DR. WILLIAM ANTHONY DE LAS NAVAS M.D.
NPI 1447699343
Internal Medicine in Grand Rapids, MI

Active since June 24, 2013PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
100 MICHIGAN ST NE, GRAND RAPIDS, MI 49503(616) 391-3139 Get Directions Write a Review

NPPES record last updated: February 25, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. William Anthony De Las Navas M.d. NPPES

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

DR. WILLIAM ANTHONY DE LAS NAVAS M.D. (NPI 1447699343) is an individual internal medicine provider in Grand Rapids, Michigan, licensed in Michigan (4301102586) and active in the NPI registry since June 2013. He is enrolled in Medicare PECOS, is affiliated with Spectrum Health, and is a graduate of Michigan State University College Of Human Medicine (2012).

NPPES Registry Identity

NPI1447699343
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. WILLIAM ANTHONY DE LAS NAVASCredential: M.D.
Location Address100 MICHIGAN ST NEGrand Rapids, MI 49503-2560
Mailing Address100 Michigan St Ne # Mc845Grand Rapids, MI 49503-2560
Sole ProprietorYes
Medical School CMSMichigan State University College Of Human MedicineGraduated 2012
Enumeration DateJune 24, 2013
Last NPPES UpdateFebruary 25, 2021
NPPES CertifiedFebruary 25, 2021
NPI 1447699343 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in MI · 4301102586
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
100 MICHIGAN ST NE, Grand Rapids, MI 49503

Accepted Insurance

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

Dr. William Anthony De Las Navas 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 ID5193016889
PECOS Enrollment IDI20170707001787
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.

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.
158 services59 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
139 services56 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
60 services59 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.
18 services18 patients

Hospital Affiliations CMS Care Compare

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

Spectrum Health

Acute Care Hospitals · Grand Rapids, MI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230038
Location100 Michigan St NEGrand Rapids, MI 49503 · Kent County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 49503 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
$126.15 typical visit price
range $54.34 – $166.68
Typical copayment $31.53 (range $13.58 – $41.67)
Most-billed visit code 99204
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.

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.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality87.54
Promoting Interoperability100
Improvement Activities40

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
100 MICHIGAN ST NE, SUITE A721
GRAND RAPIDS, MI 49503
Anesthesiology
100 MICHIGAN ST NE
GRAND RAPIDS, MI 49503
Internal Medicine
100 MICHIGAN ST NE
GRAND RAPIDS, MI 49503
Physical Therapist
100 MICHIGAN ST NE
GRAND RAPIDS, MI 49503
Anesthesiology
100 MICHIGAN ST NE
GRAND RAPIDS, MI 49503
Emergency Medicine
100 MICHIGAN ST NE, MC 71
GRAND RAPIDS, MI 49503
Emergency Medicine
100 MICHIGAN ST NE
GRAND RAPIDS, MI 49503
Physician Assistant
100 MICHIGAN ST NE, SUITE 8861
GRAND RAPIDS, MI 49503

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 De Las Navas's NPI number?

The NPI number for William De Las Navas is 1447699343. It was assigned to this individual provider in the NPPES registry on June 24, 2013.

Where is William De Las Navas located?

William De Las Navas practices at 100 Michigan St NE, Grand Rapids, MI 49503. The listed phone number is (616) 391-3139.

What is William De Las Navas's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is William De Las Navas enrolled in Medicare?

Yes. William De Las Navas 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.

What insurance does William De Las Navas accept?

Health plans from Priority Health list William De Las Navas 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 William De Las Navas affiliated with any hospitals?

According to CMS data, William De Las Navas is affiliated with Spectrum Health.

When was this NPI record last updated?

The NPPES record for William De Las Navas was last updated on February 25, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.