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GEREMY ZHANG DNP, PHMNP-BC
NPI 1003428673
Nurse Practitioner - Psychiatric/Mental Health in Los Angeles, CA

Active since August 17, 2020PECOS EnrolledAccepts Medicare Assignment
811 W 7TH ST STE 1200, LOS ANGELES, CA 90017(310) 430-7324(310) 430-7324 Get Directions Write a Review

NPPES record last updated: June 16, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 16, 2025, Oct 6, 2020, Aug 17, 2020 (3 updates tracked since 2020).

About Geremy Zhang Dnp, Phmnp-bc NPPES

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

GEREMY ZHANG DNP, PHMNP-BC (NPI 1003428673) is an individual psychiatric/mental health provider in Los Angeles, California, licensed in California (95025349) and active in the NPI registry since August 2020. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2022).

NPPES Registry Identity

NPI1003428673
Entity TypeIndividualMale
Primary Taxonomy363LP0808X
Provider Legal NameGEREMY ZHANGCredential: DNP, PHMNP-BC
Location Address811 W 7TH ST STE 1200Los Angeles, CA 90017-3423
Mailing Address811 W 7th St Ste 1200Los Angeles, CA 90017-3423 · (310) 430-7324 · Fax (310) 430-7324
Phone(310) 430-7324
Fax(310) 430-7324
Sole ProprietorYes
Medical School CMSOtherGraduated 2022
Enumeration DateAugust 17, 2020
Last NPPES UpdateJune 16, 20253 updates tracked since enumeration
NPPES CertifiedJune 16, 2025
✔ NPI 1003428673 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in CA · 95025349
Also ListedRegistered NurseTaxonomy 163W00000X · License 832693 (CA)
811 W 7TH ST STE 1200, Los Angeles, CA 90017
Open in Google Maps ↗

Secondary Practice Locations 2

Location 114541 Delano StVan Nuys, CA 91411-2820 · Phone (800) 919-0118
Location 22121 Santa Monica BlvdSanta Monica, CA 90404-2303 · Phone (310) 829-5511

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Geremy Zhang Dnp, Phmnp-bc 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 ID3375060163
PECOS Enrollment IDI20250506000579
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 Geremy Zhang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Sham Singh, M.D., Inc
Same address
Psychiatry
811 W 7TH ST, SUITE 1200, OFFICE 1048
Los Angeles, CA 90017
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Sham Singh MD Inc
  • 10 clinicians in this Medicare group
NPI 1639940851 (510) 673-8240

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90017 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
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

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

EMOPTI PN PC
Preventive Medicine (Public Health & General Preventive Medicine)
811 W 7TH ST STE 1200
LOS ANGELES, CA 90017
Los Angeles County (253) 242-2705

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 Geremy Zhang's NPI number?

The NPI number for Geremy Zhang is 1003428673. It was assigned to this individual provider in the NPPES registry on August 17, 2020.

Where is Geremy Zhang located?

Geremy Zhang practices at 811 W 7th St Ste 1200, Los Angeles, CA 90017. The listed phone number is (310) 430-7324.

What is Geremy Zhang's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Geremy Zhang enrolled in Medicare?

Yes. Geremy Zhang 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.

Which organization bills Medicare for Geremy Zhang's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Geremy Zhang reassigns Medicare benefits to Sham Singh, M.D., Inc (Los Angeles, 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 Geremy Zhang'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 Geremy Zhang was last updated on June 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months 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.