Constance M. Haddad, FNP
Family Nurse Practitioner · Rancho Cucamonga, CA
Constance M. Haddad, FNP is a family nurse practitioner with a practice address in Rancho Cucamonga, California, and NPI 1811288665, issued on Apr 27, 2011. Check the license (California 346691, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Constance M. Haddad
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 346691 CA
Self-reported in NPPES; status is on the state search - Practice location
- 8360 Red Oak St, Rancho Cucamonga, CA 91730
- Phone
- (909) 980-1946
- Enumerated
- Apr 27, 2011
- Record last updated
- Jun 12, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (909) 980-1625
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 16,966 in California → Look up another NPI →
Also registered at 8360 Red Oak St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- James Brown, M.D.Family Medicine Physician1073597738
Verify Constance M. Haddad in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 346691Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average family nurse practitioner in 2024
232 Medicare Part D claims for 57 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate28 claims
- Lisinopril20 claims
- Levothyroxine Sodium15 claims
- Metformin Hcl13 claims
- Albuterol Sulfate Hfa11 claims
- Hydrochlorothiazide11 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.
Constance M. Haddad among 16,966 family nurse practitioner records in California
Constance M. Haddad, FNP is one of 16,966 family nurse practitioner records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 19% of them.
- NPI issued2011 · 19% of these records are older, 79% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 40% of these records are
- Record last updated2012 · 42% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
81 family nurse practitioner records list a practice address in Rancho Cucamonga
They are 81 of the 4,579 NPPES records with a practice address in Rancho Cucamonga, and 16,966 family nurse practitioner records in California.
All 16,966 in California → Every provider in Rancho Cucamonga → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Marie Arpa, MSN FNP-CRancho Cucamonga, CA 917301134552516
- Brianne Bridgeland, ARNPRancho Cucamonga, CA 917301104070598
- Tina Escobedo, N.P.Rancho Cucamonga, CA 917301952555732
- Alea Foster, FNPRancho Cucamonga, CA 917301447501549
- Jeri Geleris, F.N.P.Rancho Cucamonga, CA 917301285993980
- Kristine Gibbs, FNP-CRancho Cucamonga, CA 917301144506429
- Lucy Grey, NPRancho Cucamonga, CA 917301912254210
- Laura Guerrero, NPRancho Cucamonga, CA 917301831292184
Common questions
What is Constance M. Haddad, FNP's NPI number?
Constance M. Haddad, FNP's National Provider Identifier (NPI) is 1811288665, issued on Apr 27, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Constance M. Haddad, FNP located?
The NPPES record lists a practice address at 8360 Red Oak St, Rancho Cucamonga, CA, 91730. Phone: (909) 980-1946. Providers update this record themselves, so call before visiting.
How can I verify Constance M. Haddad, FNP's license?
NPPES lists California license number 346691, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Constance M. Haddad, FNP prescribe under Medicare Part D?
In 2024, Constance M. Haddad, FNP had 232 Medicare Part D claims for 57 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.