IndividualActive
Mary Herden, MD
NPI 1508985300 · Pediatrics Physician · Bethesda, MD
Mary Herden, MD is a Pediatrics Physician provider in Bethesda, MD (NPI 1508985300).
Provider details
- NPI number
- 1508985300
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 12880 (AL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(89/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
8901 Rockville Pike
National Naval Medical Center
Bethesda, MD 20889-5600
Phone: (410) 631-7461
Approximate (ZIP-level) locationGet directions
Mailing address
119 Martin Ln
Alexandria, VA 22304-7748
Registry dates
- Enumerated
- 2007-03-29
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mary Herden's NPI number?
- Mary Herden's National Provider Identifier (NPI) is 1508985300, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Herden's specialty?
- Mary Herden is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Herden located?
- Mary Herden's practice location on file with NPPES is 8901 Rockville Pike, Bethesda, MD 20889-5600.
- What is Mary Herden's phone number?
- The practice phone number listed in the NPPES registry for Mary Herden is (410) 631-7461.
- Is Mary Herden's NPI active?
- Yes — Mary Herden's NPI (1508985300) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.