Jennifer Hayashi, M.D.
NPI 1497705636 · Geriatric Medicine (Internal Medicine) Physician · Baltimore, MD
Enrolled with Medicare as Practitioner - Geriatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jennifer Hayashi, M.D. is a Geriatric Medicine (Internal Medicine) Physician provider in Baltimore, MD (NPI 1497705636).
Provider details
- NPI number
- 1497705636
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- D62032 (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
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-10
- Last updated
- 2010-02-02
Frequently asked questions
- What is Jennifer Hayashi's NPI number?
- Jennifer Hayashi's National Provider Identifier (NPI) is 1497705636, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jennifer Hayashi's specialty?
- Jennifer Hayashi is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Jennifer Hayashi located?
- Jennifer Hayashi's practice location on file with NPPES is 4940 Eastern Ave, Baltimore, MD 21224-2735.
- What is Jennifer Hayashi's phone number?
- The practice phone number listed in the NPPES registry for Jennifer Hayashi is (410) 550-0925.
- Does Jennifer Hayashi accept Medicare?
- Jennifer Hayashi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jennifer Hayashi's NPI active?
- Yes — Jennifer Hayashi's NPI (1497705636) is active in the NPPES registry as of the last update on 2010-02-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.