JENNIFER M. TIMMERMAN APNP
NPI 1649580283
Nurse Practitioner in Madison, WI

Active since October 18, 2010PECOS EnrolledAccepts Medicare Assignment
700 S PARK ST STE A, MADISON, WI 53715(608) 260-2900(608) 260-3447 Get Directions Write a Review

NPPES record last updated: January 26, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 26, 2026, Dec 23, 2020, Jan 11, 2019 and 1 more (4 updates tracked since 2018).

About Jennifer M. Timmerman Apnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JENNIFER M. TIMMERMAN APNP (NPI 1649580283) is an individual nurse practitioner in Madison, Wisconsin, licensed in Wisconsin (4190-33) and active in the NPI registry since October 2010. She is enrolled in Medicare PECOS, is affiliated with Ssm Health St Clare Hospital - Baraboo, and is a graduate of University Of Wisconsin School Of Medicine (2010).

NPPES Registry Identity

NPI1649580283
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameJENNIFER M. TIMMERMANCredential: APNP
Location Address700 S PARK ST STE AMadison, WI 53715-1830
Mailing Address700 S Park St Ste AMadison, WI 53715-1830 · (608) 260-2900 · Fax (608) 260-3447
Fax(608) 260-3447
Sole ProprietorNo
Medical School CMSUniversity Of Wisconsin School Of MedicineGraduated 2010
Enumeration DateOctober 18, 2010
Last NPPES UpdateJanuary 26, 20264 updates tracked since enumeration
NPPES CertifiedJanuary 26, 2026
NPI 1649580283 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License Licensed in WI · 4190-33
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
700 S PARK ST STE A, Madison, WI 53715

Other Names 1

Former Name (1)Jennifer M Zellmer Apnp

Other Identifiers 1

Medicaid1649580283WI

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Jennifer M. Timmerman Apnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6204022981
PECOS Enrollment IDI20101119000757
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
26 services23 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
23 services20 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
23 services20 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
16 services15 patients
Partial removal of spine bone with release of lower spinal cord and/or nerves, 1 segment 63047
This procedure involves removing part of a spine bone to alleviate pressure on the lower spinal cord and/or nerves. It targets a single segment of the spine, improving mobility and reducing pain. It's a common treatment for conditions like herniated discs or spinal stenosis.
15 services15 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
14 services11 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Ssm Health St Clare Hospital - Baraboo

Acute Care Hospitals · Baraboo, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520057
Location707 14th StBaraboo, WI 53913 · Sauk County
Emergency services Birthing friendly

Ssm Health St Mary's Hospital - Madison

Acute Care Hospitals · Madison, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520083
Location700 South Park StMadison, WI 53715 · Dane County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53715 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$82.92 typical visit price
range $53.90 – $163.24
Typical copayment $20.73 (range $13.47 – $40.81)
Most-billed visit code 99203
Established Patient
$95.41 typical visit price
range $17.40 – $133.76
Typical copayment $23.85 (range $4.35 – $33.44)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Colorectal Cancer Screening
Percentage of adults 50-75 years of age who had appropriate screening for colorectal cancer
43%40 patients2/55-star benchmark: 100%
Pneumococcal Vaccination Status for Older Adults
Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine
95%57 patients4/55-star benchmark: 100%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
26%66 patients2/55-star benchmark: 100%
Screening for Osteoporosis for Women Aged 65-85 Years of Age
Percentage of female patients aged 65-85 years of age who ever had a central dual-energy X-ray absorptiometry (DXA) to check for osteoporosis
73%26 patients3/55-star benchmark: 98%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tubing used with positive airway pressure device A7037
DME-Other DME · category DE001N
1 supplier15 claims15 services$14.58 avg. paid by Medicare
Filter, disposable, used with positive airway pressure device A7038
DME-Other DME · category DE001N
1 supplier12 claims72 services$2.25 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Psychiatry & Neurology (Neurology)
700 S PARK ST STE A
MADISON, WI 53715
Psychiatry & Neurology (Neurology)
700 S PARK ST STE A
MADISON, WI 53715
Nurse Practitioner
700 S PARK ST STE A
MADISON, WI 53715
Physician Assistant
700 S PARK ST STE A
MADISON, WI 53715
Physician Assistant
700 S PARK ST STE A
MADISON, WI 53715
Dietitian, Registered
700 S PARK ST STE A
MADISON, WI 53715
Surgery
700 S PARK ST STE A
MADISON, WI 53715
Physician Assistant
700 S PARK ST STE A
MADISON, WI 53715

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Jennifer Timmerman's NPI number?

The NPI number for Jennifer Timmerman is 1649580283. It was assigned to this individual provider in the NPPES registry on October 18, 2010. The provider is also known as Jennifer M Zellmer Apnp.

Where is Jennifer Timmerman located?

Jennifer Timmerman practices at 700 S Park St Ste A, Madison, WI 53715. The listed phone number is (608) 260-2900.

What is Jennifer Timmerman's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Jennifer Timmerman enrolled in Medicare?

Yes. Jennifer Timmerman is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Jennifer Timmerman accept?

Health plans from Anthem Blue Cross and Blue Shield list Jennifer Timmerman as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Jennifer Timmerman affiliated with any hospitals?

According to CMS data, Jennifer Timmerman is affiliated with Ssm Health St Clare Hospital - Baraboo and Ssm Health St Mary's Hospital - Madison.

When was this NPI record last updated?

The NPPES record for Jennifer Timmerman was last updated on January 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.