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STEVEN JAMES HAMBERG MD
NPI 1447207709
Internal Medicine - Geriatric Medicine in Holland, MI

Active since May 30, 2006PECOS Enrolled
745 W 26TH ST, HOLLAND, MI 49423(616) 267-7668 Get Directions Write a Review

NPPES record last updated: November 21, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 21, 2022, Feb 10, 2022, Mar 5, 2021 (3 updates tracked since 2021).

About Steven James Hamberg Md NPPES

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

STEVEN JAMES HAMBERG MD (NPI 1447207709) is an individual geriatric medicine provider in Holland, Michigan, licensed in Michigan (4301048859) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1447207709
Entity TypeIndividualMale
Primary Taxonomy207RG0300X
Provider Legal NameSTEVEN JAMES HAMBERGCredential: MD
Location Address745 W 26TH STHolland, MI 49423-4572
Mailing Address745 W 26th StHolland, MI 49423-4572
Phone(616) 267-7668
Sole ProprietorNo
Enumeration DateMay 30, 2006
Last NPPES UpdateNovember 21, 20223 updates tracked since enumeration
NPPES CertifiedNovember 21, 2022
✔ NPI 1447207709 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Geriatric MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RG0300X
License✔ Licensed in MI · 4301048859
Definition
An internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes and the hospital.
745 W 26TH ST, Holland, MI 49423
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Steven James Hamberg Md 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.

Medicare Billing Reassignment

Medicare enrollment records show Steven Hamberg reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Spectrum Health Primary Care Partners
3.6 mi
Audiologist
588 E LAKEWOOD BLVD
Holland, MI 49424
  • Reassigned Medicare billing, Michigan enrollment
  • 2,446 clinicians in this Medicare group
NPI 1538487400 (616) 494-5860

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 49423 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
$166.68 typical visit price
range $54.34 – $166.68
Typical copayment $41.67 (range $13.58 – $41.67)
Most-billed visit code 99205
Established Patient
$96.44 typical visit price
range $17.09 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
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.

Referred Medical Equipment & Supplies CMS DME claims 5

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

Hospital bed, semi-electric (head and foot adjustment), with any type side rails, with mattress E0260
DME-Hospital Beds · category DB000N
2 suppliers11 claims12 services$54.04 avg. paid by Medicare
Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
3 suppliers13 claims13 services$16.34 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
3 suppliers13 claims13 services$73.40 avg. paid by Medicare
Standard wheelchair K0001
DME-Wheelchairs · category DD000N
1 supplier14 claims14 services$11.47 avg. paid by Medicare
Lightweight wheelchair K0003
DME-Wheelchairs · category DD000N
3 suppliers20 claims20 services$28.69 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Steven Hamberg's NPI number?

The NPI number for Steven Hamberg is 1447207709. It was assigned to this individual provider in the NPPES registry on May 30, 2006.

Where is Steven Hamberg located?

Steven Hamberg practices at 745 W 26th St, Holland, MI 49423. The listed phone number is (616) 267-7668.

What is Steven Hamberg's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Geriatric Medicine, with taxonomy code 207RG0300X.

Is Steven Hamberg enrolled in Medicare?

Yes. Steven Hamberg is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Steven Hamberg's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Steven Hamberg reassigns Medicare benefits to Spectrum Health Primary Care Partners (Holland, MI). The 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 Steven Hamberg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Steven Hamberg was last updated on November 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.