1. Home
  2. Directory
  3. California
  4. Santa Ana
  5. Family Medicine
  6. NPI Profile

DR. JOHN MARK GEISS D.O.
NPI 1053651497
Family Medicine in Santa Ana, CA

Active since February 21, 2013Accepts Medicare Assignment
5 HUTTON CENTRE DR STE 950, SANTA ANA, CA 92707(855) 434-7763(949) 281-5550 Get Directions Write a Review

NPPES record last updated: September 20, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Sep 20, 2025, Oct 31, 2023, Apr 3, 2019 (3 updates tracked since 2019).

About Dr. John Mark Geiss D.o. NPPES

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

DR. JOHN MARK GEISS D.O. (NPI 1053651497) is an individual family medicine provider in Santa Ana, California, licensed in California (20A12647) and active in the NPI registry since February 2013. He is a graduate of Other (2011).

NPPES Registry Identity

NPI1053651497
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. JOHN MARK GEISSCredential: D.O.
Location Address5 HUTTON CENTRE DR STE 950Santa Ana, CA 92707-8744
Mailing Address5 Hutton Centre Dr Ste 950Santa Ana, CA 92707-8744 · (855) 434-7763 · Fax (949) 281-5550
Phone(855) 434-7763
Fax(949) 281-5550
Sole ProprietorYes
Medical School CMSOtherGraduated 2011
Enumeration DateFebruary 21, 2013
Last NPPES UpdateSeptember 20, 20253 updates tracked since enumeration
NPPES CertifiedSeptember 20, 2025
✔ NPI 1053651497 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CA · 20A12647
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.
5 HUTTON CENTRE DR STE 950, Santa Ana, CA 92707
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan, Select Health.Insurance ›

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

Dr. John Mark Geiss D.o. 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 ID5890933071
PECOS Enrollment IDI20250926000369, I20251125004640, I20251215003298

Medicare Billing Reassignments

14

Medicare enrollment records show John Geiss reassigns Medicare billing to 14 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

J M Geiss Do Apc
Same address
Family Medicine
5 HUTTON CENTRE DR STE 950
Santa Ana, CA 92707
  • Reassigned Medicare billing, Idaho, North Carolina, Oregon, South Carolina, South Dakota, Utah, Virginia and Washington enrollments
  • 20 clinicians in this Medicare group
NPI 1063825289 (855) 434-7763
Senior Doc Virginia PC
Same address
Family Medicine
5 HUTTON CENTRE DR STE 950
Santa Ana, CA 92707
  • Reassigned Medicare billing, Virginia enrollment
  • 8 clinicians in this Medicare group
NPI 1669352704 (855) 434-7763
Senior Doc Utah PC
Same address
Family Medicine
5 HUTTON CENTRE DR STE 950
Santa Ana, CA 92707
  • Reassigned Medicare billing, Utah enrollment
  • 11 clinicians in this Medicare group
NPI 1760118673 (855) 434-7763
Senior Doc Integrated Med, PC
Same address
Family Medicine
5 HUTTON CENTRE DR STE 950
Santa Ana, CA 92707
  • Reassigned Medicare billing, California enrollment
  • 70 clinicians in this Medicare group
NPI 1396526026 (855) 434-7763
Senior Doc Az Medical PC
5.6 mi
Family Medicine
2592 N SANTIAGO BLVD
Orange, CA 92867
  • Reassigned Medicare billing, Arizona enrollment
  • 30 clinicians in this Medicare group
NPI 1790550895 (855) 434-7763
Senior Doc Id Medical, PC
5.6 mi
Family Medicine
2592 N SANTIAGO BLVD
Orange, CA 92867
  • Reassigned Medicare billing, Idaho enrollment
  • 15 clinicians in this Medicare group
NPI 1407639941 (855) 434-7763
Senior Doc North Dakota PC
5.6 mi
Family Medicine
2592 N SANTIAGO BLVD
Orange, CA 92867
  • Reassigned Medicare billing, North Dakota enrollment
  • 4 clinicians in this Medicare group
NPI 1760237093 (855) 434-7763
Senior Doc Oregon, PC
5.6 mi
Family Medicine
2592 N SANTIAGO BLVD
Orange, CA 92867
  • Reassigned Medicare billing, Oregon enrollment
  • 12 clinicians in this Medicare group
NPI 1063192029 (855) 434-7763
Inland Physicians Service Inc
29 mi
Family Medicine
9089 BASELINE ROAD, SUITE 100
Rancho Cucamonga, CA 91730
  • Reassigned Medicare billing, California enrollment
  • 9 clinicians in this Medicare group
NPI 1083724850 (909) 483-0505
Senior Doc Arizona PC
336 mi
Family Medicine
14631 N CAVE CREEK RD STE 104
Phoenix, AZ 85022
  • Reassigned Medicare billing, Arizona enrollment
  • 32 clinicians in this Medicare group
NPI 1700477627 (855) 434-7763

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

Areas of Expertise CMS Part B claims 9

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Complex chronic care management services for two or more chronic conditions, each additional 60 minutes of clinical staff time directed by health care professional, per calendar month 99489
Complex chronic care management is a service for patients with multiple chronic conditions. It involves an additional 60 minutes per month of clinical staff time directed by a healthcare professional. This service assists in managing your health conditions effectively.
8,411 services2,103 patients
Complex chronic care management services for two or more chronic conditions, first 60 minutes of clinical staff time directed by health care professional, per calendar month 99487
Complex chronic care management is a service for patients with two or more long-term health conditions. It involves a healthcare professional directing clinical staff in providing care for the first 60 minutes each month. This helps manage your health conditions effectively.
3,633 services2,149 patients
Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes 99458
This service involves analyzing your vital signs, like heart rate and blood pressure, remotely collected over a month. Each additional 20 minutes spent on management refers to extra time spent reviewing, interpreting your data, and planning your care. It's a critical part of ensuring your wellbeing.
650 services185 patients
Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days 99454
This service involves using devices to remotely track body functions like heart rate or blood pressure. These devices, provided initially, record data daily or send alerts if readings are abnormal. The service is renewed every 30 days.
345 services196 patients
Management using the results of remote vital sign monitoring per calendar month, first 20 minutes 99457
This service involves reviewing and managing your health data, which is remotely monitored and collected. Your vital signs like heart rate and blood pressure are tracked regularly throughout the month. The first 20 minutes of this data analysis per month is included in this service.
337 services186 patients
Complex chronic care management services for two or more chronic conditions, each additional 60 minutes of clinical staff time directed by health care professional, per calendar month 99489
Complex chronic care management is a service for patients with multiple chronic conditions. It involves an additional 60 minutes per month of clinical staff time directed by a healthcare professional. This service assists in managing your health conditions effectively.
48 services21 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92707 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.

Referred Medical Equipment & Supplies CMS DME claims 23

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
1 supplier23 claims33 services$6.60 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
1 supplier14 claims14 services$1.13 avg. paid by Medicare
Intermittent urinary catheter, with insertion supplies A4353
DME-Orthotic Devices · category DF008N
1 supplier11 claims1,980 services$6.77 avg. paid by Medicare
Enteral feeding supply kit; syringe fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tape B4034
Other-Enteral and Parenteral · category OB006N
3 suppliers13 claims325 services$3.15 avg. paid by Medicare
Enteral feeding supply kit; pump fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tape B4035
Other-Enteral and Parenteral · category OB006N
4 suppliers121 claims3,542 services$4.65 avg. paid by Medicare
Enteral formula, nutritionally complete with intact nutrients, includes proteins, fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit B4150
Other-Enteral and Parenteral · category OB006N
4 suppliers49 claims15,852 services$0.32 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

CARLY AKEMI TAKATA
Physician Assistant
5 HUTTON CENTRE DR STE 950
SANTA ANA, CA 92707
Orange County (855) 434-7763
J M GEISS DO APC
Family Medicine
5 HUTTON CENTRE DR STE 950
SANTA ANA, CA 92707
Orange County (855) 434-7763
SENIOR DOC VERMONT PC
Family Medicine
5 HUTTON CENTRE DR STE 950
SANTA ANA, CA 92707
Orange County (855) 434-7763
GABRIELLE CARTER RN, PMHNP-BC
Nurse Practitioner (Psychiatric/Mental Health)
5 HUTTON CENTRE DR STE 950
SANTA ANA, CA 92707
Orange County (855) 434-7763
COURTNEY WHEELER PA-C
Physician Assistant
5 HUTTON CENTRE DR STE 950
SANTA ANA, CA 92707
Orange County (855) 434-7763
CYNTHIA MARIE MARIUTA FNP-C
Nurse Practitioner (Family)
5 HUTTON CENTRE DR STE 950
SANTA ANA, CA 92707
Orange County (855) 434-7763
VIVIAN LUONG
Physician Assistant
5 HUTTON CENTRE DR STE 950
SANTA ANA, CA 92707
Orange County (855) 434-7763
JONATHAN MICHAEL DAY RN, CRNP, PMHNP-BC
Nurse Practitioner (Psychiatric/Mental Health)
5 HUTTON CENTRE DR STE 950
SANTA ANA, CA 92707
Orange County (855) 434-7763

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 John Geiss's NPI number?

The NPI number for John Geiss is 1053651497. It was assigned to this individual provider in the NPPES registry on February 21, 2013.

Where is John Geiss located?

John Geiss practices at 5 Hutton Centre Dr Ste 950, Santa Ana, CA 92707. The listed phone number is (855) 434-7763.

What is John Geiss's specialty?

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

Is John Geiss enrolled in Medicare?

Yes. John Geiss 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 organizations bill Medicare for John Geiss's services?

According to the CMS Revalidation Reassignment List (October 2026 release), John Geiss reassigns Medicare benefits to 14 organizations: J M Geiss Do Apc (Santa Ana, CA), Senior Doc Virginia PC (Santa Ana, CA), Senior Doc Utah PC (Santa Ana, CA), Senior Doc Integrated Med, PC (Santa Ana, CA), Senior Doc Az Medical PC (Orange, CA) and 9 more organizations, listed in the Medicare section above. Each 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 John Geiss's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does John Geiss accept?

Health plans from Providence Health Plan and Select Health list John Geiss as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for John Geiss was last updated on September 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.