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TAMARA GRISSMAN PA-C
NPI 1093022519
Physician Assistant in Oconomowoc, WI

Active since September 03, 2010PECOS EnrolledAccepts Medicare Assignment
1284 N SUMMIT AVE, OCONOMOWOC, WI 53066(262) 560-3700(262) 560-3759 Get Directions Write a Review

NPPES record last updated: October 13, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Nov 23, 2021, Mar 17, 2018, Dec 18, 2017 (3 updates tracked since 2017).

About Tamara Grissman Pa-c NPPES

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

TAMARA GRISSMAN PA-C (NPI 1093022519) is an individual physician assistant in Oconomowoc, Wisconsin, licensed in Wisconsin (2652-023) and active in the NPI registry since September 2010. She is enrolled in Medicare PECOS and is a graduate of Other (2010).

NPPES Registry Identity

NPI1093022519
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameTAMARA GRISSMANCredential: PA-C
Location Address1284 N SUMMIT AVEOconomowoc, WI 53066-4459
Mailing AddressPo Box 735044Chicago, IL 60673-5044 · (800) 326-2250
Phone(262) 560-3700
Fax(262) 560-3759
Sole ProprietorNo
Medical School CMSOtherGraduated 2010
Enumeration DateSeptember 3, 2010
Last NPPES UpdateOctober 13, 20253 updates tracked since enumeration
NPPES CertifiedOctober 13, 2025
✔ NPI 1093022519 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in WI · 2652-023
Definition
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.
Also ListedPhysician Assistant · SurgicalTaxonomy 363AS0400X · License 2652-023 (WI)
1284 N SUMMIT AVE, Oconomowoc, WI 53066
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Other Identifiers 1

Medicaid100011873WI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource (Common Ground Healthcare), UnitedHealthcare.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

Tamara Grissman Pa-c 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 ID9931388840
PECOS Enrollment IDI20110125000366
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53066 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
$67.37 typical visit price
range $17.40 – $133.76
Typical copayment $16.84 (range $4.35 – $33.44)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 15

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

STEPHANIE LYNN BONDIOLI RPH
Pharmacist
1284 N SUMMIT AVE
OCONOMOWOC, WI 53066
Waukesha County (262) 569-8204
MS. KAREN L YOUNGQUIST APNP
Nurse Practitioner
1284 N SUMMIT AVE
OCONOMOWOC, WI 53066
Waukesha County (262) 569-3080
ALYSSA WALKER APNP
Nurse Practitioner
1284 N SUMMIT AVE
OCONOMOWOC, WI 53066
Waukesha County (262) 560-3700
DR. RICHARD N TERRY DO
Family Medicine
1284 N SUMMIT AVE
OCONOMOWOC, WI 53066
Waukesha County (262) 560-3700
BRITTANY L SCHLICHT NP-C
Nurse Practitioner
1284 N SUMMIT AVE
OCONOMOWOC, WI 53066
Waukesha County (262) 569-3080
ANGELA EGGLESTON PHARMD
Pharmacist
1284 N SUMMIT AVE, SUITE 100
OCONOMOWOC, WI 53066
Waukesha County (262) 569-8204
LYNNE NEVERS-HOEFT APNP
Nurse Practitioner
1284 N SUMMIT AVE
OCONOMOWOC, WI 53066
Waukesha County (262) 569-3080
DR. THOMAS F WINTERS MD
Family Medicine
1284 N SUMMIT AVE
OCONOMOWOC, WI 53066
Waukesha County (262) 569-3080

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 Tamara Grissman's NPI number?

The NPI number for Tamara Grissman is 1093022519. It was assigned to this individual provider in the NPPES registry on September 3, 2010.

Where is Tamara Grissman located?

Tamara Grissman practices at 1284 N Summit Ave, Oconomowoc, WI 53066. The listed phone number is (262) 560-3700.

What is Tamara Grissman's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Tamara Grissman enrolled in Medicare?

Yes. Tamara Grissman 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 Tamara Grissman accept?

Health plans from CareSource (Common Ground Healthcare) and UnitedHealthcare list Tamara Grissman 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.

When was this NPI record last updated?

The NPPES record for Tamara Grissman was last updated on October 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.