Doctor profile · Federal record

Dr. Miriam Abaunza, M.D.

Surgery Physician (CMS: General Surgery) · Surgery Physician · Los Angeles, CA

  • NPI 1538470778
  • Accepts Medicare
  • MIPS 96.6 / 100 · 2023
  • 16 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
12021 Wilshire Blvd # 745
Los Angeles, CA 900251206
(909) 267-5900
Mailing address
2799 W Grand Blvd
Detroit, MI 482022608

Credentials & registration

NPPES · NUCC
NPI registered
June 2010 — 16 yrs on file
Profile last updated
July 25, 2019
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
208600000X — NUCC code
State licenses (2)
California #A161267 · Michigan #43010978081

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1538470778. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
717
Distinct HCPCS
5
Medicare allowed
$74,995
HCPCS Description Services Patients Avg allowed
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 382 51 $78
99348 Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes 120 13 $82
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 118 30 $111
11043 Removal of muscle and/or tissue, 20.0 sq cm or less 64 19 $252
99306 Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 33 33 $189

In context: peer comparison

Among 50 peers in this city , average services per provider: 79. This provider delivers 9.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$14
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Smith+Nephew, Inc. 1 $13.74

By nature of payment

Food and Beverage
$14

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
74
Patients
33
Total drug cost
$28,702
Drug Type Claims Patients Total cost
Santyl (Collagenase Clostridium Hist.) Brand 27 15 $27,610
Doxycycline Hyclate Generic 24 18 $451
Ciprofloxacin Hcl Generic 12 0 $132
Gentamicin Sulfate Generic 11 0 $508

Frequently asked questions

Auto-generated from federal data
What is Dr. Miriam Abaunza's medical specialty?
Dr. Miriam Abaunza practices Surgery Physician in Los Angeles, CA.
Where does Dr. Miriam Abaunza practice?
Dr. Miriam Abaunza practices at 12021 Wilshire Blvd # 745, Los Angeles, CA 900251206. Office phone: 9092675900.
What is Dr. Miriam Abaunza's NPI?
Dr. Miriam Abaunza's National Provider Identifier (NPI) is 1538470778, issued by NPPES.
Does Dr. Miriam Abaunza accept Medicare assignment?
Yes. Dr. Miriam Abaunza accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Miriam Abaunza commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99308); Residence visit for established patient with low level of medical decision making (HCPCS 99348); Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309). Source: CMS Medicare Physician & Other Practitioners file.