Robert Gorsen, M.D., PH.D.
NPI 1285851303 · Neurological Surgery Physician · Annandale, VA
Enrolled with Medicare as Practitioner - Neurosurgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Gorsen, M.D., PH.D. is a Neurological Surgery Physician provider in Annandale, VA (NPI 1285851303).
Provider details
- NPI number
- 1285851303
- Entity type
- Individual
- Primary specialty
- Neurological Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., PH.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 0101042525 (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
19 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
221 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 102 | $100 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 62 | $123 |
| Partial Removal of Spine Bone With Release of Spinal Cord And/Or Nerves, Each Additional Segment63048 | 40 | $229 |
| Partial Removal of Spine Bone With Release of Lower Spinal Cord And/Or Nerves, 1 Segment63047 | 17 | $1,091 |
Typical Medicare-allowed amounts for these services range $100–$1,091 (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
- 2007-04-19
- Last updated
- 2010-03-15
Frequently asked questions
- What is Robert Gorsen's NPI number?
- Robert Gorsen's National Provider Identifier (NPI) is 1285851303, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Gorsen's specialty?
- Robert Gorsen is listed in the NPPES registry with a primary specialty of Neurological Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Gorsen located?
- Robert Gorsen's practice location on file with NPPES is 3301 Woodburn Rd, Annandale, VA 22003-1229.
- What is Robert Gorsen's phone number?
- The practice phone number listed in the NPPES registry for Robert Gorsen is (703) 573-4700.
- Does Robert Gorsen accept Medicare?
- Robert Gorsen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Gorsen's NPI active?
- Yes — Robert Gorsen's NPI (1285851303) is active in the NPPES registry as of the last update on 2010-03-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.