WILLIAM DAVID GLASSER MSN, PMHNP-BC
NPI 1730500620
Nurse Practitioner - Psychiatric/Mental Health in Upland, CA

Active since December 19, 2013PECOS EnrolledAccepts Medicare Assignment
954 W FOOTHILL BLVD, UPLAND, CA 91786(909) 946-4222 Get Directions Write a Review

NPPES record last updated: June 29, 2020. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About William David Glasser Msn, Pmhnp-bc NPPES

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

WILLIAM DAVID GLASSER MSN, PMHNP-BC (NPI 1730500620) is an individual psychiatric/mental health provider in Upland, California, licensed in California (95003691) and active in the NPI registry since December 2013. He is enrolled in Medicare PECOS, maintains a secondary practice location in Chehalis, and is a graduate of Other (2015).

NPPES Registry Identity

NPI1730500620
Entity TypeIndividualMale
Primary Taxonomy363LP0808X
Provider Legal NameWILLIAM DAVID GLASSERCredential: MSN, PMHNP-BC
Location Address954 W FOOTHILL BLVDUpland, CA 91786-3782
Mailing Address553 Wayland CtClaremont, CA 91711-5001 · (714) 598-7038
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateDecember 19, 2013
Last NPPES UpdateJune 29, 2020
NPPES CertifiedJune 29, 2020
NPI 1730500620 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
Licenses Licensed in CA · 95003691 Licensed in WA · AP61024010
954 W FOOTHILL BLVD, Upland, CA 91786

Secondary Practice Location 1

Location 157 W Main St Ste 260Chehalis, WA 98532-4815 · Phone (360) 795-5957

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 David Glasser Msn, Pmhnp-bc 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 ID1254623382
PECOS Enrollment IDI20160711002427
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

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.
325 services54 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91786 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.

Other Providers at the Same Location NPPES 10

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

Acupuncturist
954 W FOOTHILL BLVD, #B
UPLAND, CA 91786
Pharmacist
954 W FOOTHILL BLVD
UPLAND, CA 91786
Nurse Practitioner (Psychiatric/Mental Health)
954 W FOOTHILL BLVD
UPLAND, CA 91786
Psychiatry & Neurology (Psychiatry)
954 W FOOTHILL BLVD, SUITE A
UPLAND, CA 91786
Pharmacy (Community/Retail Pharmacy)
954 W FOOTHILL BLVD, SUITE #6D
UPLAND, CA 91786
Orthopaedic Surgery
954 W FOOTHILL BLVD, SUITE B
UPLAND, CA 91786
Nurse Practitioner (Psychiatric/Mental Health)
954 W FOOTHILL BLVD, SUITE A
UPLAND, CA 91786
Psychologist (Clinical)
954 W FOOTHILL BLVD, SUITE A
UPLAND, CA 91786

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 Glasser's NPI number?

The NPI number for William Glasser is 1730500620. It was assigned to this individual provider in the NPPES registry on December 19, 2013.

Where is William Glasser located?

William Glasser practices at 954 W Foothill Blvd, Upland, CA 91786. The listed phone number is (909) 946-4222.

What is William Glasser's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is William Glasser enrolled in Medicare?

Yes. William Glasser 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 Glasser accept?

Health plans from Providence Health Plan list William Glasser 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 William Glasser was last updated on June 29, 2020. NPI Profile syncs with the weekly NPPES data releases published by CMS.