Doctor profile · Federal record

Dr. Esther Amuyunzu-Ramirez, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Student in an Organized Health Care Education/Training Program · Sacramento, CA

  • NPI 1518387364
  • Accepts Medicare
  • MIPS 74.2 / 100 · 2023
  • 12 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2025 Morse Ave
Sacramento, CA 958252115
(916) 973-5000

Credentials & registration

NPPES · NUCC
NPI registered
April 2014 — 12 yrs on file
Profile last updated
September 26, 2025
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A139410

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1518387364. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
480
Distinct HCPCS
4
Medicare allowed
$60,519
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 208 81 $91
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 146 54 $137
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 71 69 $200
99239 Hospital discharge day management, more than 30 minutes 55 55 $134

In context: peer comparison

Among 123 peers in Sacramento Internal Medicine Physician, average services per provider: 116. This provider delivers 4.1× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Esther Amuyunzu-Ramirez's medical specialty?
Dr. Esther Amuyunzu-Ramirez practices Internal Medicine Physician in Sacramento, CA.
Where does Dr. Esther Amuyunzu-Ramirez practice?
Dr. Esther Amuyunzu-Ramirez practices at 2025 Morse Ave, Sacramento, CA 958252115. Office phone: 9169735000.
What is Dr. Esther Amuyunzu-Ramirez's NPI?
Dr. Esther Amuyunzu-Ramirez's National Provider Identifier (NPI) is 1518387364, issued by NPPES.
Does Dr. Esther Amuyunzu-Ramirez accept Medicare assignment?
Yes. Dr. Esther Amuyunzu-Ramirez accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Esther Amuyunzu-Ramirez commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.