HOUSE MEDICINE
NPI 1578037115
Clinic/Center - Multi-Specialty in Alhambra, CA

Q: What is House Medicine's NPI number?

The NPI number for House Medicine is 1578037115. It was assigned to this organization in the NPPES registry on January 16, 2019.

Q: What is House Medicine's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Multi-Specialty, with taxonomy code 261QM1300X.

Q: When was this NPI record last updated?

The NPPES record for House Medicine was last updated on August 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.

Active since January 16, 2019

1658 W VALLEY BLVD STE 220, ALHAMBRA, CA 91803(310) 400-0645(424) 270-6232 Get Directions Write a Review

NPPES record last updated: August 22, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 23, 2019, Jan 16, 2019 (2 updates tracked since 2019).

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About House Medicine NPPES

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

HOUSE MEDICINE (NPI 1578037115) is a healthcare organization registered as a multi-specialty in Alhambra, California and active in the NPI registry since January 2019. The organization lists Alagappan Anand Annamalai, President, as its authorized official.

NPPES Registry Identity

NPI1578037115

Entity TypeOrganization

Primary Taxonomy261QM1300X

Legal Business NameHOUSE MEDICINE

Location Address1658 W VALLEY BLVD STE 220Alhambra, CA 91803-2370

Mailing AddressPo Box 5365Beverly Hills, CA 90209-5365 · (310) 400-0645 · Fax (424) 270-6232

Phone(310) 400-0645

Fax(424) 270-6232

Organization SubpartNo

Authorized OfficialAlagappan Anand AnnamalaiPresident · (310) 400-0645

Enumeration DateJanuary 16, 2019

Last NPPES UpdateAugust 22, 20252 updates tracked since enumeration

NPPES CertifiedAugust 22, 2025

✔ NPI 1578037115 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 5

★ Primary SpecialtyClinic/Center · Multi-SpecialtyAmbulatory Health Care Facilities

Taxonomy Code261QM1300X

Also ListedAnesthesiology · Critical Care MedicineTaxonomy 207LC0200X

Also ListedInternal Medicine · Hospice and Palliative MedicineTaxonomy 207RH0002X

Also ListedInternal Medicine · Medical OncologyTaxonomy 207RX0202X

Also ListedSurgeryTaxonomy 208600000X

1658 W VALLEY BLVD STE 220, Alhambra, CA 91803

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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-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)

House Medicine is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 13 clinicians reassign Medicare billing to House Medicine, which bills Medicare for the services they deliver. Of these, 1 practice within 10 miles. They are listed nearest first.

Clinicians by Medicare Specialty 5

General Surgery7

Hematology/Oncology2

Nurse Practitioner2

Anesthesiology1

Internal Medicine1

Clinicians, nearest first (13)

Montreh Tavakkoli, MD

Internal Medicine

NPI 1366970832

120 W HELLMAN AVE STE 303
Monterey Park, CA 91754

(310) 400-0645

✔ PECOS✔ Accepts Medicare1.1 mi

Arvind Shinde, M.D., M.B.A., M.P.H.

Hematology/Oncology

NPI 1205096633

8700 BEVERLY BLVD CSMC - SAMUEL OSCHIN CANCER CENTER, ROOM AC1045
West Hollywood, CA 90048

(310) 248-6998

✔ PECOS✔ Accepts Medicare14 mi

Alagappan Annamalai, M.D.

General Surgery

NPI 1215182910

8635 W 3RD ST MOT, SUITE 590 W
Los Angeles, CA 90048

(310) 423-2975

✔ PECOS✔ Accepts Medicare14 mi

Jamie Taylor, M.D.

Anesthesiology

NPI 1437217767

2040 E MARIPOSA AVE
El Segundo, CA 90245

(310) 400-0645

✔ PECOS✔ Accepts Medicare18 mi

Helen Hughes

Nurse Practitioner

NPI 1710619127

62 CORPORATE PARK STE 240
Irvine, CA 92606

(949) 451-9292

✔ PECOS✔ Accepts Medicare32 mi

Shin Chern Wang, MD

General Surgery

NPI 1700019569

4234 RIVERWALK PKWY STE 120
Riverside, CA 92505

(909) 418-2700

✔ PECOS✔ Accepts Medicare39 mi

Tom Lin, MD

General Surgery

NPI 1194928002

3660 PARK SIERRA DR STE 105
Riverside, CA 92505

(951) 278-8870

✔ PECOS✔ Accepts Medicare40 mi

Laura Rigby, NP

Nurse Practitioner

NPI 1831674191

3660 PARK SIERRA DR STE 208
Riverside, CA 92505

(951) 687-2800

✔ PECOS40 mi

Brendan Boland, MD

General Surgery

NPI 1790944783

44151 15TH ST W STE 101
Lancaster, CA 93534

(661) 902-5600

✔ PECOS✔ Accepts Medicare42 mi

Christina Lien

General Surgery

NPI 1972998326

7300 MAGNOLIA AVE
Riverside, CA 92504

(951) 278-8870

✔ PECOS✔ Accepts Medicare43 mi

Albert Nguyen, MD

General Surgery

NPI 1497259568

400 N. PEPPER AVENUE SUITE 309
Colton, CA 92324

(909) 580-3362

✔ PECOS45 mi

Siddharth Iyengar, MD

Hematology/Oncology

NPI 1003376187

200 W ARBOR DR
San Diego, CA 92103

(800) 926-8273

✔ PECOS107 mi

Mark Dy-Liacco, MD

General Surgery

NPI 1366488850

5555 W LAS POSITAS BLVD
Pleasanton, CA 94588

(925) 416-3440

✔ PECOS✔ Accepts Medicare326 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 House Medicine's NPI number?

The NPI number for House Medicine is 1578037115. It was assigned to this organization in the NPPES registry on January 16, 2019.

Where is House Medicine located?

House Medicine is located at 1658 W Valley Blvd Ste 220, Alhambra, CA 91803. The listed phone number is (310) 400-0645.

What is House Medicine's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Multi-Specialty, with taxonomy code 261QM1300X.

Is House Medicine enrolled in Medicare?

Yes. House Medicine is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through House Medicine?

According to the CMS Revalidation Reassignment List (October 2026 release), 13 clinicians in 5 Medicare specialties reassign their Medicare billing to House Medicine. 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 General Surgery (7), Hematology/Oncology (2) and Nurse Practitioner (2). Of these, 1 practice 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 House Medicine was last updated on August 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.