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SENIOR DOC NEW HAMPSHIRE PC
NPI 1750136081
Internal Medicine in Orange, CA

Active since April 19, 2024
2592 N SANTIAGO BLVD, ORANGE, CA 92867(855) 434-7763 Get Directions Write a Review

NPPES record last updated: April 19, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Senior Doc New Hampshire Pc NPPES

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

SENIOR DOC NEW HAMPSHIRE PC (NPI 1750136081) is a healthcare organization registered as an internal medicine in Orange, California and active in the NPI registry since April 2024. The organization lists John Mark Geiss, Ceo, as its authorized official.

NPPES Registry Identity

NPI1750136081
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameSENIOR DOC NEW HAMPSHIRE PC
Location Address2592 N SANTIAGO BLVDOrange, CA 92867-1862
Mailing Address2592 N Santiago BlvdOrange, CA 92867-1862 · (855) 434-7763
Phone(855) 434-7763
Organization SubpartNo
Authorized OfficialJohn Mark GeissCeo · (855) 434-7763
Enumeration DateApril 19, 2024
NPPES CertifiedApril 19, 2024
✔ NPI 1750136081 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
2592 N SANTIAGO BLVD, Orange, CA 92867
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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)

Senior Doc New Hampshire Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

4

Medicare enrollment records show 4 clinicians reassign Medicare billing to Senior Doc New Hampshire PC, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 3 within 10 miles. They are listed nearest first.

Clinicians, nearest first (4)

Jeffrey Thomas
Internal Medicine
NPI 1932337136
2592 N SANTIAGO BLVD
Orange, CA 92867
(855) 434-7763
✔ PECOS✔ Accepts MedicareSame address
Alexi Yarashevich, NP
Nurse Practitioner
NPI 1306340831
151 N KRAEMER BLVD STE 100
Placentia, CA 92870
(949) 209-1563
✔ PECOS✔ Accepts Medicare3.3 mi
Henriette Hvingelby, NP
Nurse Practitioner
NPI 1942353107
5 HUTTON CENTRE DR STE 950
Santa Ana, CA 92707
(855) 434-7763
✔ PECOS5.6 mi
Anthony Yniguez, FNP-C
Nurse Practitioner
NPI 1871185686
219 1/2 MARGUERITE AVE
Corona Del Mar, CA 92625
(949) 209-1563
✔ PECOS✔ Accepts Medicare16 mi

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 Senior Doc New Hampshire PC's NPI number?

The NPI number for Senior Doc New Hampshire PC is 1750136081. It was assigned to this organization in the NPPES registry on April 19, 2024.

Where is Senior Doc New Hampshire PC located?

Senior Doc New Hampshire PC is located at 2592 N Santiago Blvd, Orange, CA 92867. The listed phone number is (855) 434-7763.

What is Senior Doc New Hampshire PC's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Senior Doc New Hampshire PC enrolled in Medicare?

Yes. Senior Doc New Hampshire PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Senior Doc New Hampshire PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians in 2 Medicare specialties reassign their Medicare billing to Senior Doc New Hampshire 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 (3) and Internal Medicine (1). Of these, 1 practice at this address and 3 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 Senior Doc New Hampshire PC was last updated on April 19, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.