Tiffany Marchewka, DO
NPI 1326605494 · Critical Care Medicine (Internal Medicine) Physician · Royal Oak, MI
Enrolled with Medicare as Order and Referring Only - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tiffany Marchewka, DO is a Critical Care Medicine (Internal Medicine) Physician provider in Royal Oak, MI (NPI 1326605494).
Provider details
- NPI number
- 1326605494
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- 5151013577 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
7 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- 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.
$789 across 11 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
Additional practice locations (1)
- 28050 Grand River AveFarmington Hills, MI 48336-5919Phone: (947) 521-7386
Registry dates
- Enumerated
- 2019-05-23
- Last updated
- 2024-04-11
- Certified
- 2024-04-11
Frequently asked questions
- What is Tiffany Marchewka's NPI number?
- Tiffany Marchewka's National Provider Identifier (NPI) is 1326605494, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tiffany Marchewka's specialty?
- Tiffany Marchewka is listed in the NPPES registry with a primary specialty of Critical Care Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Tiffany Marchewka located?
- Tiffany Marchewka's practice location on file with NPPES is 3601 W 13 Mile Rd, Royal Oak, MI 48073-6712.
- What is Tiffany Marchewka's phone number?
- The practice phone number listed in the NPPES registry for Tiffany Marchewka is (248) 898-5000.
- Does Tiffany Marchewka accept Medicare?
- Tiffany Marchewka is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tiffany Marchewka's NPI active?
- Yes — Tiffany Marchewka's NPI (1326605494) is active in the NPPES registry as of the last update on 2024-04-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.