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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. KATHERINE MARY MULLERSMAN MD
NPI 1821625146
Psychiatry & Neurology - Child & Adolescent Psychiatry in Fresno, CA

Active since March 25, 2020PECOS Enrolled
2719 N AIR FRESNO DR, FRESNO, CA 93727(559) 600-8918(559) 600-7684 Get Directions Write a Review

NPPES record last updated: September 14, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 14, 2026, Nov 3, 2023, Mar 25, 2020 (3 updates tracked since 2020).

About Dr. Katherine Mary Mullersman Md NPPES

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

DR. KATHERINE MARY MULLERSMAN MD (NPI 1821625146) is an individual child & adolescent psychiatry provider in Fresno, California, licensed in California (A198915) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1821625146
Entity TypeIndividualFemale
Primary Taxonomy2084P0804X
Provider Legal NameDR. KATHERINE MARY MULLERSMANCredential: MD
Location Address2719 N AIR FRESNO DRFresno, CA 93727-1547
Mailing Address2625 E Divisadero StFresno, CA 93721-1431 · (559) 443-2682 · Fax (559) 443-2681
Phone(559) 600-8918
Fax(559) 600-7684
Sole ProprietorNo
Enumeration DateMarch 25, 2020
Last NPPES UpdateSeptember 14, 20263 updates tracked since enumeration
NPPES CertifiedSeptember 14, 2026
✔ NPI 1821625146 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · Child & Adolescent PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0804X
License✔ Licensed in CA · A198915
Definition
Child & Adolescent Psychiatry is a subspecialty of psychiatry with additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.
Also ListedPsychiatry & Neurology · PsychiatryTaxonomy 2084P0800X · License 74200 (MN)
2719 N AIR FRESNO DR, Fresno, CA 93727
Open in Google Maps ↗

Secondary Practice Locations 3

Location 12823 Fresno StFresno, CA 93721-1324 · Phone (559) 459-6000
Location 27171 N Cedar AveFresno, CA 93720-3311 · Phone (559) 449-8000 · Fax (559) 449-4401
Location 31060 W Sierra Ave Ste 105Fresno, CA 93711-2063 · Phone (559) 437-1111 · Fax (559) 437-1118

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Katherine Mary Mullersman Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignment

Medicare enrollment records show Katherine Mullersman reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

County Of Fresno
3.4 mi
Mental Health (Including Community Mental Health Center)
1925 E DAKOTA AVE
Fresno, CA 93726
  • Reassigned Medicare billing, California enrollment
  • 99 clinicians in this Medicare group
NPI 1770538001 (559) 600-9058

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

Other Providers at the Same Location NPPES 20

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

MS. PATRICIA ALINE ANN GRANADOS
Community Health Worker
2719 N AIR FRESNO DR
FRESNO, CA 93727
Fresno County (559) 721-8139
DR. JEAN RANKIN BUTTERFIELD MD
Psychiatry & Neurology (Child & Adolescent Psychiatry)
2719 N AIR FRESNO DR
FRESNO, CA 93727
Fresno County (559) 600-8918
CHRISTOPHER MARTZEN
Community Health Worker
2719 N AIR FRESNO DR
FRESNO, CA 93727
Fresno County (559) 600-9315
MAGDALENA AVILA LCSW
Social Worker (Clinical)
2719 N AIR FRESNO DR
FRESNO, CA 93727
Fresno County (559) 600-8918
ERIBERTO EMILIANO MANZANO MFT
Marriage & Family Therapist
2719 N AIR FRESNO DR
FRESNO, CA 93727
Fresno County (559) 600-9180
CHRISTIE NICOLE BARNETT B.A. M.S.
Marriage & Family Therapist
2719 N AIR FRESNO DR
FRESNO, CA 93727
Fresno County (559) 600-9088
ELIZABETH CALLEJA GARCIA
Licensed Vocational Nurse
2719 N AIR FRESNO DR
FRESNO, CA 93727
Fresno County (559) 600-9180
SANDY HER LCSW
Social Worker (Clinical)
2719 N AIR FRESNO DR
FRESNO, CA 93727
Fresno County (559) 600-6744

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 Katherine Mullersman's NPI number?

The NPI number for Katherine Mullersman is 1821625146. It was assigned to this individual provider in the NPPES registry on March 25, 2020.

Where is Katherine Mullersman located?

Katherine Mullersman practices at 2719 N Air Fresno Dr, Fresno, CA 93727. The listed phone number is (559) 600-8918.

What is Katherine Mullersman's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Child & Adolescent Psychiatry, with taxonomy code 2084P0804X.

Is Katherine Mullersman enrolled in Medicare?

Yes. Katherine Mullersman is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Katherine Mullersman's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Mullersman reassigns Medicare benefits to County Of Fresno (Fresno, CA). The 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 Katherine Mullersman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Katherine Mullersman was last updated on September 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 48 days 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.