What is Ronald Maggiore's NPI number?

Ronald Maggiore's National Provider Identifier (NPI) is 1609834977, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Ronald Maggiore's specialty?

Ronald Maggiore is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).

Where is Ronald Maggiore located?

Ronald Maggiore's practice location on file with NPPES is 2366 Oak Valley Dr, Ann Arbor, MI 48103.

What is Ronald Maggiore's phone number?

The practice phone number listed in the NPPES registry for Ronald Maggiore is (877) 227-8823.

Is Ronald Maggiore's NPI active?

Yes — Ronald Maggiore's NPI (1609834977) is active in the NPPES registry as of the last update on 2022-05-12.

IndividualActive

Ronald Maggiore, M.D.

NPI 1609834977 · Medical Oncology Physician · Ann Arbor, MI

Ronald Maggiore, M.D. is a Medical Oncology Physician provider in Ann Arbor, MI (NPI 1609834977).

Provider details

NPI number: 1609834977
Entity type: Individual
Primary specialty: Medical Oncology PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Male
Sole proprietor: No
License: 48589 (WI)

Specialties & taxonomies

Medical Oncology PhysicianPrimary207RX0202XLicense 4301506862 (MI)
Allopathic & Osteopathic Physicians
Internal Medicine Physician207R00000XLicense 48589 (WI)
Allopathic & Osteopathic Physicians
Geriatric Medicine (Internal Medicine) Physician207RG0300XLicense 036-124824 (IL)
Allopathic & Osteopathic Physicians
Hematology (Internal Medicine) Physician207RH0000XLicense 286694 (NY)
Allopathic & Osteopathic Physicians
Hematology (Internal Medicine) Physician207RH0000XLicense 045699 (CT)
Allopathic & Osteopathic Physicians
Hematology & Oncology Physician207RH0003X

Profile Score

Detailed profile(95/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
20 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
2 documented practice locations

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

2366 Oak Valley Dr

Ann Arbor, MI 48103

Phone: (877) 227-8823

Fax: (313) 578-6393

Street-level locationGet directions

More MI providers

Mailing address

400 Galleria Officentre Ste 400

Southfield, MI 48034-2162

Additional practice locations (1)

601 Elmwood Ave
Rochester, NY 14642-2964
Phone: (585) 275-5823
Fax: (585) 273-1051

Enumerated: 2006-05-03
Last updated: 2022-05-12
Certified: 2022-05-12

Frequently asked questions

What is Ronald Maggiore's NPI number?: Ronald Maggiore's National Provider Identifier (NPI) is 1609834977, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Ronald Maggiore's specialty?: Ronald Maggiore is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
Where is Ronald Maggiore located?: Ronald Maggiore's practice location on file with NPPES is 2366 Oak Valley Dr, Ann Arbor, MI 48103.
What is Ronald Maggiore's phone number?: The practice phone number listed in the NPPES registry for Ronald Maggiore is (877) 227-8823.
Is Ronald Maggiore's NPI active?: Yes — Ronald Maggiore's NPI (1609834977) is active in the NPPES registry as of the last update on 2022-05-12.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.