Samuel Okpaku, M.D.PHD
NPI 1427070879 · Psychiatry Physician · Nashville, TN
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Samuel Okpaku, M.D.PHD is a Psychiatry Physician provider in Nashville, TN (NPI 1427070879).
Provider details
- NPI number
- 1427070879
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.PHD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 18327 (TN)
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
19 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
501 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) |
|---|---|---|
| Psychotherapy With Evaluation and Management Visit, 30 Minutes90833 | 252 | $58 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 249 | $82 |
Typical Medicare-allowed amounts for these services range $58–$82 (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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clonazepam | 51 | 16 |
| Lamotrigine | 50 | 20 |
| Trazodone Hcl | 45 | 25 |
| Quetiapine Fumarate | 38 | 14 |
| Fluoxetine Hcl | 33 | — |
| Alprazolam | 33 | 11 |
| Bupropion Hclbrand: Bupropion Xl | 31 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$274 across 7 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
- 2006-07-24
- Last updated
- 2014-02-03
Frequently asked questions
- What is Samuel Okpaku's NPI number?
- Samuel Okpaku's National Provider Identifier (NPI) is 1427070879, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Samuel Okpaku's specialty?
- Samuel Okpaku is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Samuel Okpaku located?
- Samuel Okpaku's practice location on file with NPPES is 1233 17th Ave S, Nashville, TN 37212-2801.
- What is Samuel Okpaku's phone number?
- The practice phone number listed in the NPPES registry for Samuel Okpaku is (615) 329-4182.
- Does Samuel Okpaku accept Medicare?
- Samuel Okpaku is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Samuel Okpaku's NPI active?
- Yes — Samuel Okpaku's NPI (1427070879) is active in the NPPES registry as of the last update on 2014-02-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.