Jonathan Gilhooly, MD
NPI 1558333849 · Neurological Surgery Physician · Bethesda, MD
Enrolled with Medicare as Practitioner - Neurosurgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jonathan Gilhooly, MD is a Neurological Surgery Physician provider in Bethesda, MD (NPI 1558333849).
Provider details
- NPI number
- 1558333849
- Entity type
- Individual
- Primary specialty
- Neurological Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 0101235184 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
67 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 33 | $136 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 18 | $125 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 16 | $122 |
Typical Medicare-allowed amounts for these services range $122–$136 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-02
- Last updated
- 2014-07-22
Frequently asked questions
- What is Jonathan Gilhooly's NPI number?
- Jonathan Gilhooly's National Provider Identifier (NPI) is 1558333849, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonathan Gilhooly's specialty?
- Jonathan Gilhooly is listed in the NPPES registry with a primary specialty of Neurological Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Jonathan Gilhooly located?
- Jonathan Gilhooly's practice location on file with NPPES is National Naval Medical Center, Bethesda, MD 20889-0001.
- What is Jonathan Gilhooly's phone number?
- The practice phone number listed in the NPPES registry for Jonathan Gilhooly is (301) 295-4420.
- Does Jonathan Gilhooly accept Medicare?
- Jonathan Gilhooly is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jonathan Gilhooly's NPI active?
- Yes — Jonathan Gilhooly's NPI (1558333849) is active in the NPPES registry as of the last update on 2014-07-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.