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DR. ZACHARY AARON POUNDERS DO
NPI 1841726965
Internal Medicine - Medical Oncology in Grand Rapids, MI

Active since May 10, 2017PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
145 MICHIGAN ST SE STE 2200, GRAND RAPIDS, MI 49503(616) 486-6700 Get Directions Write a Review

NPPES record last updated: March 17, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Mar 17, 2026, Sep 6, 2023, Aug 29, 2023 and 3 more (6 updates tracked since 2017).

About Dr. Zachary Aaron Pounders Do NPPES

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

DR. ZACHARY AARON POUNDERS DO (NPI 1841726965) is an individual medical oncology provider in Grand Rapids, Michigan, licensed in Michigan (5101025500) and active in the NPI registry since May 2017. He is enrolled in Medicare PECOS, is affiliated with Spectrum Health United Hospital, and is a graduate of Other (2017).

NPPES Registry Identity

NPI1841726965
Entity TypeIndividualMale
Primary Taxonomy207RX0202X
Provider Legal NameDR. ZACHARY AARON POUNDERSCredential: DO
Location Address145 MICHIGAN ST SE STE 2200Grand Rapids, MI 49503-2562
Mailing Address100 Michigan St Ne # Mc845Grand Rapids, MI 49503-2560
Phone(616) 486-6700
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateMay 10, 2017
Last NPPES UpdateMarch 17, 20266 updates tracked since enumeration
NPPES CertifiedMarch 17, 2026
✔ NPI 1841726965 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RX0202X
License✔ Licensed in MI · 5101025500
Definition
An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.
Also ListedInternal MedicineTaxonomy 207R00000X · License 51010225500 (MI)
Also ListedInternal Medicine · Hematology & OncologyTaxonomy 207RH0003X · License 5101025500 (MI)
145 MICHIGAN ST SE STE 2200, Grand Rapids, MI 49503
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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, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Zachary Aaron Pounders Do 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 ID5890063887
PECOS Enrollment IDI20230808000549
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 9

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 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.
79 services41 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.
62 services34 patients
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.
26 services13 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
25 services23 patients
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.
21 services16 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
21 services17 patients

Hospital Affiliations CMS Care Compare 5

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

Spectrum Health United Hospital

Acute Care Hospitals · Greenville, MI
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number230035
Location615 S Bower StreetGreenville, MI 48838 · Montcalm County
Birthing friendly

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

Corewell Health Ludington Hospital

Acute Care Hospitals · Ludington, MI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230110
LocationOne N Atkinson DriveLudington, MI 49431 · Mason County
Emergency services Birthing friendly

Corewell Health Gerber Hospital

Critical Access Hospitals · Fremont, MI
OwnershipVoluntary non-profit - Private
CMS Certification Number231338
Location212 S Sullivan StFremont, MI 49412 · Newaygo County
Emergency services Birthing friendly

Corewell Health Pennock Hospital

Critical Access Hospitals · Hastings, MI
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number231339
Location1009 W Green StHastings, MI 49058 · Barry 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
$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.

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

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 Zachary Pounders's NPI number?

The NPI number for Zachary Pounders is 1841726965. It was assigned to this individual provider in the NPPES registry on May 10, 2017.

Where is Zachary Pounders located?

Zachary Pounders practices at 145 Michigan St SE Ste 2200, Grand Rapids, MI 49503. The listed phone number is (616) 486-6700.

What is Zachary Pounders's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Is Zachary Pounders enrolled in Medicare?

Yes. Zachary Pounders 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 Zachary Pounders accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, McLaren Health Plan Community and Priority Health list Zachary Pounders 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 Zachary Pounders affiliated with any hospitals?

According to CMS data, Zachary Pounders is affiliated with Spectrum Health United Hospital, Spectrum Health, Corewell Health Ludington Hospital, Corewell Health Gerber Hospital and Corewell Health Pennock Hospital.

When was this NPI record last updated?

The NPPES record for Zachary Pounders was last updated on March 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.