Doctor profile · Federal record

Dr. Nathalie Coeller, MD

Emergency Medicine Physician (CMS: Emergency Medicine) · Castro Valley, CA

  • NPI 1265607402
  • Accepts Medicare
  • MIPS 90.4 / 100 · 2023
  • 21 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
20103 Lake Chabot RD
Castro Valley, CA 945465305
(510) 714-8520

Credentials & registration

NPPES · NUCC
NPI registered
April 2008 — 18 yrs on file
Profile last updated
November 28, 2012
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
California #A120243

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1265607402. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
665
Distinct HCPCS
6
Medicare allowed
$80,323
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 228 219 $9
99285 Emergency department visit with high level of medical decision making 125 123 $187
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 110 108 $193
99284 Emergency department visit with moderate level of medical decision making 95 94 $129
99291 Critical care, first 30-74 minutes 85 85 $232
99283 Emergency department visit with low level of medical decision making 22 22 $77

In context: peer comparison

Among 9 peers in this city , average services per provider: 94. This provider delivers 7.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
98
Patients
98
Total drug cost
$531
Drug Type Claims Patients Total cost
Ibuprofen Generic 30 30 $121
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 24 24 $117
Ondansetron Odt (Ondansetron) Brand 18 18 $98
Cephalexin Generic 15 15 $104
Famotidine Generic 11 11 $91

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nathalie Coeller's medical specialty?
Dr. Nathalie Coeller practices Emergency Medicine Physician in Castro Valley, CA.
Where does Dr. Nathalie Coeller practice?
Dr. Nathalie Coeller practices at 20103 Lake Chabot RD, Castro Valley, CA 945465305. Office phone: 5107148520.
What is Dr. Nathalie Coeller's NPI?
Dr. Nathalie Coeller's National Provider Identifier (NPI) is 1265607402, issued by NPPES.
Does Dr. Nathalie Coeller accept Medicare assignment?
Yes. Dr. Nathalie Coeller accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nathalie Coeller commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Emergency department visit with high level of medical decision making (HCPCS 99285); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.