DR. NAGUI ACHAMALLAH M.D.
NPI 1629057393
Psychiatry & Neurology - Psychiatry in Modesto, CA

Active since January 11, 2006PECOS EnrolledAccepts Medicare Assignment
1601 CUMMINS DR STE D, MODESTO, CA 95358(510) 900-3125 Get Directions Write a Review

NPPES record last updated: December 13, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 13, 2021, Aug 12, 2021, Dec 6, 2018 and 2 more (5 updates tracked since 2017).

About Dr. Nagui Achamallah M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. NAGUI ACHAMALLAH M.D. (NPI 1629057393) is an individual psychiatry provider in Modesto, California, licensed in California (A48988) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1977).

NPPES Registry Identity

NPI1629057393
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. NAGUI ACHAMALLAHCredential: M.D.
Location Address1601 CUMMINS DR STE DModesto, CA 95358-6411
Mailing Address1601 Cummins Dr Ste DModesto, CA 95358-6411 · (510) 900-3125
Sole ProprietorNo
Medical School CMSOtherGraduated 1977
Enumeration DateJanuary 11, 2006
Last NPPES UpdateDecember 13, 20215 updates tracked since enumeration
NPPES CertifiedAugust 12, 2021
NPI 1629057393 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License Licensed in CA · A48988
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
1601 CUMMINS DR STE D, Modesto, CA 95358

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Nagui Achamallah M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7719989334
PECOS Enrollment IDI20070212000444
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
64 services64 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
35 services29 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95358 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$176.60 typical visit price
range $58.87 – $176.60
Typical copayment $44.15 (range $14.71 – $44.15)
Most-billed visit code 99205
Established Patient
$73.16 typical visit price
range $19.28 – $144.60
Typical copayment $18.29 (range $4.82 – $36.15)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 11

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Psychiatry & Neurology (Psychiatry)
1601 CUMMINS DR STE D
MODESTO, CA 95358
Psychiatry & Neurology (Psychiatry)
1601 CUMMINS DR STE D
MODESTO, CA 95358
Psychiatry & Neurology (Psychiatry)
1601 CUMMINS DR STE D
MODESTO, CA 95358
Anesthesiology
1601 CUMMINS DR STE D
MODESTO, CA 95358
Physician Assistant
1601 CUMMINS DR STE D
MODESTO, CA 95358
Psychiatry & Neurology (Psychiatry)
1601 CUMMINS DR STE D
MODESTO, CA 95358
Psychiatry & Neurology (Psychiatry)
1601 CUMMINS DR STE D
MODESTO, CA 95358
Psychiatry & Neurology (Psychiatry)
1601 CUMMINS DR STE D
MODESTO, CA 95358

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Nagui Achamallah's NPI number?

The NPI number for Nagui Achamallah is 1629057393. It was assigned to this individual provider in the NPPES registry on January 11, 2006.

Where is Nagui Achamallah located?

Nagui Achamallah practices at 1601 Cummins Dr Ste D, Modesto, CA 95358. The listed phone number is (510) 900-3125.

What is Nagui Achamallah's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Nagui Achamallah enrolled in Medicare?

Yes. Nagui Achamallah is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Nagui Achamallah accept?

Health plans from Providence Health Plan list Nagui Achamallah as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Nagui Achamallah was last updated on December 13, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.