Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ALYSON HOLZEN NURSE PRACTITIONER
NPI 1598539439
Nurse Practitioner - Acute Care in Sterling Heights, MI

Q: What is Alyson Holzen's NPI number?

The NPI number for Alyson Holzen is 1598539439. It was assigned to this individual provider in the NPPES registry on November 10, 2023. The provider is also known as Alyson Pinelli.

Q: What is Alyson Holzen's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Q: When was this NPI record last updated?

The NPPES record for Alyson Holzen was last updated on October 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 days 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.

Active since November 10, 2023PECOS Enrolled

39880 VAN DYKE AVE STE 202, STERLING HEIGHTS, MI 48313(313) 403-8787(313) 370-5660 Get Directions Write a Review

NPPES record last updated: October 15, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Oct 15, 2026, Sep 1, 2026, Nov 10, 2023 (3 updates tracked since 2023).

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About Alyson Holzen Nurse Practitioner NPPES

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

ALYSON HOLZEN NURSE PRACTITIONER (NPI 1598539439) is an individual acute care provider in Sterling Heights, Michigan, licensed in Michigan (4704314633) and active in the NPI registry since November 2023. She is enrolled in Medicare PECOS and maintains a secondary practice location in Mount Clemens.

NPPES Registry Identity

NPI1598539439

Entity TypeIndividualFemale

Primary Taxonomy363LA2100X

Provider Legal NameALYSON HOLZENCredential: NURSE PRACTITIONER

Location Address39880 VAN DYKE AVE STE 202Sterling Heights, MI 48313-4670

Mailing Address39880 Van Dyke Ave Ste 202Sterling Heights, MI 48313-4670 · (313) 403-8787 · Fax (313) 370-5660

Phone(313) 403-8787

Fax(313) 370-5660

Sole ProprietorYes

Enumeration DateNovember 10, 2023

Last NPPES UpdateOctober 15, 20263 updates tracked since enumeration

NPPES CertifiedOctober 15, 2026

✔ NPI 1598539439 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LA2100X

License✔ Licensed in MI · 4704314633

39880 VAN DYKE AVE STE 202, Sterling Heights, MI 48313

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Other Names 1

Former Name (1)Alyson Pinelli

Secondary Practice Location 1

Location 11000 Harrington StMount Clemens, MI 48043-2920 · Phone (596) 480-6407

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Priority Health.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Alyson Holzen Nurse Practitioner is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 3

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.

122 services107 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

33 services33 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

32 services31 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48313 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

$102.35 typical visit price

range $18.32 – $143.49

Typical copayment $25.58 (range $4.58 – $35.87)

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.

Other Providers at the Same Location NPPES 4

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

ALI AL-KHAFAJI

Physician Assistant

39880 VAN DYKE AVE STE 202
STERLING HEIGHTS, MI 48313

Macomb County (313) 403-8787

ABRAR MOHAMMAD-CARTER NP

Nurse Practitioner (Family)

39880 VAN DYKE AVE STE 202
STERLING HEIGHTS, MI 48313

Macomb County (313) 403-8787

DR. ROGER STANLEY HARRIS D.O.

Family Medicine

39880 VAN DYKE AVE STE 202
STERLING HEIGHTS, MI 48313

Macomb County (586) 264-7930

VISITING WOUND SPECIALISTS & PRIMARY CARE PLLC

Family Medicine

39880 VAN DYKE AVE STE 202
STERLING HEIGHTS, MI 48313

Macomb County (248) 376-9797

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 Alyson Holzen's NPI number?

The NPI number for Alyson Holzen is 1598539439. It was assigned to this individual provider in the NPPES registry on November 10, 2023. The provider is also known as Alyson Pinelli.

Where is Alyson Holzen located?

Alyson Holzen practices at 39880 Van Dyke Ave Ste 202, Sterling Heights, MI 48313. The listed phone number is (313) 403-8787.

What is Alyson Holzen's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Alyson Holzen enrolled in Medicare?

Yes. Alyson Holzen is registered in the Medicare PECOS enrollment system.

What insurance does Alyson Holzen accept?

Health plans from Priority Health list Alyson Holzen 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 Alyson Holzen was last updated on October 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 days 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.