Quick answers
- Which hospitals does Tammy D. Hadley work at?
- Medicare's official clinician data lists Tammy D. Hadley at 1 hospital: The Johns Hopkins Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Tammy D. Hadley see patients?
- Medicare's clinician data lists 1 practice location in Lutherville, MD. Call before your visit to confirm the address.
- What is Tammy D. Hadley's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Tammy D. Hadley accept Medicare assignment?
- Yes. Medicare's clinician data says Tammy D. Hadley accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Tammy D. Hadley offer telehealth?
- Medicare's clinician data says Tammy D. Hadley offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Tammy D. Hadley?
- (410) 616-2804, as listed in official Medicare / NPI Registry data.
- What is Tammy D. Hadley's NPI number?
- 1598766958. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Tammy D. Hadley works
Medicare's Facility Affiliation Data lists Tammy D. Hadley at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- The Johns Hopkins HospitalBaltimore, MD · Acute Care Hospital · CCN 210009
Practice locations
Addresses where Tammy D. Hadley is enrolled with Medicare (CMS data updated 2026-10-02).
- 2328 W Joppa Rd, Suite 310Lutherville, MD 21093 (410) 616‑2804
Group practices
Medicare enrollment lists Tammy D. Hadley as a member of this group (CMS data updated 2026-10-02).
- Greenspring Personal Medicine, LLC6 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Lutherville
Clinicians with the same Medicare primary specialty in Lutherville, MD — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Johns Hopkins University School Of Medicine |
| Graduation year | 1992 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1598766958 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians