PROVIDER PROFILE · NPI 1285782268

Christian GastelumMD

EndocrinologyLos Angeles, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

487

Unique beneficiaries

—

Total services

1,078

Distinct HCPCS

Medicare payment

$69K

Peer benchmark

Total Medicare services vs. 633 Endocrinology providers in CA — above median (cohort median 1,164).

PRESCRIBING · PART D · 2024

Total Rx claims

3,402

Beneficiaries

—

Total drug cost

$1.7M

Distinct drugs

Brand share

60.3%

Top prescribed drugs

Levothyroxine Sodium474 claims

Semaglutide385 claims

Tirzepatide325 claims

Metformin Hcl173 claims

Metformin Hcl154 claims

QUALITY · MIPS · 2024

Final MIPS score

78.6

Quality

58.7

Cost

75.1

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

0.15%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$40K

Payment records

132

By payment type

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$34K

Food and Beverage$3K

Travel and Lodging$2K

Consulting Fee$1K

Top paying entities

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$34K

Food and Beverage$3K

Travel and Lodging$2K

Consulting Fee$1K

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (1)

CCN 050169

Hospital

REFERRAL NETWORK

Where Christian Gastelum'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). 23 inbound referrers · 38 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
PIH HEALTH WHITTIER HOSPITAL	151	547
Unilab Corporation Clinical Laboratory · West Hills, CA	100	390
Daniel Saket Diagnostic Radiology · Whittier, CA	42	98
Zareh Ounjian Diagnostic Radiology · Whittier, CA	40	135
Sudhaker Nayak Cardiology · Whittier, CA	37	148
Christina Lee Diagnostic Radiology · Whittier, CA	35	96
Alireza Jafari Cardiology · Whittier, CA	29	77
Robert Kleinman Diagnostic Radiology · Whittier, CA	27	68
Kevin Huang Nephrology · Whittier, CA	27	76
Nanette Kovash Diagnostic Radiology · Sacramento, CA	27	56
Richard Parks Interventional Cardiology · Whittier, CA	25	49
Paresh Patel Internal Medicine · Whittier, CA	24	50

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
PIH HEALTH WHITTIER HOSPITAL	98	332
Unilab Corporation Clinical Laboratory · West Hills, CA	96	428
Jagdish Patel Diagnostic Radiology · Whittier, CA	51	149
Zareh Ounjian Diagnostic Radiology · Whittier, CA	29	76
Brian Yue Diagnostic Radiology · Whittier, CA	28	93
Shahriare Nasser-Moaddeli Nephrology · Whittier, CA	28	110
Christina Lee Diagnostic Radiology · Whittier, CA	25	45
Jennifer Imparato Nephrology · Whittier, CA	25	67
Daniel Saket Diagnostic Radiology · Whittier, CA	24	50
Lilia Vazquez Physician Assistant · Whittier, CA	23	78
Sudhaker Nayak Cardiology · Whittier, CA	23	59
PIH HEALTH WHITTIER HOSPITAL	22	39

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