DR. NATHAN POMEROY MD, MPH
NPI 1043338650
Internal Medicine - Endocrinology, Diabetes & Metabolism in Grand Rapids, MI

Active since March 26, 2007PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
221 MICHIGAN ST NE, SUITE 200, GRAND RAPIDS, MI 49503(616) 284-8950 Get Directions Write a Review

NPPES record last updated: February 18, 2021. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Dr. Nathan Pomeroy Md, Mph NPPES

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

DR. NATHAN POMEROY MD, MPH (NPI 1043338650) is an individual endocrinology, diabetes & metabolism provider in Grand Rapids, Michigan, licensed in Michigan (4301081774) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS, is affiliated with Spectrum Health United Hospital, and is a graduate of University Of Michigan Medical School (2003).

NPPES Registry Identity

NPI1043338650
Entity TypeIndividualMale
Primary Taxonomy207RE0101X
Provider Legal NameDR. NATHAN POMEROYCredential: MD, MPH
Location Address221 MICHIGAN ST NE, SUITE 200Grand Rapids, MI 49503-2543
Mailing Address100 Michigan St Ne, Mc 845Grand Rapids, MI 49503-2560
Sole ProprietorNo
Medical School CMSUniversity Of Michigan Medical SchoolGraduated 2003
Enumeration DateMarch 26, 2007
Last NPPES UpdateFebruary 18, 2021
NPPES CertifiedFebruary 18, 2021
NPI 1043338650 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License Licensed in MI · 4301081774
Definition

An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.

Also ListedInternal MedicineTaxonomy 207R00000X · License 4301081774 (MI)
221 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. Nathan Pomeroy Md, Mph 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 ID4183792930
PECOS Enrollment IDI20081006000692
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 2024 & 2026 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, 20-29 minutes 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.
95 services91 patients
Established patient office or other outpatient visit, 30-39 minutes 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.
67 services60 patients
Injection of drug or substance under skin or into muscle 96372
This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.
55 services12 patients
Hemoglobin a1c level 83036
Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.
47 services39 patients
Blood glucose (sugar) level 82947
A blood glucose level test measures the amount of sugar in your blood. It's often used to monitor and manage conditions like diabetes. High or low levels can indicate a health issue. The test is usually done by pricking your finger for a small blood sample.
42 services38 patients
New patient office or other outpatient visit, 45-59 minutes 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
33 services33 patients

Hospital Affiliations CMS Care Compare 3

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 Big Rapids Hospital

Acute Care Hospitals · Big Rapids, MI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230093
Location605 Oak StreetBig Rapids, MI 49307 · Mecosta 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

Referred Medical Equipment & Supplies CMS DME claims 4

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

Supplies for maintenance of insulin infusion catheter, per week A4224
DME-Other DME · category DE017N
2 suppliers16 claims184 services$17.53 avg. paid by Medicare
Supplies for external insulin infusion pump, syringe type cartridge, sterile, each A4225
DME-Other DME · category DE017N
2 suppliers16 claims520 services$2.38 avg. paid by Medicare
Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
20 suppliers42 claims168 services$5.39 avg. paid by Medicare
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
7 suppliers111 claims111 services$182.94 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Audiologist
221 MICHIGAN ST NE, STE. 502
GRAND RAPIDS, MI 49503
Nurse Practitioner
221 MICHIGAN ST NE
GRAND RAPIDS, MI 49503
Durable Medical Equipment & Medical Supplies
221 MICHIGAN ST NE, STE. 502
GRAND RAPIDS, MI 49503
Clinical Nurse Specialist (Women's Health)
221 MICHIGAN ST NE, SUITE 600
GRAND RAPIDS, MI 49503
Otolaryngology
221 MICHIGAN ST NE
GRAND RAPIDS, MI 49503
Durable Medical Equipment & Medical Supplies
221 MICHIGAN ST NE, SUITE 502
GRAND RAPIDS, MI 49503
Nurse Practitioner
221 MICHIGAN ST NE, SUITE 200
GRAND RAPIDS, MI 49503
Audiologist
221 MICHIGAN ST NE, SUITE 200
GRAND RAPIDS, MI 49503

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1043338650, enumerated as an "individual" on March 26, 2007.

The provider is located at 221 MICHIGAN ST NE SUITE 200 GRAND RAPIDS, MI 49503 and the phone number is (616) 284-8950.

Internal Medicine with taxonomy code 207RE0101X and a focus in Endocrinology, Diabetes & Metabolism.

The provider might be accepting Accepts: Ambetter from Buckeye Health Plan, Ambetter from. Please consult your insurance carrier or call the provider to verify.

Nathan Pomeroy is affiliated with: SPECTRUM HEALTH UNITED HOSPITAL, SPECTRUM HEALTH and COREWELL HEALTH BIG RAPIDS HOSPITAL.