What is Stephen Warren's NPI number?

Stephen Warren's National Provider Identifier (NPI) is 1851403158, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Stephen Warren's specialty?

Stephen Warren is listed in the NPPES registry with a primary specialty of Endodontics (Dental Providers).

Where is Stephen Warren located?

Stephen Warren's practice location on file with NPPES is 1901 Hammonds Ferry Road, Baltimore, MD 21227.

What is Stephen Warren's phone number?

The practice phone number listed in the NPPES registry for Stephen Warren is (410) 247-5566.

Is Stephen Warren's NPI active?

Yes — Stephen Warren's NPI (1851403158) is active in the NPPES registry as of the last update on 2010-04-06.

IndividualActive

Stephen Warren, D.M.D.

NPI 1851403158 · Endodontics · Baltimore, MD

Stephen Warren, D.M.D. is a Endodontics provider in Baltimore, MD (NPI 1851403158).

Provider details

NPI number: 1851403158
Entity type: Individual
Primary specialty: EndodonticsDental Providers
Credential: D.M.D.
Sex: Male
Sole proprietor: Yes
License: 6667 (MD)

Practice location

1901 Hammonds Ferry Road

Baltimore, MD 21227

Phone: (410) 247-5566

Street-level locationGet directions

More MD providers

Mailing address

1435 Putty Hill Ave

Towson, MD 21286-8026

Specialties & taxonomies

EndodonticsPrimary1223E0200XLicense 6667 (MD)
Dental Providers

Profile Score

Detailed profile(91/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
20 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.

Enumerated: 2006-08-31
Last updated: 2010-04-06

Frequently asked questions

What is Stephen Warren's NPI number?: Stephen Warren's National Provider Identifier (NPI) is 1851403158, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Stephen Warren's specialty?: Stephen Warren is listed in the NPPES registry with a primary specialty of Endodontics (Dental Providers).
Where is Stephen Warren located?: Stephen Warren's practice location on file with NPPES is 1901 Hammonds Ferry Road, Baltimore, MD 21227.
What is Stephen Warren's phone number?: The practice phone number listed in the NPPES registry for Stephen Warren is (410) 247-5566.
Is Stephen Warren's NPI active?: Yes — Stephen Warren's NPI (1851403158) is active in the NPPES registry as of the last update on 2010-04-06.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions