1. Home
  2. Directory
  3. Wisconsin
  4. Marshfield
  5. Psychiatry Neurology
  6. NPI Profile

DR. AJAY KUMAR PARSAIK M.D.
NPI 1740523844
Psychiatry & Neurology - Psychiatry in Marshfield, WI

Active since March 27, 2013PECOS EnrolledAccepts Medicare Assignment
78.85/100
CMS Quality Rating
1000 N OAK AVE, MARSHFIELD, WI 54449(715) 387-5511 Get Directions Write a Review

NPPES record last updated: February 16, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Ajay Kumar Parsaik M.d. NPPES

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

DR. AJAY KUMAR PARSAIK M.D. (NPI 1740523844) is an individual psychiatry provider in Marshfield, Wisconsin, licensed in Wisconsin (66878-20) and active in the NPI registry since March 2013. He is enrolled in Medicare PECOS, is affiliated with Marshfield Medical Center, and is a graduate of Other (2005).

NPPES Registry Identity

NPI1740523844
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. AJAY KUMAR PARSAIKCredential: M.D.
Location Address1000 N OAK AVEMarshfield, WI 54449-5702
Mailing Address1000 N Oak AveMarshfield, WI 54449-5703 · (715) 387-5511 · Fax (715) 387-5240
Phone(715) 387-5511
Sole ProprietorNo
Medical School CMSOtherGraduated 2005
Enumeration DateMarch 27, 2013
Last NPPES UpdateFebruary 16, 2024
NPPES CertifiedFebruary 16, 2024
✔ NPI 1740523844 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in WI · 66878-20
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
1000 N OAK AVE, Marshfield, WI 54449
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, HealthPartners, Sanford Health Plan and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Ajay Kumar Parsaik M.d. 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 ID6103195094
PECOS Enrollment IDI20170710000500
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.

Medicare Billing Reassignments

2

Medicare enrollment records show Ajay Parsaik reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Marshfield Clinic Inc
Same address
Clinic/Center
1000 N OAK AVE
Marshfield, WI 54449
  • Reassigned Medicare billing, Wisconsin enrollment
  • 2,540 clinicians in this Medicare group
NPI 1952347981 (715) 387-5511
Mchs Hospitals Inc
Same address
Clinic/Center
1000 N OAK AVE
Marshfield, WI 54449
  • Reassigned Medicare billing, Wisconsin enrollment
  • 2,476 clinicians in this Medicare group
NPI 1093221434 (715) 387-5511

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 8

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.

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.
890 services232 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.
256 services97 patients
Telephone medical discussion with physician, 21-30 minutes 99443
This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.
140 services57 patients
Therapy using electrical currents 90870
Therapy using electrical currents, also known as electrotherapy, involves applying small electrical pulses to your body to stimulate healing. It can help manage pain, improve circulation, repair tissues, and strengthen muscles. It's a safe, non-invasive treatment often used in physical therapy.
57 services12 patients
Telephone medical discussion with physician, 21-30 minutes 99443
This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.
28 services20 patients
Telephone medical discussion with physician, 11-20 minutes 99442
This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.
27 services20 patients

Hospital Affiliations CMS Care Compare

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

Marshfield Medical Center

Acute Care Hospitals · Marshfield, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number520037
Location611 St Joseph AveMarshfield, WI 54449 · Wood County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 54449 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
$163.24 typical visit price
range $53.90 – $163.24
Typical copayment $40.81 (range $13.47 – $40.81)
Most-billed visit code 99205
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.

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.

78.85/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality66.68
Promoting Interoperability99
Improvement Activities40
Cost54.87

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.

ALISON RAE SAMPSON D.O.
Obstetrics & Gynecology
1000 N OAK AVE
MARSHFIELD, WI 54449
Wood County (715) 387-5161
TAMARA L. LEAHY NP
Nurse Practitioner
1000 N OAK AVE
MARSHFIELD, WI 54449
Wood County (800) 782-8581
SAMANTHA ELAINE MOORE RD, CD, CDCES
Dietitian, Registered
1000 N OAK AVE
MARSHFIELD, WI 54449
Wood County (715) 389-7464
ROBERT BUNDY
Student in an Organized Health Care Education/Training Program
1000 N OAK AVE
MARSHFIELD, WI 54449
Wood County (715) 387-5511
EUGENE H. LARSON PA
Physician Assistant
1000 N OAK AVE
MARSHFIELD, WI 54449
Wood County (715) 387-5245
JAMES SKIBBA CRNA
Nurse Anesthetist, Certified Registered
1000 N OAK AVE
MARSHFIELD, WI 54449
Wood County (715) 387-7179
KENNETH E ENGELHART MD
Internal Medicine
1000 N OAK AVE
MARSHFIELD, WI 54449
Wood County (715) 387-5704
KRISTIN M GERNDT MD
Radiology (Vascular & Interventional Radiology)
1000 N OAK AVE
MARSHFIELD, WI 54449
Wood County (715) 389-3474

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 Ajay Parsaik's NPI number?

The NPI number for Ajay Parsaik is 1740523844. It was assigned to this individual provider in the NPPES registry on March 27, 2013.

Where is Ajay Parsaik located?

Ajay Parsaik practices at 1000 N Oak Ave, Marshfield, WI 54449. The listed phone number is (715) 387-5511.

What is Ajay Parsaik's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Ajay Parsaik enrolled in Medicare?

Yes. Ajay Parsaik 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.

Which organizations bill Medicare for Ajay Parsaik's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ajay Parsaik reassigns Medicare benefits to 2 organizations: Marshfield Clinic Inc (Marshfield, WI) and Mchs Hospitals Inc (Marshfield, WI). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ajay Parsaik's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ajay Parsaik accept?

Health plans from Anthem Blue Cross and Blue Shield, HealthPartners, Sanford Health Plan, Security Health Plan and UnitedHealthcare list Ajay Parsaik 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 Ajay Parsaik affiliated with any hospitals?

According to CMS data, Ajay Parsaik is affiliated with Marshfield Medical Center.

When was this NPI record last updated?

The NPPES record for Ajay Parsaik was last updated on February 16, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.