M.D. (NPI 1114235744) is an individual family medicine provider in Apple Valley, California, licensed in California (A150771) and active in the NPI registry since September 2010. He is enrolled in Medicare PECOS and is a graduate of Loma Linda University School Of Medicine (2010).

NPPES Registry Identity

NPI1114235744
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. KENNETH GRIERCredential: M.D.
Location Address18564 US HIGHWAY 18 STE 101Apple Valley, CA 92307-2320
Mailing Address12277 Apple Valley Rd # 195Apple Valley, CA 92308-1701
Phone(760) 242-7777
Sole ProprietorNo
Medical School CMSLoma Linda University School Of MedicineGraduated 2010
Enumeration DateSeptember 16, 2010
Last NPPES UpdateOctober 2, 20202 updates tracked since enumeration
NPPES CertifiedOctober 2, 2020
✔ NPI 1114235744 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Licenses✔ Licensed in CA · A150771✔ Licensed in HI · MD-16580
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
18564 US HIGHWAY 18 STE 101, Apple Valley, CA 92307
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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

Dr. Kenneth Grier M.d. 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 ID2769743160
PECOS Enrollment IDI20180227002776
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

2

Medicare enrollment records show Kenneth Grier reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Kenneth Grier MD Inc
Same address
Family Medicine
18564 US HIGHWAY 18 STE 101-102
Apple Valley, CA 92307
  • Reassigned Medicare billing, California enrollment
NPI 1972109551 (760) 475-9080
Choice Healthcare Associates, Inc.
Same address
Exclusive Provider Organization
18564 US HIGHWAY 18 # 103104
Apple Valley, CA 92307
  • Reassigned Medicare billing, California enrollment
  • 39 clinicians in this Medicare group
NPI 1194964361 (760) 242-9262

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 7

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 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.
174 services92 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.
161 services99 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
85 services85 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.
27 services27 patients
Telephone medical discussion with physician, 11-20 minutes 99442
This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.
26 services17 patients
Telephone medical discussion with physician, 5-10 minutes 99441
A telephone medical discussion with a physician is a brief, 5-10 minute call where you can discuss your health concerns. It's a convenient way to receive medical advice without needing to visit a clinic. It's important to prepare questions in advance to make the most of this time.
20 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92307 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
$91.88 typical visit price
range $59.60 – $179.42
Typical copayment $22.97 (range $14.90 – $44.85)
Most-billed visit code 99203
Established Patient
$104.64 typical visit price
range $19.37 – $146.42
Typical copayment $26.16 (range $4.84 – $36.60)
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.

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
1 supplier15 claims15 services$12.92 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier15 claims15 services$60.19 avg. paid by Medicare
Dynamic adjustable ankle extension/flexion device, includes soft interface material E1815
DME-Orthotic Devices · category DF000N
1 supplier11 claims11 services$99.89 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Kenneth Grier's NPI number?

The NPI number for Kenneth Grier is 1114235744. It was assigned to this individual provider in the NPPES registry on September 16, 2010.

Where is Kenneth Grier located?

Kenneth Grier practices at 18564 Us Highway 18 Ste 101, Apple Valley, CA 92307. The listed phone number is (760) 242-7777.

What is Kenneth Grier's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Kenneth Grier enrolled in Medicare?

Yes. Kenneth Grier 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.

Which organizations bill Medicare for Kenneth Grier's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kenneth Grier reassigns Medicare benefits to 2 organizations: Kenneth Grier MD Inc (Apple Valley, CA) and Choice Healthcare Associates, Inc. (Apple Valley, CA). 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 Kenneth Grier'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 Kenneth Grier was last updated on October 2, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.