Marc Maddox, M.D.., PH.D
NPI 1770947954 · Anesthesiology Physician · Oklahoma City, OK
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marc Maddox, M.D.., PH.D is a Anesthesiology Physician provider in Oklahoma City, OK (NPI 1770947954).
Provider details
- NPI number
- 1770947954
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.., PH.D
- Sex
- Male
- Sole proprietor
- No
- License
- 32203 (OK)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
10 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.
$30 across 2 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
- 2016-04-13
- Last updated
- 2020-05-21
- Certified
- 2020-05-21
Frequently asked questions
- What is Marc Maddox's NPI number?
- Marc Maddox's National Provider Identifier (NPI) is 1770947954, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marc Maddox's specialty?
- Marc Maddox is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Marc Maddox located?
- Marc Maddox's practice location on file with NPPES is 1000 N Lee Ave, Oklahoma City, OK 73102-1036.
- What is Marc Maddox's phone number?
- The practice phone number listed in the NPPES registry for Marc Maddox is (405) 272-8000.
- Does Marc Maddox accept Medicare?
- Marc Maddox is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marc Maddox's NPI active?
- Yes — Marc Maddox's NPI (1770947954) is active in the NPPES registry as of the last update on 2020-05-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.