Debra Gail Mammen, FNP-C
Family Nurse Practitioner · Chandler, AZ
Debra Gail Mammen, FNP-C is a family nurse practitioner with a practice address in Chandler, Arizona, and NPI 1831170711, issued on Nov 8, 2005. Check the license (Arizona AZ2171, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Debra Gail Mammen
- Credential
- FNP-C
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- AZ2171 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 3200 N Dobson RD, Chandler, AZ 85224
- Phone
- (480) 838-4277
- Enumerated
- Nov 8, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (480) 777-2331
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 5,933 in Arizona → Look up another NPI →
Also registered at 3200 N Dobson RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Helen Bernstein, LICENSED CLINICAL SOClinical Social Worker1023164183
- Pamela Castellanos, LPC, LPCCCounselor1417377367
- Alexis Contreras, MS, BCBA-LBABehavior Analyst1124835574
- Rebecca Elmshauser, ATL, ATCAthletic Trainer1083854590
- Deborah Hall, LPCProfessional Counselor1730598103
- Brina Jergenson, R.D.Registered Dietitian1275753527
Verify Debra Gail Mammen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this profession
Search for license AZ2171Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
17% fewer Medicare Part D claims than the average family nurse practitioner in 2024
1,079 Medicare Part D claims for 87 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Levothyroxine Sodium86 claims
- Gabapentin55 claims
- Tamsulosin Hcl48 claims
- Trazodone Hcl43 claims
- Donepezil Hcl39 claims
- Memantine Hcl38 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.
Debra Gail Mammen among 5,933 family nurse practitioner records in Arizona
Debra Gail Mammen, FNP-C is one of 5,933 family nurse practitioner records with a practice address in Arizona. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 98% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2026 · 38% 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 Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
244 family nurse practitioner records list a practice address in Chandler
They are 244 of the 5,497 NPPES records with a practice address in Chandler, and 5,933 family nurse practitioner records in Arizona.
All 5,933 in Arizona → Every provider in Chandler → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Angelica Adriano, FNP-CChandler, AZ 852241790752814
- Michelle Barnett, NPChandler, AZ 852241639359417
- Theresa Bess, FNP-CChandler, AZ 852241720306459
- Shauna Evanson, FNPChandler, AZ 852241881903102
- Jacqueline Fretto, FNPChandler, AZ 852241275688418
- Linda Lohr, FNPChandler, AZ 852241912162322
- Shawn McGuire, FNPChandler, AZ 852241619075272
- Christina Miller, FNPChandler, AZ 852241215233507
Common questions
What is Debra Gail Mammen, FNP-C's NPI number?
Debra Gail Mammen, FNP-C's National Provider Identifier (NPI) is 1831170711, issued on Nov 8, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Debra Gail Mammen, FNP-C located?
The NPPES record lists a practice address at 3200 N Dobson RD, Chandler, AZ, 85224. Phone: (480) 838-4277. Providers update this record themselves, so call before visiting.
How can I verify Debra Gail Mammen, FNP-C's license?
NPPES lists Arizona license number AZ2171, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.
How much does Debra Gail Mammen, FNP-C prescribe under Medicare Part D?
In 2024, Debra Gail Mammen, FNP-C had 1,079 Medicare Part D claims for 87 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.