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DORIS U OKWU
NPI 1679273338
Nurse Practitioner - Family in Guilford, CT

Active since March 09, 2023PECOS EnrolledAccepts Medicare Assignment
1591 BOSTON POST RD STE 100, GUILFORD, CT 06437(203) 932-6481(203) 932-4051 Get Directions Write a Review

NPPES record last updated: July 28, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Oct 2, 2023, Jul 17, 2023, Mar 9, 2023 (3 updates tracked since 2023).

About Doris U Okwu NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DORIS U OKWU (NPI 1679273338) is an individual family provider in Guilford, Connecticut, licensed in Connecticut (11551) and active in the NPI registry since March 2023. She is enrolled in Medicare PECOS, maintains a secondary practice location in Hamden, and is a graduate of Other (2022).

NPPES Registry Identity

NPI1679273338
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameDORIS U OKWU
Location Address1591 BOSTON POST RD STE 100Guilford, CT 06437-4335
Mailing Address121 Promenade DrHamden, CT 06514-2340 · (203) 988-6862
Phone(203) 932-6481
Fax(203) 932-4051
Sole ProprietorYes
Medical School CMSOtherGraduated 2022
Enumeration DateMarch 9, 2023
Last NPPES UpdateJuly 28, 20253 updates tracked since enumeration
NPPES CertifiedJuly 28, 2025
✔ NPI 1679273338 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in CT · 11551
Also ListedNurse Practitioner · Primary CareTaxonomy 363LP2300X · License 11551 (CT)
1591 BOSTON POST RD STE 100, Guilford, CT 06437
Open in Google Maps ↗

Secondary Practice Location 1

Location 1121 Promenade DrHamden, CT 06514-2340 · Phone (203) 988-6862

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Doris U Okwu is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6002278413
PECOS Enrollment IDI20230817000867
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
116 services77 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
57 services41 patients
Hemoglobin a1c level 83036
Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.
18 services15 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
17 services16 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
17 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06437 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$93.86 typical visit price
range $60.82 – $183.10
Typical copayment $23.46 (range $15.20 – $45.77)
Most-billed visit code 99203
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 11

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. JEFFREY CARLTON ROESER MD
Internal Medicine
1591 BOSTON POST RD STE 100
GUILFORD, CT 06437
South Central Connecticut Planning Region (203) 453-9911
TIMOTHY RAUSCH RN, MSN, FNP
Nurse Practitioner (Family)
1591 BOSTON POST RD STE 100
GUILFORD, CT 06437
South Central Connecticut Planning Region (475) 900-9800
ANTHONY MASCIA MD
Family Medicine
1591 BOSTON POST RD STE 100
GUILFORD, CT 06437
South Central Connecticut Planning Region (475) 900-9800
KEVIN M THARAKAN MD
Family Medicine
1591 BOSTON POST RD STE 100
GUILFORD, CT 06437
South Central Connecticut Planning Region (203) 932-6481
MONICA M MUNTEANU MD
Internal Medicine
1591 BOSTON POST RD STE 100
GUILFORD, CT 06437
South Central Connecticut Planning Region (475) 900-9800
MR. FRANK J ZIMMITTI PAC MS
Physician Assistant
1591 BOSTON POST RD STE 100
GUILFORD, CT 06437
South Central Connecticut Planning Region (203) 932-6481
JOSEPH BALSAMO M.D.
Internal Medicine
1591 BOSTON POST RD STE 100
GUILFORD, CT 06437
South Central Connecticut Planning Region (203) 932-6481
DR. KATHRYN LEIGH MAZZA D.O.
Internal Medicine
1591 BOSTON POST RD STE 100
GUILFORD, CT 06437
South Central Connecticut Planning Region (203) 453-9911

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Doris Okwu's NPI number?

The NPI number for Doris Okwu is 1679273338. It was assigned to this individual provider in the NPPES registry on March 9, 2023.

Where is Doris Okwu located?

Doris Okwu practices at 1591 Boston Post Rd Ste 100, Guilford, CT 06437. The listed phone number is (203) 932-6481.

What is Doris Okwu's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Doris Okwu enrolled in Medicare?

Yes. Doris Okwu is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Doris Okwu was last updated on July 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.