Amy Marks, DO
NPI 1922200070 · Pediatric Allergy/Immunology Physician · Royal Oak, MI
Enrolled with Medicare as Practitioner - Allergy/Immunology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Amy Marks, DO is a Pediatric Allergy/Immunology Physician provider in Royal Oak, MI (NPI 1922200070).
Provider details
- NPI number
- 1922200070
- Entity type
- Individual
- Primary specialty
- Pediatric Allergy/Immunology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- 5101018682 (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
3 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.
$55 across 1 record (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 (2)
- 3535 W 13 Mile Rd Ste 307Royal Oak, MI 48073-6770Phone: (248) 551-2400Fax: (248) 551-6556
- 44199 Dequindre Rd Ste 615Troy, MI 48085-1128Phone: (248) 964-9660Fax: (248) 964-9665
Registry dates
- Enumerated
- 2007-06-01
- Last updated
- 2020-10-23
- Certified
- 2020-10-23
Frequently asked questions
- What is Amy Marks's NPI number?
- Amy Marks's National Provider Identifier (NPI) is 1922200070, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Amy Marks's specialty?
- Amy Marks is listed in the NPPES registry with a primary specialty of Pediatric Allergy/Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is Amy Marks located?
- Amy Marks's practice location on file with NPPES is 3535 W 13 Mile Rd Ste 305, Royal Oak, MI 48073-6770.
- What is Amy Marks's phone number?
- The practice phone number listed in the NPPES registry for Amy Marks is (248) 551-3070.
- Does Amy Marks accept Medicare?
- Amy Marks is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Amy Marks's NPI active?
- Yes — Amy Marks's NPI (1922200070) is active in the NPPES registry as of the last update on 2020-10-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.