Nkemamaka Okpala, MD
NPI 1992062749 · Internal Medicine Physician · Hackettstown, NJ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nkemamaka Okpala, MD is a Internal Medicine Physician provider in Hackettstown, NJ (NPI 1992062749).
Provider details
- NPI number
- 1992062749
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 25MA09363400 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
14 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
138 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 53 | $100 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 53 | $140 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 32 | $62 |
Typical Medicare-allowed amounts for these services range $62–$140 (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 · 11 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Metoprolol Succinate | 26 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 20 |
| Metformin Hcl | 20 |
| Amlodipine Besylate | 18 |
| Levothyroxine Sodium | 18 |
| Oxycodone Hcl | 17 |
| Atorvastatin Calcium | 16 |
| Lisinopril/Hydrochlorothiazidebrand: Lisinopril-Hydrochlorothiazide | 14 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-04-18
- Last updated
- 2016-08-23
Frequently asked questions
- What is Nkemamaka Okpala's NPI number?
- Nkemamaka Okpala's National Provider Identifier (NPI) is 1992062749, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nkemamaka Okpala's specialty?
- Nkemamaka Okpala is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nkemamaka Okpala located?
- Nkemamaka Okpala's practice location on file with NPPES is 433 Sand Shore Rd, Hackettstown, NJ 07840-5504.
- What is Nkemamaka Okpala's phone number?
- The practice phone number listed in the NPPES registry for Nkemamaka Okpala is (862) 254-2299.
- Does Nkemamaka Okpala accept Medicare?
- Nkemamaka Okpala is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nkemamaka Okpala's NPI active?
- Yes — Nkemamaka Okpala's NPI (1992062749) is active in the NPPES registry as of the last update on 2016-08-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.