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DR. WILLIAM DEWITT DAVIS MD. FAAP
NPI 1629130703
Pediatrics in Allegan, MI

Active since December 14, 2006PECOS Enrolled
551 LINN ST, ALLEGAN, MI 49010(269) 686-5800(269) 686-5899 Get Directions Write a Review

NPPES record last updated: December 7, 2011. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. William Dewitt Davis Md. Faap NPPES

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

DR. WILLIAM DEWITT DAVIS MD. FAAP (NPI 1629130703) is an individual pediatrics provider in Allegan, Michigan, licensed in Michigan (BD2336926) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1629130703
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameDR. WILLIAM DEWITT DAVISCredential: MD. FAAP
Location Address551 LINN STAllegan, MI 49010-1595
Mailing Address551 Linn StAllegan, MI 49010-1595 · (269) 686-5800 · Fax (269) 686-5899
Phone(269) 686-5800
Fax(269) 686-5899
Sole ProprietorNo
Enumeration DateDecember 14, 2006
Last NPPES UpdateDecember 7, 2011
✔ NPI 1629130703 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in MI · BD2336926
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
551 LINN ST, Allegan, MI 49010
Open in Google Maps ↗

Other Identifiers 2

Medicaid1898523MI
Other082949MI · State Lic #

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health 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 (PECOS)

Dr. William Dewitt Davis Md. Faap 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 William Davis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Beacon Allegan Inc
Same address
Rural Health
551 LINN ST
Allegan, MI 49010
  • Reassigned Medicare billing, Michigan enrollment
  • Medicare enrollment name: Ascension Borgess Allegan Hospital
  • Also billed through NPI 1295803377 (Michigan)
  • 41 clinicians in this Medicare group
NPI 1265910343 (269) 686-5800

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 49010 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
$84.74 typical visit price
range $54.34 – $166.68
Typical copayment $21.18 (range $13.58 – $41.67)
Most-billed visit code 99203
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.

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.

HOLLAND FOOT AND ANKLE CENTER, PC
Durable Medical Equipment & Medical Supplies
551 LINN ST
ALLEGAN, MI 49010
Allegan County (616) 392-7472
JOHN MULDER PAC
Physician Assistant
551 LINN ST
ALLEGAN, MI 49010
Allegan County (269) 686-5877
ANDREA LANDIS PA-C
Physician Assistant
551 LINN ST
ALLEGAN, MI 49010
Allegan County (269) 686-5800
MRS. JENNIFER ANN DENTLER NP-C
Nurse Practitioner (Family)
551 LINN ST
ALLEGAN, MI 49010
Allegan County (269) 686-5800
ADVANCED CARDIAC HEALTHCARE, PLC
Internal Medicine (Cardiovascular Disease)
551 LINN ST
ALLEGAN, MI 49010
Allegan County (269) 373-1592
SUSAN ROOD LMSW
Social Worker
551 LINN ST, SUITE 230
ALLEGAN, MI 49010
Allegan County (269) 686-4110
ALLEGAN MEDICAL CENTER PHARMACY
Pharmacy
551 LINN ST, SUITE 120
ALLEGAN, MI 49010
Allegan County (269) 673-4700
ALLEGAN PROFESSIONAL HEALTH SERVICES INC
Clinic/Center (Multi-Specialty)
551 LINN ST, SUITE 150
ALLEGAN, MI 49010
Allegan County (269) 686-5800

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 William Davis's NPI number?

The NPI number for William Davis is 1629130703. It was assigned to this individual provider in the NPPES registry on December 14, 2006.

Where is William Davis located?

William Davis practices at 551 Linn St, Allegan, MI 49010. The listed phone number is (269) 686-5800.

What is William Davis's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is William Davis enrolled in Medicare?

Yes. William Davis is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for William Davis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Davis reassigns Medicare benefits to Beacon Allegan Inc (Allegan, 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 William Davis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does William Davis accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 1 other insurer list William Davis 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 William Davis was last updated on December 7, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.