What is William Gillespie's specialty?

William Gillespie (NPI 1538238118) is a Medicare-billing provider whose primary specialty is Psychiatry in Glendora, CA.

Where does William Gillespie practice?

William Gillespie practices in Glendora, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1538238118.

How much does Medicare pay William Gillespie?

William Gillespie (NPI 1538238118) received approximately $374K in total Medicare Part B payments, serving 1,248 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1538238118

William GillespieM.D.

PsychiatryGlendora, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

2,312

Unique beneficiaries

—

Total services

5,415

Distinct HCPCS

Medicare payment

$372K

Peer benchmark

Total Medicare services vs. 2,213 Psychiatry providers in CA — top quintile (cohort median 203).

PRESCRIBING · PART D · 2024

Total Rx claims

18,974

Beneficiaries

—

Total drug cost

$1.7M

Distinct drugs

Brand share

13.3%

Top prescribed drugs

Risperidone1,606 claims

Olanzapine1,353 claims

Divalproex Sodium1,330 claims

Escitalopram Oxalate1,245 claims

Trazodone Hcl1,243 claims

QUALITY · MIPS · 2024

Final MIPS score

75.0

Quality

0.0

Cost

53.1

Improvement activities

0.0

Promoting interop.

0.0

Payment adjustment

0.00%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$3K

Payment records

178

By payment type

Food and Beverage$3K

Education$55

Top paying entities

Food and Beverage$3K

Education$55

REFERRAL NETWORK

Where William Gillespie's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 59 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
SUCCESS HEALTHCARE 1 LLC	396	4,323
Martin Schwartz Diagnostic Radiology · Los Angeles, CA	370	3,608
Loraine Diego Family Practice · Los Angeles, CA	237	2,886
TRANS LIFE INC.	200	1,731
Caroline Sauer Psychologist, Clinical · Glendora, CA	194	10,253
Royalty Ambulance Services Inc. Ambulance Service Provider · Los Angeles, CA	165	1,463
CENTRAL CITY COMMUNITY HEALTH CENTER	112	601
Mehmet Demirozu Internal Medicine · Hawthorne, CA	83	1,248
Farshid Nejad Podiatry · Beverly Hills, CA	58	143
Michelle Chan Internal Medicine · San Gabriel, CA	54	1,230
SMITH, LEMUEL	52	543
Unilab Corporation Clinical Laboratory · West Hills, CA	51	437

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events