Doctor profile · Federal record

Dr. Karla Nockleby, MD

Hospitalist Physician (CMS: Internal Medicine) · Internal Medicine Physician · Hospitalist Physician · Internal Medicine Physician · Saint Paul, MN

  • NPI 1669615613
  • Accepts Medicare
  • 18 yrs in practice
  • Licensed in 3 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
640 Jackson St
Saint Paul, MN 551012502
(651) 254-3456
fax (651) 254-9673
Additional location
1450 Chapel St
New Haven, CT 065114405
(203) 488-7228
fax (203) 404-0480
Mailing address
8170 33Rd Ave S, MS 21110Q
Bloomington, MN 554254516

Credentials & registration

NPPES · NUCC
NPI registered
April 2009 — 17 yrs on file
Profile last updated
July 21, 2022
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
208M00000X — NUCC code
State licenses (3)
Minnesota #53121 · Connecticut #51969 · Michigan #53121

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1669615613. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
385
Distinct HCPCS
4
Medicare allowed
$41,679
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 215 87 $116
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 102 48 $77
99239 Hospital discharge day management, more than 30 minutes 43 42 $111
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 25 25 $168

In context: peer comparison

Among 7 peers in Saint Paul Hospitalist Physician, average services per provider: 59. This provider delivers 6.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
11
Patients
0
Total drug cost
$29
Drug Type Claims Patients Total cost
Oxycodone Hcl Generic 11 0 $29

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Karla Nockleby's medical specialty?
Dr. Karla Nockleby practices Hospitalist Physician in Saint Paul, MN.
Where does Dr. Karla Nockleby practice?
Dr. Karla Nockleby practices at 640 Jackson St, Saint Paul, MN 551012502. Office phone: 6512543456.
What is Dr. Karla Nockleby's NPI?
Dr. Karla Nockleby's National Provider Identifier (NPI) is 1669615613, issued by NPPES.
Does Dr. Karla Nockleby accept Medicare assignment?
Yes. Dr. Karla Nockleby accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karla Nockleby 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.