Diana Oyoung-Oliver, D.O.
NPI 1932513124 · Neurology Physician · Longmont, CO
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diana Oyoung-Oliver, D.O. is a Neurology Physician provider in Longmont, CO (NPI 1932513124).
Provider details
- NPI number
- 1932513124
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 0116031674 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
12 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
462 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 124 | $130 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 120 | $182 |
| Measurement of Brain Wave Activity With Video (veeg), 12-26 Hours With Review and Report By Health Care Professional95720 | 54 | $203 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 48 | $221 |
| Measurement of Brain Wave Activity (eeg), Awake and Drowsy95816 | 40 | $56 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 41 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Donepezil Hcl | 155 | 47 |
| Gabapentin | 135 | 33 |
| Topiramate | 93 | 12 |
| Atorvastatin Calcium | 93 | 27 |
| Pregabalin | 83 | 16 |
| Memantine Hcl | 79 | 27 |
| Lamotrigine | 71 | 19 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$184 across 3 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)
- 1250 E Marshall St Dept 980599Richmond, VA 23298Phone: (804) 828-9853
Registry dates
- Enumerated
- 2014-06-16
- Last updated
- 2019-07-16
Frequently asked questions
- What is Diana Oyoung-Oliver's NPI number?
- Diana Oyoung-Oliver's National Provider Identifier (NPI) is 1932513124, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diana Oyoung-Oliver's specialty?
- Diana Oyoung-Oliver is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Diana Oyoung-Oliver located?
- Diana Oyoung-Oliver's practice location on file with NPPES is 1925 Mountain View Ave, Longmont, CO 80501-3128.
- What is Diana Oyoung-Oliver's phone number?
- The practice phone number listed in the NPPES registry for Diana Oyoung-Oliver is (720) 718-8070.
- Does Diana Oyoung-Oliver accept Medicare?
- Diana Oyoung-Oliver is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diana Oyoung-Oliver's NPI active?
- Yes — Diana Oyoung-Oliver's NPI (1932513124) is active in the NPPES registry as of the last update on 2019-07-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.