Timothy Ung, M.D.
NPI 1487017778 · Neurological Surgery Physician · Aurora, CO
Enrolled with Medicare as Practitioner - Neurosurgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy Ung, M.D. is a Neurological Surgery Physician provider in Aurora, CO (NPI 1487017778).
Provider details
- NPI number
- 1487017778
- Entity type
- Individual
- Primary specialty
- Neurological Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- DR.0060203 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
10 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
134 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Computer-Assisted Procedure Inside Brain61781 | 22 | $226 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 20 | $48 |
| Use of Operating Microscope69990 | 16 | $209 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 16 | $128 |
| Removal of Skull Bone for Removal of Growth of Upper Brain61510 | 14 | $2,169 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$400 across 5 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 13001 E 17th PlAurora, CO 80045-2570Phone: (303) 724-2302
Registry dates
- Enumerated
- 2016-04-04
- Last updated
- 2023-08-01
- Certified
- 2023-08-01
Frequently asked questions
- What is Timothy Ung's NPI number?
- Timothy Ung's National Provider Identifier (NPI) is 1487017778, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Ung's specialty?
- Timothy Ung is listed in the NPPES registry with a primary specialty of Neurological Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Timothy Ung located?
- Timothy Ung's practice location on file with NPPES is 1635 Aurora Ct, Aurora, CO 80045-2541.
- What is Timothy Ung's phone number?
- The practice phone number listed in the NPPES registry for Timothy Ung is (720) 848-0000.
- Does Timothy Ung accept Medicare?
- Timothy Ung is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Timothy Ung's NPI active?
- Yes — Timothy Ung's NPI (1487017778) is active in the NPPES registry as of the last update on 2023-08-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.