Steven C. Marks, MD, PA
NPI 1902085988 · Otolaryngology Physician · Havre De Grace, MD
Steven C. Marks, MD, PA is a Otolaryngology Physician organization in Havre De Grace, MD (NPI 1902085988).
Provider details
- NPI number
- 1902085988
- Entity type
- Organization
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Steven Marks, President(410) 939-3933
- License
- D36768 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
Mailing address
Registry dates
- Enumerated
- 2007-10-26
- Last updated
- 2007-10-26
Frequently asked questions
- What is Steven C. Marks, MD, PA's NPI number?
- Steven C. Marks, MD, PA's National Provider Identifier (NPI) is 1902085988, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Steven C. Marks, MD, PA?
- Steven C. Marks, MD, PA is classified in the NPPES registry as Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is Steven C. Marks, MD, PA located?
- Steven C. Marks, MD, PA's practice location on file with NPPES is 456 Alliance St, Havre De Grace, MD 21078-3559.
- What is Steven C. Marks, MD, PA's phone number?
- The practice phone number listed in the NPPES registry for Steven C. Marks, MD, PA is (410) 939-3933.
- Who is the authorized official for Steven C. Marks, MD, PA?
- The authorized official listed on Steven C. Marks, MD, PA's NPPES record is Steven Marks, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Steven C. Marks, MD, PA's NPI active?
- Yes — Steven C. Marks, MD, PA's NPI (1902085988) is active in the NPPES registry as of the last update on 2007-10-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.