Doctor profile · Federal record

Dr. Robert Knizley, MD

Internal Medicine Physician · Internal Medicine Physician · Pulmonary Disease Physician · Mobile, AL

  • NPI 1952501983
  • 19 yrs on file
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5 Mobile Infirmary Cir
Mobile, AL 366073513
(251) 545-4579
fax (251) 287-1466
Mailing address
30575 Bainbridge RD, Ste 200
Solon, OH 441392275

Credentials & registration

NPPES · NUCC
NPI registered
July 2007 — 19 yrs on file
Profile last updated
June 1, 2020
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Alabama #29469 · Wisconsin #602

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1952501983. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,084
Distinct HCPCS
5
Medicare allowed
$105,258
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 597 257 $74
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 178 158 $162
99239 Hospital discharge day management, more than 30 minutes 170 154 $107
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 106 60 $111
99238 Hospital discharge day management, 30 minutes or less 33 30 $73

In context: peer comparison

Among 74 peers in Mobile Internal Medicine Physician, average services per provider: 135. This provider delivers 8.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
127
Patients
123
Total drug cost
$781
Drug Type Claims Patients Total cost
Cefdinir Generic 31 30 $327
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 29 27 $201
Prednisone Generic 27 27 $66
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 15 15 $53
Levofloxacin Generic 13 13 $53
Atorvastatin Calcium Generic 12 11 $80

Frequently asked questions

Auto-generated from federal data
What is Dr. Robert Knizley's medical specialty?
Dr. Robert Knizley practices Internal Medicine Physician in Mobile, AL.
Where does Dr. Robert Knizley practice?
Dr. Robert Knizley practices at 5 Mobile Infirmary Cir, Mobile, AL 366073513. Office phone: 2515454579.
What is Dr. Robert Knizley's NPI?
Dr. Robert Knizley's National Provider Identifier (NPI) is 1952501983, issued by NPPES.
What procedures does Dr. Robert Knizley commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.