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DR. GREGORY L MILLER DO
NPI 1821040783
Internal Medicine in Tucson, AZ

Active since May 17, 2006PECOS EnrolledAccepts Medicare Assignment
7040 E GOLF LINKS RD, TUCSON, AZ 85730(520) 200-6709(520) 532-1602 Get Directions Write a Review

NPPES record last updated: September 18, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Sep 18, 2025, Jan 3, 2023, Mar 4, 2019 and 1 more (4 updates tracked since 2018).

About Dr. Gregory L Miller Do NPPES

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

DR. GREGORY L MILLER DO (NPI 1821040783) is an individual internal medicine provider in Tucson, Arizona, licensed in Arizona (4005) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Holland, and is a graduate of Ohio University, College Of Osteopathic Medicine (1984).

NPPES Registry Identity

NPI1821040783
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. GREGORY L MILLERCredential: DO
Location Address7040 E GOLF LINKS RDTucson, AZ 85730-1000
Mailing AddressPo Box 746093Atlanta, GA 30374-6093 · (520) 200-6709 · Fax (520) 532-1602
Phone(520) 200-6709
Fax(520) 532-1602
Sole ProprietorNo
Medical School CMSOhio University, College Of Osteopathic MedicineGraduated 1984
Enumeration DateMay 17, 2006
Last NPPES UpdateSeptember 18, 20254 updates tracked since enumeration
NPPES CertifiedSeptember 18, 2025
✔ NPI 1821040783 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in AZ · 4005✔ Licensed in NM · 4005
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.
Also ListedEmergency MedicineTaxonomy 207P00000X · License 34-003773 (OH), 69191 (WI)
7040 E GOLF LINKS RD, Tucson, AZ 85730
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Secondary Practice Location 1

Location 18054 Lea CtHolland, OH 43528-8042 · Phone (419) 868-5596 · Fax (419) 868-5597

Other Identifiers 1

Medicaid064-0944OH

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource (Common Ground Healthcare), Medica, Priority Health.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. Gregory L Miller 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 ID547281230
PECOS Enrollment IDI20060706000065
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 straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
275 services105 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
80 services80 patients
New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more 99202
This service involves an initial visit to the doctor's office or other outpatient setting. It typically lasts between 15-29 minutes. The doctor will review your medical history, conduct a physical examination, and discuss your health concerns. It's a chance to establish your health baseline and address any immediate medical issues.
38 services38 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.
25 services23 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85730 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
$127.71 typical visit price
range $55.44 – $168.60
Typical copayment $31.92 (range $13.86 – $42.15)
Most-billed visit code 99204
Established Patient
$98.00 typical visit price
range $17.72 – $137.41
Typical copayment $24.50 (range $4.43 – $34.35)
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 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SUSAN MUSICK CARDONA FNP
Nurse Practitioner (Family)
7040 E GOLF LINKS RD
TUCSON, AZ 85730
Pima County (520) 200-6709
MS. JESSICA A KERR PA-C
Physician Assistant
7040 E GOLF LINKS RD
TUCSON, AZ 85730
Pima County (520) 200-6709
VANICA CASWELL RN
Nurse Practitioner (Family)
7040 E GOLF LINKS RD
TUCSON, AZ 85730
Pima County (520) 200-6709

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 Miller's NPI number?

The NPI number for Gregory Miller is 1821040783. It was assigned to this individual provider in the NPPES registry on May 17, 2006.

Where is Gregory Miller located?

Gregory Miller practices at 7040 E Golf Links Rd, Tucson, AZ 85730. The listed phone number is (520) 200-6709.

What is Gregory Miller's specialty?

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

Is Gregory Miller enrolled in Medicare?

Yes. Gregory Miller 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 Miller accept?

Health plans from CareSource (Common Ground Healthcare), Medica and Priority Health list Gregory Miller 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 Gregory Miller was last updated on September 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.