PROVIDER PROFILE · NPI 1629057393

Nagui AchamallahM.D.

PsychiatryModesto, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$13K

Peer benchmark

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

PRESCRIBING · PART D · 2024

Total Rx claims

118

Beneficiaries

—

Total drug cost

$2K

Distinct drugs

Brand share

14.4%

Top prescribed drugs

Sertraline Hcl35 claims

Trazodone Hcl20 claims

Duloxetine Hcl18 claims

Bupropion Hcl17 claims

Buspirone Hcl17 claims

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 Nagui Achamallah'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). 68 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Jonathan Posin Diagnostic Radiology · Walnut Creek, CA	62	107
Angelo Crudale Diagnostic Radiology · Walnut Creek, CA	45	67
Sunil Gandhi Diagnostic Radiology · Walnut Creek, CA	41	53
Kimberly Blumberg Diagnostic Radiology · Walnut Creek, CA	36	68
Amy Lai Diagnostic Radiology · New York, NY	34	48
Susan Cha Diagnostic Radiology · Walnut Creek, CA	29	37
Ronald Chan Diagnostic Radiology · Walnut Creek, CA	27	33
Joan Reynolds Diagnostic Radiology · Walnut Creek, CA	25	34
Owen Towery Psychiatry · Pleasant Hill, CA	24	47
Ira Finch Diagnostic Radiology · Walnut Creek, CA	23	44
Saurabh Patel Diagnostic Radiology · Walnut Creek, CA	22	31
David Woo Diagnostic Radiology · Walnut Creek, CA	22	33

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