Quick answers
- Where does John Ohlhaver see patients?
- Medicare's clinician data lists 9 practice locations, including Odenton, MD, Gambrills, MD and Annapolis, MD. Call before your visit to confirm the address.
- What is John Ohlhaver's specialty?
- Medicare lists Physical Therapist in Private Practice as the primary specialty.
- Does John Ohlhaver accept Medicare assignment?
- Yes. Medicare's clinician data says John Ohlhaver 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.
- What is the phone number for John Ohlhaver?
- (410) 674-1650, as listed in official Medicare / NPI Registry data.
- What is John Ohlhaver's NPI number?
- 1801228242. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where John Ohlhaver is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 9; the Medicare profile lists all.
- 1106 Annapolis Rd, Suite 120Odenton, MD 21113 (410) 674‑1650
- 1153 State Route 3 N, Suite 35Gambrills, MD 21054
- 1332 Cape St Claire RdAnnapolis, MD 21409 (443) 481‑1140
- 161 Jennifer Rd, Suite AAnnapolis, MD 21401 (443) 481‑1140
- 1630 Main St, Suite 109Chester, MD 21619
Group practices
Medicare enrollment lists John Ohlhaver as a member of this group (CMS data updated 2026-10-02).
- LHMG Physical Therapy, LLC96 clinicians in the group
Specialties
Find other clinicians: Physical Therapist in Private Practice, Maryland →
Other physical therapists in Odenton
Clinicians with the same Medicare primary specialty in Odenton, MD — not a recommendation.
Clinician information
| Credential | PT |
|---|---|
| Graduation year | 2013 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1801228242 |
| 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
- 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