GREGORY J DEINES DO
NPI 1427098532
Internal Medicine - Endocrinology, Diabetes & Metabolism in Grand Rapids, MI

Active since June 07, 2006PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
221 MICHIGAN ST NE, STE 200, GRAND RAPIDS, MI 49503(616) 267-8950 Get Directions Write a Review

NPPES record last updated: March 2, 2021. Verified against the NPPES registry weekly; last sync: September 06, 2026.

About Gregory J Deines Do NPPES

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

GREGORY J DEINES DO (NPI 1427098532) is an individual endocrinology, diabetes & metabolism provider in Grand Rapids, Michigan, licensed in Michigan (5101013842) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Spectrum Health United Hospital, and is a graduate of Michigan State University College Of Osteopathic Medicine (1998).

NPPES Registry Identity

NPI1427098532
Entity TypeIndividualMale
Primary Taxonomy207RE0101X
Provider Legal NameGREGORY J DEINESCredential: DO
Location Address221 MICHIGAN ST NE, STE 200Grand Rapids, MI 49503-2543
Mailing Address100 Michigan St Ne, Mc 845Grand Rapids, MI 49503-2560
Sole ProprietorNo
Medical School CMSMichigan State University College Of Osteopathic MedicineGraduated 1998
Enumeration DateJune 7, 2006
Last NPPES UpdateMarch 2, 2021
NPPES CertifiedMarch 2, 2021
NPI 1427098532 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License Licensed in MI · 5101013842
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.
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

Gregory J Deines 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 ID4880739440
PECOS Enrollment IDI20100306000383
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.

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.
115 services83 patients
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 95251
This procedure involves placing a small sensor under your skin to continuously monitor your blood sugar levels in tissue fluid. The data is interpreted and a report is generated to help manage your diabetes more effectively.
85 services63 patients
Diabetes outpatient self-management training services, individual, per 30 minutes G0108
This service involves personalized training sessions, each lasting 30 minutes, to help manage diabetes. It includes guidance on monitoring blood sugar, healthy eating, physical activity, medication usage, and dealing with daily challenges of living with diabetes.
68 services42 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.
12 services12 patients

Hospital Affiliations CMS Care Compare 4

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 Reed City Hospital

Critical Access Hospitals · Reed City, MI
OwnershipVoluntary non-profit - Private
CMS Certification Number231323
Location300 N Patterson, PO Box 75Reed City, MI 49677 · Osceola County
Emergency services

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
$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 6

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
4 suppliers59 claims716 services$18.08 avg. paid by Medicare
Supplies for external insulin infusion pump, syringe type cartridge, sterile, each A4225
DME-Other DME · category DE017N
4 suppliers62 claims2,200 services$2.31 avg. paid by Medicare
Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
12 suppliers20 claims109 services$5.61 avg. paid by Medicare
External ambulatory infusion pump, insulin E0784
DME-Other DME · category DE017N
3 suppliers73 claims73 services$298.82 avg. paid by Medicare
Insulin for administration through dme (i.e., insulin pump) per 50 units J1817
Treatment-Injections and Infusions (nononcologic) · category RI000N
9 suppliers31 claims3,760 services$6.60 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
13 suppliers331 claims331 services$181.13 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.

Internal Medicine
221 MICHIGAN ST NE, SUITE 200
GRAND RAPIDS, MI 49503
Dietitian, Registered
221 MICHIGAN ST NE, SUITE 200
GRAND RAPIDS, MI 49503
Surgery
221 MICHIGAN ST NE
GRAND RAPIDS, MI 49503
Nurse Practitioner
221 MICHIGAN ST NE, SUITE 200
GRAND RAPIDS, MI 49503
Internal Medicine (Endocrinology, Diabetes & Metabolism)
221 MICHIGAN ST NE, SUITE 200
GRAND RAPIDS, MI 49503
Physician Assistant
221 MICHIGAN ST NE, SUITE 200
GRAND RAPIDS, MI 49503
Obstetrics & Gynecology
221 MICHIGAN ST NE, SUITE 600
GRAND RAPIDS, MI 49503
Audiologist
221 MICHIGAN ST NE, SUITE 200
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 Gregory Deines's NPI number?

The NPI number for Gregory Deines is 1427098532. It was assigned to this individual provider in the NPPES registry on June 7, 2006.

Where is Gregory Deines located?

Gregory Deines practices at 221 Michigan St NE Ste 200, Grand Rapids, MI 49503. The listed phone number is (616) 267-8950.

What is Gregory Deines's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Gregory Deines enrolled in Medicare?

Yes. Gregory Deines 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 Gregory Deines 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 2 other insurers list Gregory Deines 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 Gregory Deines affiliated with any hospitals?

According to CMS data, Gregory Deines is affiliated with Spectrum Health United Hospital, Spectrum Health, Corewell Health Reed City Hospital and Corewell Health Pennock Hospital.

When was this NPI record last updated?

The NPPES record for Gregory Deines was last updated on March 2, 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.