GEISS MED NEVADA PC
NPI 1033793963
Family Medicine in Orange, CA

Active since May 06, 2021
2592 N SANTIAGO BLVD, ORANGE, CA 92867(855) 434-7763 Get Directions Write a Review

NPPES record last updated: May 10, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: May 10, 2021, May 6, 2021 (2 updates tracked since 2021).

About Geiss Med Nevada Pc NPPES

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

GEISS MED NEVADA PC (NPI 1033793963) is a healthcare organization registered as a family medicine in Orange, California and active in the NPI registry since May 2021. The organization lists John Mark Geiss, Doctor/owner, as its authorized official.

NPPES Registry Identity

NPI1033793963
Entity TypeOrganization
Primary Taxonomy207Q00000X
Legal Business NameGEISS MED NEVADA PC
Location Address2592 N SANTIAGO BLVDOrange, CA 92867-1862
Mailing Address2592 N Santiago BlvdOrange, CA 92867-1862 · (855) 434-7763
Organization SubpartNo
Authorized OfficialJohn Mark GeissDoctor/owner · (855) 434-7763
Enumeration DateMay 6, 2021
Last NPPES UpdateMay 10, 20212 updates tracked since enumeration
NPPES CertifiedMay 10, 2021
✔ NPI 1033793963 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
2592 N SANTIAGO BLVD, Orange, CA 92867

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)

Geiss Med Nevada Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

22

Medicare enrollment records show 22 clinicians reassign Medicare billing to Geiss Med Nevada PC, which bills Medicare for the services they deliver. Of these, 2 practice at this address and 5 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 5

Nurse Practitioner18
Clinical Social Worker1
Family Practice1
Internal Medicine1
Neurology1

Nearest to this location (20)

See all 22
Nurse Practitioner
NPI 1790499218
2592 N SANTIAGO BLVD
Orange, CA 92867
(855) 919-9393
✔ PECOS✔ Accepts MedicareSame address
Internal Medicine
NPI 1932337136
2592 N SANTIAGO BLVD
Orange, CA 92867
(855) 434-7763
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1306340831
1855 W KATELLA AVE STE 255
Orange, CA 92867
(949) 326-0182
✔ PECOS2.8 mi
Nurse Practitioner
NPI 1871185686
1855 W KATELLA AVE STE 255
Orange, CA 92867
(714) 577-9500
✔ PECOS2.8 mi
Nurse Practitioner
NPI 1467729525
5 HUTTON CENTRE DR STE 950
Santa Ana, CA 92707
(855) 434-7763
✔ PECOS✔ Accepts Medicare5.7 mi
Nurse Practitioner
NPI 1972193217
219 1/2 MARGUERITE AVE
Corona Del Mar, CA 92625
(949) 209-1563
✔ PECOS✔ Accepts Medicare16 mi
Nurse Practitioner
NPI 1982311437
880 APOLLO ST STE 217
El Segundo, CA 90245
(855) 818-2218
✔ PECOS✔ Accepts Medicare32 mi
Nurse Practitioner
NPI 1356194005
35470 MARABELLA CT
Winchester, CA 92596
(951) 233-4596
✔ PECOS✔ Accepts Medicare44 mi
Nurse Practitioner
NPI 1457249815
6370 W FLAMINGO RD STE 14K UNIT 148
Las Vegas, NV 89103
(702) 703-1078
✔ PECOS✔ Accepts Medicare216 mi
Nurse Practitioner
NPI 1437334273
9089 S PECOS RD STE 3600
Henderson, NV 89074
(702) 472-7821
✔ PECOS✔ Accepts Medicare217 mi
Nurse Practitioner
NPI 1164177309
3085 S JONES BLVD STE E
Las Vegas, NV 89146
(505) 900-5642
✔ PECOS✔ Accepts Medicare217 mi
Nurse Practitioner
NPI 1073213609
1748 W HORIZON RIDGE PKWY
Henderson, NV 89012
(702) 982-1300
✔ PECOS✔ Accepts Medicare218 mi
Nurse Practitioner
NPI 1295534782
3753 HOWARD HUGHES PKWY STE 200
Las Vegas, NV 89169
(502) 320-0023
✔ PECOS✔ Accepts Medicare219 mi
Nurse Practitioner
NPI 1396715488
4475 S EASTERN AVE NEUROLOGY CLINIC
Las Vegas, NV 89119
(702) 669-5944
✔ PECOS220 mi
Nurse Practitioner
NPI 1881934602
3401 E. FLAMINGO
Las Vegas, NV 89121
(937) 239-7879
✔ PECOS✔ Accepts Medicare221 mi
Nurse Practitioner
NPI 1285470484
1505 S EASTERN AVE
Las Vegas, NV 89104
(725) 229-2573
✔ PECOS✔ Accepts Medicare222 mi
Family Practice
NPI 1871013631
2550 NATURE PARK DR STE 235
North Las Vegas, NV 89084
(702) 948-1150
✔ PECOS✔ Accepts Medicare227 mi
Clinical Social Worker
NPI 1376913111
24 GOLDLEAF FALLS AVE
North Las Vegas, NV 89031
(202) 909-5016
✔ PECOS✔ Accepts Medicare227 mi
Nurse Practitioner
NPI 1871199547
550 BRYANT ST STE 1A
San Francisco, CA 94107
(415) 513-1222
✔ PECOS✔ Accepts Medicare374 mi
Neurology
NPI 1447612940
505 PARNASSUS AVE
San Francisco, CA 94143
(818) 648-6941
✔ PECOS✔ Accepts Medicare375 mi
See all 22 clinicians

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 Geiss Med Nevada PC's NPI number?

The NPI number for Geiss Med Nevada PC is 1033793963. It was assigned to this organization in the NPPES registry on May 6, 2021.

Where is Geiss Med Nevada PC located?

Geiss Med Nevada PC is located at 2592 N Santiago Blvd, Orange, CA 92867. The listed phone number is (855) 434-7763.

What is Geiss Med Nevada PC's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Geiss Med Nevada PC enrolled in Medicare?

Yes. Geiss Med Nevada PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Geiss Med Nevada PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 22 clinicians in 5 Medicare specialties reassign their Medicare billing to Geiss Med Nevada PC. 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. The largest specialties are Nurse Practitioner (18), Clinical Social Worker (1) and Family Practice (1). Of these, 2 practice at this address and 5 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 Geiss Med Nevada PC was last updated on May 10, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.