What is Stephen Hyland's NPI number?

Stephen Hyland's National Provider Identifier (NPI) is 1174508816, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Stephen Hyland's specialty?

Stephen Hyland is listed in the NPPES registry with a primary specialty of Preventive Medicine/Occupational Environmental Medicine Physician (Allopathic & Osteopathic Physicians).

Where is Stephen Hyland located?

Stephen Hyland's practice location on file with NPPES is 1434 Porter St, Frederick, MD 21702-9254.

What is Stephen Hyland's phone number?

The practice phone number listed in the NPPES registry for Stephen Hyland is (571) 231-2003.

Is Stephen Hyland's NPI active?

Yes — Stephen Hyland's NPI (1174508816) is active in the NPPES registry as of the last update on 2025-06-23.

IndividualActive

Stephen Hyland, MD

NPI 1174508816 · Preventive Medicine/Occupational Environmental Medicine Physician · Frederick, MD

Stephen Hyland, MD is a Preventive Medicine/Occupational Environmental Medicine Physician provider in Frederick, MD (NPI 1174508816).

Provider details

NPI number: 1174508816
Entity type: Individual
Primary specialty: Preventive Medicine/Occupational Environmental Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: No
License: 50639 (GA)

Specialties & taxonomies

Preventive Medicine/Occupational Environmental Medicine PhysicianPrimary2083P0500XLicense 50639 (GA)
Allopathic & Osteopathic Physicians
Family Medicine Physician207Q00000XLicense 50639 (GA)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(95/100 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
2 documented practice locations

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

1434 Porter St

Frederick, MD 21702-9254

Phone: (571) 231-2003

Street-level locationGet directions

More MD providers

Mailing address

1434 Porter St

Frederick, MD 21702-9254

Additional practice locations (1)

9300 Dewitt Loop
Fort Belvoir, VA 22060-5285
Phone: (571) 231-2003

Enumerated: 2005-12-14
Last updated: 2025-06-23
Certified: 2025-06-23

Frequently asked questions

What is Stephen Hyland's NPI number?: Stephen Hyland's National Provider Identifier (NPI) is 1174508816, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Stephen Hyland's specialty?: Stephen Hyland is listed in the NPPES registry with a primary specialty of Preventive Medicine/Occupational Environmental Medicine Physician (Allopathic & Osteopathic Physicians).
Where is Stephen Hyland located?: Stephen Hyland's practice location on file with NPPES is 1434 Porter St, Frederick, MD 21702-9254.
What is Stephen Hyland's phone number?: The practice phone number listed in the NPPES registry for Stephen Hyland is (571) 231-2003.
Is Stephen Hyland's NPI active?: Yes — Stephen Hyland's NPI (1174508816) is active in the NPPES registry as of the last update on 2025-06-23.

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