NPPES file of Aug 9, 2026

Ashima Mannan, NP

Nurse Practitioner · Waltham, MA

Ashima Mannan, NP is a nurse practitioner with a practice address in Waltham, Massachusetts, and NPI 1134538879, issued on Aug 6, 2014. Check the license (Massachusetts 259466, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1134538879
Name
Ashima Mannan
Credential
NP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
259466 MA
Self-reported in NPPES; status is on the state search
Practice location
128 Willow St, Waltham, MA 02453
Phone
(617) 840-1845
Enumerated
Aug 6, 2014
Record last updated
Aug 6, 2014 (not updated in 12 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20150130000209); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Ashima Mannan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license 259466
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Massachusetts license search

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56% more Medicare Part D claims than the average nurse practitioner in 2024

1,735 Medicare Part D claims for 82 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 32 claims were for opioids.

  1. Ashima Mannan1,735
  2. Specialty average1,109

Most prescribed

  1. Atorvastatin Calcium138 claims
  2. Omeprazole83 claims
  3. Levothyroxine Sodium78 claims
  4. Eliquis75 claims
  5. Metoprolol Succinate74 claims
  6. Torsemide69 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

  1. Cambridge Public Health CommissionEverett, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Ashima Mannan among 3,480 nurse practitioner records in Massachusetts

Ashima Mannan, NP is one of 3,480 nurse practitioner records with a practice address in Massachusetts. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 45% of them.

  • NPI issued2014 · 45% of these records are older, 52% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated2013 · median 2017 among the 1,963 with a school on file
  • Record last updated2014 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

25 nurse practitioner records list a practice address in Waltham

They are 25 of the 2,111 NPPES records with a practice address in Waltham, and 3,480 nurse practitioner records in Massachusetts.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Brian Hoell, NPWaltham, MA 024531083649362
  2. Barbara Marinaccio, PNPWaltham, MA 024531548209661
  3. Michelle Woolfrey, NPWaltham, MA 024531922486554
  4. Margaret Fitzgerald, NPWaltham, MA 024521295863298
  5. Christina Benoit, FNP-BCWaltham, MA 024511780428896
  6. Katelyn Carney, NPWaltham, MA 024511326303629
  7. Bridget Donovan, FNP-BCWaltham, MA 024511144822081
  8. Cynthia Gosselin, NPWaltham, MA 024511558767269

Common questions

What is Ashima Mannan, NP's NPI number?

Ashima Mannan, NP's National Provider Identifier (NPI) is 1134538879, issued on Aug 6, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Ashima Mannan, NP located?

The NPPES record lists a practice address at 128 Willow St, Waltham, MA, 02453. Phone: (617) 840-1845. Providers update this record themselves, so call before visiting.

How can I verify Ashima Mannan, NP's license?

NPPES lists Massachusetts license number 259466, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Ashima Mannan, NP prescribe under Medicare Part D?

In 2024, Ashima Mannan, NP had 1,735 Medicare Part D claims for 82 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.