MERCEDES ANN T DE LAS ALAS M.D.
NPI 1477587673
Internal Medicine in Murrieta, CA

Q: What is Mercedes Ann De Las Alas's NPI number?

The NPI number for Mercedes Ann De Las Alas is 1477587673. It was assigned to this individual provider in the NPPES registry on July 11, 2006.

Q: What is Mercedes Ann De Las Alas's specialty?

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

Active since July 11, 2006PECOS EnrolledAccepts Medicare Assignment

39765 DATE ST STE 102, MURRIETA, CA 92563(951) 894-4665(951) 894-5178 Get Directions Write a Review

NPPES record last updated: May 7, 2024. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 7, 2024, Jun 24, 2021, Mar 17, 2018 (3 updates tracked since 2018).

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About Mercedes Ann T De Las Alas M.d. NPPES

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

MERCEDES ANN T DE LAS ALAS M.D. (NPI 1477587673) is an individual internal medicine provider in Murrieta, California, licensed in Wisconsin (40506) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, maintains a secondary practice location in Wisconsin Rapids, and is a graduate of Other (1989).

NPPES Registry Identity

NPI1477587673

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameMERCEDES ANN T DE LAS ALASCredential: M.D.

Location Address39765 DATE ST STE 102Murrieta, CA 92563-2005

Mailing Address39765 Date St Ste 102Murrieta, CA 92563-2005 · (951) 894-4665 · Fax (951) 894-5178

Phone(951) 894-4665

Fax(951) 894-5178

Sole ProprietorNo

Medical School CMSOtherGraduated 1989

Enumeration DateJuly 11, 2006

Last NPPES UpdateMay 7, 20243 updates tracked since enumeration

NPPES CertifiedJune 24, 2021

✔ NPI 1477587673 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in WI · 40506

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.

39765 DATE ST STE 102, Murrieta, CA 92563

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Secondary Practice Location 1

Location 1420 Dewey StWisconsin Rapids, WI 54494-4714 · Phone (715) 422-7750 · Fax (715) 422-7752

Other Identifiers 1

Medicaid32495900WI

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mercedes Ann T De Las Alas M.d. 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 ID749336907

PECOS Enrollment IDI20210629003926

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92563 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

$136.04 typical visit price

range $59.60 – $179.42

Typical copayment $34.01 (range $14.90 – $44.85)

Most-billed visit code 99204

Established Patient

$104.64 typical visit price

range $19.37 – $146.42

Typical copayment $26.16 (range $4.84 – $36.60)

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 3

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

Portable oxygen contents, gaseous, 1 month's supply = 1 unit E0443

DME-Oxygen and Supplies · category DC000N

1 supplier11 claims11 services$46.97 avg. paid by Medicare

Transport chair, adult size, patient weight capacity up to and including 300 pounds E1038

DME-Other DME · category DE000N

1 supplier12 claims12 services$8.89 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

4 suppliers23 claims23 services$86.03 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 11

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

PAUL ANGELO ADVINCULA RELLORA JR.

Nurse Practitioner (Family)