Nagui Achamallah, M.D.
Psychiatry Physician · Modesto, CA
Nagui Achamallah, M.D. is a psychiatry physician with a practice address in Modesto, California, and NPI 1629057393, issued on Jan 11, 2006. Check the license (California A48988, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nagui Achamallah
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A48988 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1601 Cummins Dr Ste D, Modesto, CA 95358
- Phone
- (510) 900-3125
- Enumerated
- Jan 11, 2006
- Entity
- Type 1 · individual
Also registered at 1601 Cummins Dr Ste D
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alex Chandler, M.D.Psychiatry Physician1497013288
- Jaimini Chauhan-James, M.D.Psychiatry Physician1700152618
- Jessy JosephStudent in an Organized Health Care Education/Training Program1457768764
- Carolyn Lanam, M.D.Emergency Medicine Physician1942664552
- Anthony Mazzarulli, MDNeurology Physician1801090006
- Amanda McCormick, PA-CPhysician Assistant1689123010
Verify Nagui Achamallah in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A48988Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
82% fewer Medicare Part D claims than the average psychiatry physician in 2024
181 Medicare Part D claims for 35 beneficiaries, against an average of 1,010 among the 32,287 providers of this specialty who prescribed in Part D.
Most prescribed
- Sertraline Hcl35 claims
- Trazodone Hcl20 claims
- Duloxetine Hcl18 claims
- Bupropion Xl17 claims
- Buspirone Hcl17 claims
- Hydroxyzine Hcl11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
2 hospital and facility affiliations
- Alliance For Wellness IncPanorama City, CA
- Cep America - Psychiatry PCWalnut Creek, CA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Psychiatry Physician providers in California
There are 7,890 psychiatry physician records in California.
Other psychiatry physician records in California
- Nancy Aaen, MDNapa, CA1609816669
- Criselda Abad-Santos, M.D.Woodland Hills, CA1760461826
- Mekabiz Abaian, MDSan Bernardino, CA1891090163
- Kafia Abbasi, M.D.French Camp, CA1215114897
- Michele Abbasi, M.D.Westlake Village, CA1093940330
- Zohaib AbbasiMartinez, CA1013392224
- Chester Abbott, M.D.Pasadena, CA1053442186
- Nancy Abdelmalak, M.D.Elk Grove, CA1912137498
- Ezzat Abdelmalek, M.DDana Point, CA1992828826
- Ahmed AbdelrazekSacramento, CA1669092128
Common questions
What is Nagui Achamallah, M.D.'s NPI number?
Nagui Achamallah, M.D.'s National Provider Identifier (NPI) is 1629057393, issued on Jan 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Nagui Achamallah, M.D. located?
The NPPES record lists a practice address at 1601 Cummins Dr Ste D, Modesto, CA, 95358. Phone: (510) 900-3125. Providers update this record themselves, so call before visiting.
How can I verify Nagui Achamallah, M.D.'s license?
NPPES lists California license number A48988, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Nagui Achamallah, M.D. prescribe under Medicare Part D?
In 2024, Nagui Achamallah, M.D. had 181 Medicare Part D claims for 35 beneficiaries; the average among psychiatry physician prescribers was 1,010. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.