PROVIDER PROFILE · NPI 1821127770

Gregory SpencerM.D.

OphthalmologyOxnard, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,338

Unique beneficiaries

—

Total services

2,138

Distinct HCPCS

Medicare payment

$295K

Peer benchmark

Total Medicare services vs. 2,144 Ophthalmology providers in CA — above median (cohort median 1,859).

PRESCRIBING · PART D · 2024

Total Rx claims

658

Beneficiaries

—

Total drug cost

$84K

Distinct drugs

Brand share

50.8%

Top prescribed drugs

Latanoprost119 claims

Besifloxacin Hcl98 claims

Timolol Maleate81 claims

Loteprednol Etabonate54 claims

Tobramycin/Dexamethasone44 claims

QUALITY · MIPS · 2024

Final MIPS score

22.9

Quality

0.0

Cost

76.5

Improvement activities

0.0

Promoting interop.

0.0

Payment adjustment

-6.25%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$39

Payment records

By payment type

Food and Beverage$39

Top paying entities

Food and Beverage$39

REFERRAL NETWORK

Where Gregory Spencer'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). 37 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Spencer Eye Surgery & Laser Center, Llc Ambulatory Surgical Center · Camarillo, CA	252	511
Unilab Corporation Clinical Laboratory · West Hills, CA	240	593
COMMUNITY MEMORIAL HEALTH SYSTEM	84	169
Alireza Katouzian Pain Management · Camarillo, CA	64	104
DIGNITY HEALTH	60	113
Kent Swanson Anesthesiology · Oxnard, CA	58	111
Mark Harlacher Anesthesiology · Oxnard, CA	45	64
DIGNITY HEALTH	31	47
Scott Zager Cardiology · Oxnard, CA	30	69
David Schmidt Cardiology · Oxnard, CA	23	53
Tejal Patel Anesthesiology · Oxnard, CA	21	28
Jeffrey Allan Internal Medicine · Camarillo, CA	21	55

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