Maureen L. Welsh, NP
Family Nurse Practitioner · Phoenix, AZ
Maureen L. Welsh, NP is a family nurse practitioner with a practice address in Phoenix, Arizona, and NPI 1457311292, issued on Mar 24, 2006. Check the license (Arizona AP1766, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Maureen L. Welsh
- Credential
- NP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- AP1766 AZ
RN102405 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 635 East Baseline Road, Phoenix, AZ 85042
- Phone
- (602) 243-7277
- Enumerated
- Mar 24, 2006
- Record last updated
- Dec 21, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (602) 243-1235
- Medicaid ID
- 936742 AZ
- Medicare enrollment
- Enrolled (PECOS I20040519001321); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 5,933 in Arizona → Look up another NPI →
Also registered at 635 East Baseline Road
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Maureen L. Welsh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this profession
Search for license AP1766Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% more Medicare Part D claims than the average family nurse practitioner in 2024
1,433 Medicare Part D claims for 105 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.
Most prescribed
- Atorvastatin Calcium127 claims
- Lisinopril90 claims
- Metformin Hcl81 claims
- Amlodipine Besylate58 claims
- Levothyroxine Sodium52 claims
- Lantus Solostar45 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
- Mountain Park Health CenterPhoenix, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maureen L. Welsh among 5,933 family nurse practitioner records in Arizona
Maureen L. Welsh, NP 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 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 91% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2003 · median 2019 among the 3,510 with a school on file
- Record last updated2011 · 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).
1,242 family nurse practitioner records list a practice address in Phoenix
They are 1,242 of the 31,399 NPPES records with a practice address in Phoenix, and 5,933 family nurse practitioner records in Arizona.
All 5,933 in Arizona → Every provider in Phoenix → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Christine Armenta, FNP-BCPhoenix, AZ 850421972752509
- Delana Brown, FNP-CPhoenix, AZ 850421356731418
- Lawanda Dupree, DNP, FNP-CPhoenix, AZ 850421760874168
- Delana Gardner, FNP-CPhoenix, AZ 850421497181705
- Lauren LambertPhoenix, AZ 850421710393699
- Jacqueline Mager, NPPhoenix, AZ 850421487615803
- Marti Manko, FNP-CPhoenix, AZ 850421497259725
- Kimberly Owens-Smith, FNP-C, PMHNP-BC,Phoenix, AZ 850421568795482
Common questions
What is Maureen L. Welsh, NP's NPI number?
Maureen L. Welsh, NP's National Provider Identifier (NPI) is 1457311292, issued on Mar 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Maureen L. Welsh, NP located?
The NPPES record lists a practice address at 635 East Baseline Road, Phoenix, AZ, 85042. Phone: (602) 243-7277. Providers update this record themselves, so call before visiting.
How can I verify Maureen L. Welsh, NP's license?
NPPES lists Arizona license number AP1766, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.
How much does Maureen L. Welsh, NP prescribe under Medicare Part D?
In 2024, Maureen L. Welsh, NP had 1,433 Medicare Part D claims for 105 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.