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M SERAJI MD LLC
NPI 1043611767
Psychiatry & Neurology - Psychiatry in Saint Louis, MO

Active since September 12, 2014
1040 N MASON RD STE 201, SAINT LOUIS, MO 63141(314) 985-8035(314) 985-8034 Get Directions Write a Review

NPPES record last updated: August 7, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About M Seraji Md Llc NPPES

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

M SERAJI MD LLC (NPI 1043611767) is a healthcare organization registered as a psychiatry in Saint Louis, Missouri and active in the NPI registry since September 2014. The organization lists Mehrzad Seraji, M.d., as its authorized official.

NPPES Registry Identity

NPI1043611767
Entity TypeOrganization
Primary Taxonomy2084P0800X
Legal Business NameM SERAJI MD LLC
Location Address1040 N MASON RD STE 201Saint Louis, MO 63141-6366
Mailing Address1040 N Mason Rd Ste 201Saint Louis, MO 63141-6366 · (314) 985-8035 · Fax (314) 985-8034
Phone(314) 985-8035
Fax(314) 985-8034
Organization SubpartNo
Authorized OfficialMehrzad SerajiM.d. · (314) 985-8035
Enumeration DateSeptember 12, 2014
Last NPPES UpdateAugust 7, 2020
NPPES CertifiedAugust 7, 2020
✔ NPI 1043611767 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
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.
1040 N MASON RD STE 201, Saint Louis, MO 63141
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

M Seraji Md Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

3

Medicare enrollment records show 3 clinicians reassign Medicare billing to M Seraji MD LLC, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 3 within 10 miles. They are listed nearest first.

Clinicians, nearest first (3)

Mehrzad Seraji, M.D.
Psychiatry
NPI 1942539085
1040 N MASON RD STE 201
Saint Louis, MO 63141
(314) 985-8035
✔ PECOS✔ Accepts MedicareSame address
Stephanie Faulkingham, DNP
Nurse Practitioner
NPI 1285508184
1040 N MASON RD STE 201
Saint Louis, MO 63141
(314) 985-8035
✔ PECOS✔ Accepts MedicareSame address
Treacy Williams, PMHNP
Nurse Practitioner
NPI 1477184299
3009 N BALLAS RD DEPT PSYCHIATRY, STE 141A
Saint Louis, MO 63131
(314) 286-1700
✔ PECOS✔ Accepts Medicare3.0 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 M Seraji MD LLC's NPI number?

The NPI number for M Seraji MD LLC is 1043611767. It was assigned to this organization in the NPPES registry on September 12, 2014.

Where is M Seraji MD LLC located?

M Seraji MD LLC is located at 1040 N Mason Rd Ste 201, Saint Louis, MO 63141. The listed phone number is (314) 985-8035.

What is M Seraji MD LLC's specialty?

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

Is M Seraji MD LLC enrolled in Medicare?

Yes. M Seraji MD LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through M Seraji MD LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians reassign their Medicare billing to M Seraji MD LLC, in Nurse Practitioner and Psychiatry. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 1 practice at this address and 3 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for M Seraji MD LLC was last updated on August 7, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.