Harry Oken, MD
NPI 1679566160 · Internal Medicine Physician · Columbia, MD
Harry Oken, MD is a Internal Medicine Physician provider in Columbia, MD (NPI 1679566160).
Provider details
- NPI number
- 1679566160
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- D0031172 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 67 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 291 | 96 |
| Atorvastatin Calcium | 142 | 38 |
| Amlodipine Besylate | 100 | 30 |
| Levothyroxine Sodium | 88 | 23 |
| Escitalopram Oxalate | 81 | 24 |
| Losartan Potassium | 79 | 25 |
| Apixaban |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$501 across 26 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
Registry dates
- Enumerated
- 2005-08-30
- Last updated
- 2011-01-05
Frequently asked questions
- What is Harry Oken's NPI number?
- Harry Oken's National Provider Identifier (NPI) is 1679566160, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Harry Oken's specialty?
- Harry Oken is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Harry Oken located?
- Harry Oken's practice location on file with NPPES is 10700 Charter Dr, Columbia, MD 21044-3629.
- What is Harry Oken's phone number?
- The practice phone number listed in the NPPES registry for Harry Oken is (410) 910-7500.
- Is Harry Oken's NPI active?
- Yes — Harry Oken's NPI (1679566160) is active in the NPPES registry as of the last update on 2011-01-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.