Doctor profile · Federal record

Dr. Lisa Diehl

Internal Medicine Physician (CMS: Physical Medicine and Rehabilitation) · Baton Rouge, LA

  • NPI 1326138199
  • Accepts Medicare
  • 33 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
8595 United Plaza Blvd
Baton Rouge, LA 708092251
(985) 635-6943
fax (985) 635-6948
Mailing address
Po Box 1536
Mandeville, LA 704701536

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
September 12, 2019
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Louisiana #10808R
Medicaid
LA #1490946

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1326138199. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
4,262
Distinct HCPCS
5
Medicare allowed
$394,441
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 1,456 347 $114
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 1,092 313 $76
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 985 317 $48
99239 Hospital discharge day management, more than 30 minutes 376 341 $109
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 353 325 $166

In context: peer comparison

Among 90 peers in this city , average services per provider: 110. This provider delivers 39× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
121
Patients
103
Total drug cost
$8,943
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 35 35 $190
Gabapentin Generic 21 21 $197
Oxycodone Hcl Generic 20 19 $87
Eliquis (Apixaban) Brand 17 0 $8,333
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 17 17 $106
Tramadol Hcl Generic 11 11 $30

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Lisa Diehl's medical specialty?
Dr. Lisa Diehl practices Internal Medicine Physician in Baton Rouge, LA.
Where does Dr. Lisa Diehl practice?
Dr. Lisa Diehl practices at 8595 United Plaza Blvd, Baton Rouge, LA 708092251. Office phone: 9856356943.
What is Dr. Lisa Diehl's NPI?
Dr. Lisa Diehl's National Provider Identifier (NPI) is 1326138199, issued by NPPES.
Does Dr. Lisa Diehl accept Medicare assignment?
Yes. Dr. Lisa Diehl accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lisa Diehl 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); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231). Source: CMS Medicare Physician & Other Practitioners file.