Doris U. Okwu
Family Nurse Practitioner · Guilford, CT
Doris U. Okwu is a family nurse practitioner with a practice address in Guilford, Connecticut, and NPI 1679273338, issued on Mar 9, 2023. Check the license (Connecticut 11551, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Doris U. Okwu
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 11551 CT
Self-reported in NPPES; status is on the state search - Practice location
- 1591 Boston Post RD Ste 100, Guilford, CT 06437
- Phone
- (203) 932-6481
- Enumerated
- Mar 9, 2023
- Record last updated
- Jul 28, 2025
- Fax
- (203) 932-4051
- Medicare enrollment
- Enrolled (PECOS I20230817000867); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 2,669 in Connecticut → Look up another NPI →
Also registered at 1591 Boston Post RD Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joseph Balsamo, M.D.Internal Medicine Physician1487650222
- Nancy Hurlburt, MDFamily Medicine Physician1952313694
- Kevin Knowlton, FNP-CFamily Nurse Practitioner1598526766
- Anthony Mascia, MDFamily Medicine Physician1306856281
- Kathryn Mazza, D.O.Internal Medicine Physician1497196471
- Monica Munteanu, MDInternal Medicine Physician1386643807
Verify Doris U. Okwu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 11551Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
16% fewer Medicare Part D claims than the average family nurse practitioner in 2024
1,090 Medicare Part D claims for 181 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium43 claims
- Albuterol Sulfate Hfa42 claims
- Amlodipine Besylate36 claims
- Lisinopril34 claims
- Levothyroxine Sodium33 claims
- Eliquis30 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Hhc Physician Services PLLCWest Haven, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Doris U. Okwu among 2,669 family nurse practitioner records in Connecticut
Doris U. Okwu is one of 2,669 family nurse practitioner records with a practice address in Connecticut. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 76% of them.
- NPI issued2023 · 76% of these records are older, 16% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2022 · median 2018 among the 1,664 with a school on file
- Record last updated2025 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
24 family nurse practitioner records list a practice address in Guilford
They are 24 of the 504 NPPES records with a practice address in Guilford, and 2,669 family nurse practitioner records in Connecticut.
All 2,669 in Connecticut → Every provider in Guilford → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Rachael Carlucci, MSN,APRN, FNP-BCGuilford, CT 064371609447135
- Danielle Deline, NP-CGuilford, CT 064371053842880
- Susan Elles, APRNGuilford, CT 064371972976553
- Meghan Galli, APRN, FNP-BCGuilford, CT 064371053945204
- Mary Jane Galvin, APRNGuilford, CT 064371982843504
- Xiuling GuoGuilford, CT 064371194360057
- Kathryn Kruser, APRNGuilford, CT 064371174692842
- Paul Mainella, APRNGuilford, CT 064371033727078
Common questions
What is Doris U. Okwu's NPI number?
Doris U. Okwu's National Provider Identifier (NPI) is 1679273338, issued on Mar 9, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Doris U. Okwu located?
The NPPES record lists a practice address at 1591 Boston Post RD Ste 100, Guilford, CT, 06437. Phone: (203) 932-6481. Providers update this record themselves, so call before visiting.
How can I verify Doris U. Okwu's license?
NPPES lists Connecticut license number 11551, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
How much does Doris U. Okwu prescribe under Medicare Part D?
In 2024, Doris U. Okwu had 1,090 Medicare Part D claims for 181 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.