Doctor profile · Federal record

Dr. Mark Ringer, MD

Emergency Medicine Physician (CMS: Emergency Medicine) · Student in an Organized Health Care Education/Training Program · Loma Linda, CA

  • NPI 1629607171
  • Accepts Medicare
  • MIPS 86.3 / 100 · 2023
  • 6 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
11234 Anderson St
Loma Linda, CA 923542804
(909) 558-4085
Mailing address
1798 N Garey Ave
Pomona, CA 917672918

Credentials & registration

NPPES · NUCC
NPI registered
April 2020 — 6 yrs on file
Profile last updated
July 8, 2023
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
California #A177597

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1629607171. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
354
Distinct HCPCS
4
Medicare allowed
$39,405
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 147 147 $180
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 143 138 $8
99291 Critical care, first 30-74 minutes 39 38 $221
99284 Emergency department visit with moderate level of medical decision making 25 25 $124

In context: peer comparison

Among 55 peers in this city , average services per provider: 73. This provider delivers 4.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
31
Patients
31
Total drug cost
$235
Drug Type Claims Patients Total cost
Cephalexin Generic 16 16 $177
Ibuprofen Generic 15 15 $58

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Ringer's medical specialty?
Dr. Mark Ringer practices Emergency Medicine Physician in Loma Linda, CA.
Where does Dr. Mark Ringer practice?
Dr. Mark Ringer practices at 11234 Anderson St, Loma Linda, CA 923542804. Office phone: 9095584085.
What is Dr. Mark Ringer's NPI?
Dr. Mark Ringer's National Provider Identifier (NPI) is 1629607171, issued by NPPES.
Does Dr. Mark Ringer accept Medicare assignment?
Yes. Dr. Mark Ringer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Ringer commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.