Active NPI 1356753016 Individual Practitioner Female Practitioner

Jennafer Birne Ottenheimer , PA-C

Physician Assistant • Lake Forest, IL

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Jennafer Ottenheimer, PA-C is a certified Physician Assistant practicing in Lake Forest, IL. With approximately 12 years of clinical experience since completing medical education in 2014, Jennafer Ottenheimer delivers high-quality medical care to the local community at 1000 N WESTMORELAND RD.

Jennafer Ottenheimer is affiliated with Northwestern Medical Faculty Foundation and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include insertion of needle into vein for collection of blood sample, established patient outpatient office visit, subsequent hospital care with moderate levelof medical decision making, if using time, at least. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1000 N Westmoreland Rd

Lake Forest, IL 600451658

Telephone 8475822134

Fax 8475357285

Associated Practice Facility / Clinic

🏢 Northwestern Lake Forest Hospital Facility NPI 1124025176

Medicare Profile & Education

Medical School

Other

Graduation Year

2014

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Lake Forest, IL

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

12 Yrs +4.0 yrs vs City Avg

City Avg: 8.0 Yrs

State Avg: 11.7 Yrs

Regional Practice Density

62 Specialists

Practicing in Lake Forest, IL (4958 Statewide)

Telehealth Adoption Rate

17.7% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

67.2% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Ottenheimer (12 Years) 12 Yrs

Lake Forest Specialty Average (8.0 Years) 8.0 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	152	56	$20.00	$8.65
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	70	52	$323.00	$112.34
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	27	22	$217.00	$67.87
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	24	20	$434.00	$158.34
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	23	22	$499.43	$113.01
99443 Telephone medical discussion with physician, 21-30 minutes	12	12	$250.00	$111.49

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	124	66	$20.00	$8.40
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	68	52	$323.00	$113.77
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	34	25	$217.00	$70.71
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	32	26	$434.00	$157.31
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	16	15	$485.25	$116.68
99443 Telephone medical discussion with physician, 21-30 minutes	15	12	$250.00	$114.23

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	66	50	$217.36	$63.68
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	44	30	$323.00	$114.62
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	44	43	$463.50	$121.40
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	31	24	$434.00	$165.58
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	28	19	$311.00	$91.19
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	14	14	$617.71	$176.99
99443 Telephone medical discussion with physician, 21-30 minutes	13	12	$250.00	$116.89
99231 Follow-up hospital inpatient care per day, typically 15 minutes	12	12	$119.00	$34.80

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	117	75	$186.85	$64.61
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	50	48	$221.00	$90.54
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	31	31	$367.00	$123.10
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	29	21	$275.00	$93.88
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	16	16	$320.00	$135.49
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	11	11	$323.00	$119.17

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	213	105	$187.25	$66.08
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	94	88	$228.82	$72.56
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	40	40	$378.40	$118.69
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	27	25	$265.30	$96.17
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	25	25	$331.48	$103.36
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	22	22	$258.64	$70.90
99443 Telephone medical discussion with physician, 21-30 minutes	11	11	$210.00	$73.57

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	164	74	$173.90	$66.47
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	32	31	$221.00	$71.76
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	14	11	$249.07	$94.92
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	13	13	$363.31	$118.94

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	183	77	$175.00	$65.74
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	57	51	$221.00	$70.70
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	33	33	$367.00	$118.12
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	25	25	$465.00	$154.43
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	23	19	$253.00	$94.04
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	17	15	$320.00	$100.15
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	12	12	$261.00	$71.11

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	309	125	$175.00	$64.63
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	72	72	$367.00	$117.50
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	46	40	$221.00	$70.85
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	33	33	$465.00	$154.56
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	23	23	$261.00	$70.73
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	21	20	$253.00	$94.23
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	21	18	$320.00	$100.34

Medical Specialties & State Licenses

CMS Verified: 2021-06-30

Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License IL 085005056

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Hospital & Practice Group Affiliations

Northwestern Medical Faculty Foundation

600 N Westmoreland Rd, Lake Forest, IL 600451659

Phone: 8475359510

Northwestern Medical Faculty Foundation

1000 N Westmoreland Rd, Lake Forest, IL 600451659

Phone: 8475358500

Northwestern Medical Faculty Foundation

675 N St Clair, Chicago, IL 606115975

Northwestern Medical Faculty Foundation

675 N Saint Clair St, Chicago, IL 606115975

Northwestern Medical Faculty Foundation

660 N Westmoreland Rd, Lake Forest, IL 600451673

Phone: 3129266146

Northwestern Medical Faculty Foundation

1200 N Westmoreland Rd, Lake Forest, IL 600451601

Phone: 8477358500

Northwestern Medical Faculty Foundation

1475 E Belvidere Rd, Grayslake, IL 600302012

Northwestern Medical Faculty Foundation

660 N Westmoreland Rd, Lake Forest, IL 600451659

Phone: 8472345600

Northwestern Medical Faculty Foundation

1000 Westmoreland Rd, Lake Forest, IL 600451659

Phone: 8472345600

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

23 Associated Practitioners

Casey Dugan , PA-C

Physician Assistant

NPI 1013508852

Physician Assistant (Certified)

Kate Niesen , PA-C

Physician Assistant

NPI 1063036093

Physician Assistant (Certified)

Dr. Roger Hecker , MD

Internal Medicine

NPI 1083630925

Doctor of Medicine (M.D.)

Dr. Dean Tsarwhas , MD

Internal Medicine - Medical Oncology

NPI 1093797987

Doctor of Medicine (M.D.)

Charlotte Ghena , CGC

Genetic Counselor, MS

NPI 1104433184

Dr. Bindiya Patel , MD

Internal Medicine - Hematology & Oncology

NPI 1184087173

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

8 Historical Events

📍

Updated Practice Location June 30, 2021

Registered at 1000 N WESTMORELAND RD, LAKE FOREST, IL 600451658 (Tel: 8475822134)

📍

Updated Business Mailing Address June 30, 2021

Registered at 1000 N WESTMORELAND RD, LAKE FOREST, IL 600451658 (Tel: 8475822134)

✅

NPI Profile Active May 28, 2014

NPI status registered as active in NPPES database

📍

Updated Practice Location May 28, 2014

Registered at 2642 N RACINE AVE APT 1S, CHICAGO, IL 606141295 (Tel: 2165703442)

📍

Updated Business Mailing Address May 28, 2014

Registered at 2642 N RACINE AVE APT 1S, CHICAGO, IL 606141295 (Tel: 2165703442)

👤

Provider Name / Credentials Updated May 28, 2014

Recorded as JENNAFER OTTENHEIMER, PA-C

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) May 28, 2014

Physician Assistant (License #085005056 in IL)

🟢

Initial NPI Registration & Enumeration May 28, 2014

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1356753016

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: May 28, 2014

Last Update: June 30, 2021

Sole Proprietor: No

Update or Correct Profile

Mailing Address

1000 N Westmoreland Rd

Lake Forest, IL 600451658

Phone: 8475822134

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.