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PROVIDER PROFILE · NPI 1225329733

Joan ChapmanD.O.

PRACTICESGH REHAB INCSee all providers at this practice →
Internal MedicinePalmdale, CAI
CROSS-REFERENCE

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FACILITY AFFILIATIONS

Hospital & Facility Affiliations (1)

CCN 050204
Hospital
PRESCRIBING · PART D · 2024
No data available for this provider in 2024.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
130
Unique beneficiaries
—
Total services
136
Distinct HCPCS
3
Medicare payment
$19K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 10,499 Internal Medicine providers in CA — below median (cohort median 531).
QUALITY · MIPS · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where Joan Chapman'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). 11 inbound referrers · 33 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Pramod Kadambi
Cardiology · Lancaster, CA
2039
Wanes Barsemian
Hospitalist · Los Angeles, CA
20204
NPI 11847870201952
Sameh Gadallah
Cardiology · Lancaster, CA
1850
Romik Zadorian
Emergency Medicine · Encino, CA
1634
ANTELOPE VALLEY HEALTH CARE DISTRICT1575
Inpamani Arul
Pathology · Palmdale, CA
1437
Bassel Hadaya
Nephrology · Lancaster, CA
1454
Jehangir Yeganeh
Interventional Cardiology · Lancaster, CA
1324
Ahmereen Khan
Internal Medicine · Covina, CA
1218
Kanwaljit Gill
Cardiology · Palmdale, CA
1126
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
LANCASTER HOSPITAL CORPORATION99220
Eduardo Molinet
Diagnostic Radiology · Los Angeles, CA
59206
Sharon Meiselman
Diagnostic Radiology · Los Angeles, CA
56204
American Medical Response Of Southern California
Ambulance Service Provider · Lancaster, CA
42116
Harmandeep Gill
Diagnostic Radiology · Lancaster, CA
37148
Wanes Barsemian
Hospitalist · Los Angeles, CA
34164
Jehangir Yeganeh
Interventional Cardiology · Lancaster, CA
2351
Mehdi Shahpoury Arani
Family Practice · Tarzana, CA
22161
Taher Katouzian
Hospitalist · Palmdale, CA
22138
Sameh Gadallah
Cardiology · Lancaster, CA
2146
Ranjiv Choudhary
Cardiology · Palmdale, CA
2152
Ambarish Bhat
Diagnostic Radiology · Springfield, MO
2058
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.