Geemson Oo, MD
NPI 1841283629 · Family Medicine Physician · West Seneca, NY
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Geemson Oo, MD is a Family Medicine Physician provider in West Seneca, NY (NPI 1841283629).
Provider details
- NPI number
- 1841283629
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 226696 (NY)
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
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
228 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 58 | $74 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 41 | $122 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 25 | $163 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 23 | $16 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 21 | $123 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 85 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 309 | 94 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 229 | 34 |
| Amlodipine Besylate | 191 | 52 |
| Lisinopril | 163 | 45 |
| Levothyroxine Sodium | 150 | 39 |
| Metformin Hcl | 137 | 30 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,836 across 70 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
- 2005-08-26
- Last updated
- 2012-07-26
Frequently asked questions
- What is Geemson Oo's NPI number?
- Geemson Oo's National Provider Identifier (NPI) is 1841283629, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Geemson Oo's specialty?
- Geemson Oo is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Geemson Oo located?
- Geemson Oo's practice location on file with NPPES is 3775 Seneca Street, West Seneca, NY 14224.
- What is Geemson Oo's phone number?
- The practice phone number listed in the NPPES registry for Geemson Oo is (716) 712-0920.
- Does Geemson Oo accept Medicare?
- Geemson Oo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Geemson Oo's NPI active?
- Yes — Geemson Oo's NPI (1841283629) is active in the NPPES registry as of the last update on 2012-07-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.