Matthias Kretzler, MD
NPI 1710990916 · Nephrology Physician · Ann Arbor, MI
Matthias Kretzler, MD is a Nephrology Physician provider in Ann Arbor, MI (NPI 1710990916).
Provider details
- NPI number
- 1710990916
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4301086946 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$17,423 across 20 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-15
- Last updated
- 2019-06-27
Frequently asked questions
- What is Matthias Kretzler's NPI number?
- Matthias Kretzler's National Provider Identifier (NPI) is 1710990916, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthias Kretzler's specialty?
- Matthias Kretzler is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Matthias Kretzler located?
- Matthias Kretzler's practice location on file with NPPES is 1500 E Medical Center Dr, Ann Arbor, MI 48109-5000.
- What is Matthias Kretzler's phone number?
- The practice phone number listed in the NPPES registry for Matthias Kretzler is (734) 936-4000.
- Is Matthias Kretzler's NPI active?
- Yes — Matthias Kretzler's NPI (1710990916) is active in the NPPES registry as of the last update on 2019-06-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.