Doctor profile · Federal record

Dr. Jennafer Ottenheimer, PA-C

Physician Assistant · Lake Forest, IL

  • NPI 1356753016
  • Accepts Medicare
  • MIPS 91.3 / 100 · 2023
  • 12 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1000 N Westmoreland RD
Lake Forest, IL 600451658
(847) 582-2134
fax (847) 535-7285

Credentials & registration

NPPES · NUCC
NPI registered
May 2014 — 12 yrs on file
Profile last updated
June 30, 2021
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
Illinois #085005056

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1356753016. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
289
Distinct HCPCS
6
Medicare allowed
$19,797
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 124 66 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 68 52 $114
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 34 25 $71
99215 Established patient office or other outpatient visit, 40-54 minutes 32 26 $157
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 16 15 $117
99443 Telephone medical discussion with physician, 21-30 minutes 15 12 $114

In context: peer comparison

Among 14 peers in Lake Forest Physician Assistant, average services per provider: 56. This provider delivers 5.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$650
Transactions
7
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 4 $282.37
E.R. Squibb & Sons, L.L.C. 1 $133.44
AstraZeneca Pharmaceuticals Lp 1 $121.86
Emd Serono, INC. 1 $112.76

By nature of payment

Food and Beverage
$650

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
49
Patients
0
Total drug cost
$19,236
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 21 0 $18,704
Acyclovir Generic 17 0 $179
Anastrozole Generic 11 0 $353

Frequently asked questions

Auto-generated from federal data
What is Dr. Jennafer Ottenheimer's medical specialty?
Dr. Jennafer Ottenheimer practices Physician Assistant in Lake Forest, IL.
Where does Dr. Jennafer Ottenheimer practice?
Dr. Jennafer Ottenheimer practices at 1000 N Westmoreland RD, Lake Forest, IL 600451658. Office phone: 8475822134.
What is Dr. Jennafer Ottenheimer's NPI?
Dr. Jennafer Ottenheimer's National Provider Identifier (NPI) is 1356753016, issued by NPPES.
Does Dr. Jennafer Ottenheimer accept Medicare assignment?
Yes. Dr. Jennafer Ottenheimer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jennafer Ottenheimer commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.