Doris Okwu
NPI 1679273338 · Family Nurse Practitioner · Guilford, CT
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Doris Okwu is a Family Nurse Practitioner provider in Guilford, CT (NPI 1679273338).
Provider details
- NPI number
- 1679273338
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 11551 (CT)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
3 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
225 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 116 | $113 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 57 | $159 |
| Hemoglobin A1c Level83036 | 18 | $10 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 17 | $13 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 17 | $81 |
Typical Medicare-allowed amounts for these services range $10–$159 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 33 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 43 | 14 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 42 | 21 |
| Amlodipine Besylate | 36 | 14 |
| Lisinopril | 34 | — |
| Levothyroxine Sodium | 33 | 11 |
| Gabapentin | 30 | — |
| Apixaban |
Practice location
Mailing address
Additional practice locations (1)
- 121 Promenade DrHamden, CT 06514-2340Phone: (203) 988-6862
Registry dates
- Enumerated
- 2023-03-09
- Last updated
- 2025-07-28
- Certified
- 2025-07-28
Frequently asked questions
- What is Doris Okwu's NPI number?
- Doris Okwu's National Provider Identifier (NPI) is 1679273338, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Doris Okwu's specialty?
- Doris Okwu is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Doris Okwu located?
- Doris Okwu's practice location on file with NPPES is 1591 Boston Post Rd Ste 100, Guilford, CT 06437-4335.
- What is Doris Okwu's phone number?
- The practice phone number listed in the NPPES registry for Doris Okwu is (203) 932-6481.
- Does Doris Okwu accept Medicare?
- Doris Okwu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Doris Okwu's NPI active?
- Yes — Doris Okwu's NPI (1679273338) is active in the NPPES registry as of the last update on 2025-07-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.