Doctor profile · Federal record

Dr. Serena Aunon-Chancellor, MD

Internal Medicine Physician (CMS: Family Practice) · Internal Medicine Physician · Baton Rouge, LA

  • NPI 1023177821
  • Accepts Medicare
  • MIPS 77.4 / 100 · 2023
  • 21 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
5000 Hennessy Blvd
Baton Rouge, LA 708084375
(225) 757-4080
Additional location
301 University Blvd
Galveston, TX 775555302
(409) 772-2222
Mailing address
301 University Blvd
Galveston, TX 775555302

Credentials & registration

NPPES · NUCC
NPI registered
December 2006 — 20 yrs on file
Profile last updated
September 26, 2019
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Louisiana #320950 · Texas #L8606
Medicaid
TX #166537401

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1023177821. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
102
Distinct HCPCS
3
Medicare allowed
$10,409
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 46 19 $116
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 35 13 $77
99239 Hospital discharge day management, more than 30 minutes 21 21 $111

In context: peer comparison

Among 90 peers in this city , average services per provider: 110. This provider delivers 0.9× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Serena Aunon-Chancellor's medical specialty?
Dr. Serena Aunon-Chancellor practices Internal Medicine Physician in Baton Rouge, LA.
Where does Dr. Serena Aunon-Chancellor practice?
Dr. Serena Aunon-Chancellor practices at 5000 Hennessy Blvd, Baton Rouge, LA 708084375. Office phone: 2257574080.
What is Dr. Serena Aunon-Chancellor's NPI?
Dr. Serena Aunon-Chancellor's National Provider Identifier (NPI) is 1023177821, issued by NPPES.
Does Dr. Serena Aunon-Chancellor accept Medicare assignment?
Yes. Dr. Serena Aunon-Chancellor accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Serena Aunon-Chancellor commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.