Doctor profile · Federal record

Dr. Caelyn Mari del Rosario, MD

Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Grand Blanc, MI

  • NPI 1457881344
  • Accepts Medicare
  • MIPS 87.7 / 100 · 2023
  • 10 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
One Genesys Parkway, Genesys Regional Medical Center, Medical Education
Grand Blanc, MI 48439
(810) 606-6372
fax (810) 606-5990

Credentials & registration

NPPES · NUCC
NPI registered
June 2017 — 9 yrs on file
Profile last updated
March 18, 2022
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207P00000X — NUCC code
State licenses (2)
Florida #ME148537 · Michigan #4301119389

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1457881344. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
174
Distinct HCPCS
4
Medicare allowed
$20,953
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 72 71 $177
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 51 50 $8
99284 Emergency department visit with moderate level of medical decision making 34 32 $122
99291 Critical care, first 30-74 minutes 17 17 $213

In context: peer comparison

Among 28 peers in this city , average services per provider: 96. This provider delivers 1.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
132
Patients
120
Total drug cost
$2,699
Drug Type Claims Patients Total cost
Ondansetron Odt (Ondansetron) Brand 36 35 $204
Diclofenac Sodium Generic 27 27 $649
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 17 17 $159
Cefpodoxime Proxetil Generic 16 16 $1,516
Methocarbamol Generic 13 13 $63
Azithromycin Generic 12 12 $46
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 11 0 $62

Frequently asked questions

Auto-generated from federal data
What is Dr. Caelyn Mari del Rosario's medical specialty?
Dr. Caelyn Mari del Rosario practices Emergency Medicine Physician in Grand Blanc, MI.
Where does Dr. Caelyn Mari del Rosario practice?
Dr. Caelyn Mari del Rosario practices at One Genesys Parkway, Grand Blanc, MI 48439. Office phone: 8106066372.
What is Dr. Caelyn Mari del Rosario's NPI?
Dr. Caelyn Mari del Rosario's National Provider Identifier (NPI) is 1457881344, issued by NPPES.
Does Dr. Caelyn Mari del Rosario accept Medicare assignment?
Yes. Dr. Caelyn Mari del Rosario accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Caelyn Mari del Rosario 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); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.