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Edit this profileAt a glance
- 2592 N Santiago Blvd, Orange, CA 92867
About John Mark Geiss d.o. Medical Corporation
John Mark Geiss d.o. Medical Corporation is an organization based in Orange, CA and listed in the NPI registry under family medicine. The organization's National Provider Identifier (NPI) is 1588076673.
Factual summary compiled by Guide.md from public records; not written by this provider.
Practice Size
Counted from individual NPI records registered at the same street address; a shared building can inflate this.
Providers in This Building & Nearby
From registry street addresses: providers filed at this building, which can include unrelated practices sharing it.
- Stephanie Pukini Nurse Practitioner — Psychiatric/Mental Health
- Marsha-Gail McDonald, FNP-BC Nurse Practitioner — Family
- Leenah HISHAM A Khayat Nurse Practitioner
- Jennifer W. Mandhai, FNP Nurse Practitioner — Family
- Rhea M. Mulvina, NP-C Nurse Practitioner
Showing 5 of 12. The full list is in the Related Providers tab.
Specialty
Credentials & Licensing
Contact Information
- (714) 577-2271
- Email not available
Practice Locations
2592 N SANTIAGO BLVD
Orange, CA 92867
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other family doctors at this location 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 4 related providers in 1 group
Common questions
What is John Mark Geiss d.o. Medical Corporation's specialty?
John Mark Geiss d.o. Medical Corporation is a family doctor in Orange, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Family Medicine”.
NPI registry
Where can I find John Mark Geiss d.o. Medical Corporation?
John Mark Geiss d.o. Medical Corporation is listed at 2592 N Santiago Blvd, Orange, CA 92867. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact John Mark Geiss d.o. Medical Corporation?
The number on file is (714) 577-2271. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for John Mark Geiss d.o. Medical Corporation?
John Mark Geiss d.o. Medical Corporation's National Provider Identifier is 1588076673. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Is John Mark Geiss d.o. Medical Corporation's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by John Mark Geiss d.o. Medical Corporation. If this is you, claiming it is free.
Guide.md
Is this your practice?
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