HOLLY VANDERWERFF
NPI 1194195966
Physician Assistant in Troy, MI

Active since October 05, 2015PECOS EnrolledAccepts Medicare Assignment
4600 INVESTMENT DR, STE 300, TROY, MI 48098(248) 267-5000(248) 267-5001 Get Directions Write a Review

NPPES record last updated: October 5, 2015. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Holly Vanderwerff NPPES

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

HOLLY VANDERWERFF (NPI 1194195966) is an individual physician assistant in Troy, Michigan, licensed in Michigan (5601007515) and active in the NPI registry since October 2015. She is enrolled in Medicare PECOS, is affiliated with Beaumont Hospital Royal Oak, and is a graduate of Other (2015).

NPPES Registry Identity

NPI1194195966
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameHOLLY VANDERWERFF
Location Address4600 INVESTMENT DR, STE 300Troy, MI 48098-6365
Mailing Address4600 Investment Dr, Ste 300Troy, MI 48098-6365 · (248) 267-5000 · Fax (248) 267-5001
Fax(248) 267-5001
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateOctober 5, 2015
NPI 1194195966 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License Licensed in MI · 5601007515
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.

4600 INVESTMENT DR, Troy, MI 48098

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

Holly Vanderwerff 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 ID3577873710
PECOS Enrollment IDI20151030000977
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 4

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 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.
33 services31 patients
Destruction of skin growth, 1-14 growths 17110
"Destruction of skin growth" refers to a procedure where 1-14 abnormal skin growths are removed. This is done using methods such as freezing, burning, or laser therapy. It helps prevent the growth from causing discomfort or turning into a more serious condition.
21 services18 patients
Destruction of precancer skin growth, 1 growth 17000
"Destruction of precancer skin growth" is a procedure that eliminates a single precancerous skin growth. This is done to prevent it from developing into skin cancer. The growth may be removed using various methods such as cryotherapy (freezing), laser therapy, or topical medications.
20 services19 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 services16 patients

Hospital Affiliations CMS Care Compare

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

Beaumont Hospital Royal Oak

Acute Care Hospitals · Royal Oak, MI
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230130
Location3601 W Thirteen Mile RdRoyal Oak, MI 48073 · Oakland County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48098 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
$90.76 typical visit price
range $58.04 – $177.36
Typical copayment $22.69 (range $14.51 – $44.34)
Most-billed visit code 99203
Established Patient
$72.38 typical visit price
range $18.32 – $143.49
Typical copayment $18.09 (range $4.58 – $35.87)
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 20

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

Internal Medicine (Gastroenterology)
4600 INVESTMENT DR, STE 380
TROY, MI 48098
Internal Medicine (Cardiovascular Disease)
4600 INVESTMENT DR, SUITE 200
TROY, MI 48098
Internal Medicine (Gastroenterology)
4600 INVESTMENT DR, STE 380
TROY, MI 48098
Internal Medicine (Gastroenterology)
4600 INVESTMENT DR, SUITE 380
TROY, MI 48098
Physician Assistant (Medical)
4600 INVESTMENT DR, SUITE 200
TROY, MI 48098
Internal Medicine (Nephrology)
4600 INVESTMENT DR, STE 290
TROY, MI 48098
Allergy & Immunology
4600 INVESTMENT DR, #110
TROY, MI 48098
Internal Medicine
4600 INVESTMENT DR, STE 300
TROY, MI 48098

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 Holly Vanderwerff's NPI number?

The NPI number for Holly Vanderwerff is 1194195966. It was assigned to this individual provider in the NPPES registry on October 5, 2015.

Where is Holly Vanderwerff located?

Holly Vanderwerff practices at 4600 Investment Dr Ste 300, Troy, MI 48098. The listed phone number is (248) 267-5000.

What is Holly Vanderwerff's specialty?

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

Is Holly Vanderwerff enrolled in Medicare?

Yes. Holly Vanderwerff 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.

Is Holly Vanderwerff affiliated with any hospitals?

According to CMS data, Holly Vanderwerff is affiliated with Beaumont Hospital Royal Oak.

When was this NPI record last updated?

The NPPES record for Holly Vanderwerff was last updated on October 5, 2015. NPI Profile syncs with the weekly NPPES data releases published by CMS.