Doctor profile · Federal record

Dr. Mercedes Ann de Las Alas, M.D.

Internal Medicine Physician · Murrieta, CA

  • NPI 1477587673
  • 20 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
39765 Date St Ste 102
Murrieta, CA 925632005
(951) 894-4665
fax (951) 894-5178
Additional location
420 Dewey St
Wisconsin Rapids, WI 544944714
(715) 422-7750
fax (715) 422-7752

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
May 7, 2024
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Wisconsin #40506
Medicaid
WI #32495900

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1477587673. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
611
Distinct HCPCS
10
Medicare allowed
$66,726
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 281 147 $132
99213 Established patient office or other outpatient visit, 20-29 minutes 117 79 $93
99215 Established patient office or other outpatient visit, 40-54 minutes 64 46 $185
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 25 23 $15
81003 Automated urinalysis test 24 21 $2
90688 Influenza vaccine, quadrivalent, 0.5 ml dosage 22 22 $20
G0008 Administration of influenza virus vaccine 22 22 $32
99204 New patient office or other outpatient visit, 45-59 minutes 18 18 $172
96127 Assessment of emotional or behavioral problems 14 14 $5
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and 13 12 $54

In context: peer comparison

Among 9 peers in this city , average services per provider: 114. This provider delivers 5.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$20
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 1 $20.30

By nature of payment

Food and Beverage
$20

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,485
Patients
494
Total drug cost
$69,475
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 174 68 $3,510
Losartan Potassium Generic 156 52 $2,873
Levothyroxine Sodium Generic 147 47 $3,259
Rosuvastatin Calcium Generic 115 39 $3,540
Pantoprazole Sodium Generic 109 33 $1,640
Amlodipine Besylate Generic 107 44 $1,339
Lisinopril Generic 99 30 $1,268
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 85 24 $1,873
Alendronate Sodium Generic 81 21 $912
Gabapentin Generic 80 28 $1,257

Frequently asked questions

Auto-generated from federal data
What is Dr. Mercedes Ann de Las Alas's medical specialty?
Dr. Mercedes Ann de Las Alas practices Internal Medicine Physician in Murrieta, CA.
Where does Dr. Mercedes Ann de Las Alas practice?
Dr. Mercedes Ann de Las Alas practices at 39765 Date St Ste 102, Murrieta, CA 925632005. Office phone: 9518944665.
What is Dr. Mercedes Ann de Las Alas's NPI?
Dr. Mercedes Ann de Las Alas's National Provider Identifier (NPI) is 1477587673, issued by NPPES.
What procedures does Dr. Mercedes Ann de Las Alas commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.