Ying Ying Ma, NP
Nurse Practitioner · Medford, MA
Ying Ying Ma, NP is a nurse practitioner with a practice address in Medford, Massachusetts, and NPI 1326403809, issued on Dec 28, 2015. Check the license (Massachusetts RN271448, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ying Ying Ma
- Credential
- NP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- RN271448 MA
Self-reported in NPPES; status is on the state search - Practice location
- 170 Governors Ave, Medford, MA 02155
- Phone
- (781) 979-2424
- Enumerated
- Dec 28, 2015
- Record last updated
- Mar 14, 2025
- Fax
- (781) 338-7557
- Medicare enrollment
- Enrolled (PECOS I20160309002774); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 3,480 in Massachusetts → Look up another NPI →
Also registered at 170 Governors Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elizabeth AllenClinical Social Worker1316080476
- Laurie Baker, R.N,B.S.NCritical Care Medicine Registered Nurse1336341593
- David Barrasso, M.D.Geriatric Medicine (Internal Medicine) Physician1467433748
- Hyman Beshansky, RNAdult Psychiatric/Mental Health Registered Nurse1750521563
- Stacey Bryant, NPGerontology Nurse Practitioner1376521369
- Mary Buechler, MDEmergency Medicine Physician1922110287
Verify Ying Ying Ma in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN271448Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% fewer Medicare Part D claims than the average nurse practitioner in 2024
545 Medicare Part D claims for 149 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Famotidine66 claims
- Fluticasone Propionate61 claims
- Omeprazole54 claims
- Azelastine Hcl43 claims
- Ipratropium Bromide29 claims
- Eliquis23 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.
Industry payments in 2024: $613.13
13 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Bmc Affiliated Physicians, Inc.Brockton, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ying Ying Ma among 3,480 nurse practitioner records in Massachusetts
Ying Ying Ma, 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 2015, is newer than 48% of them.
- NPI issued2015 · 48% of these records are older, 49% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2015 · median 2017 among the 1,963 with a school on file
- Record last updated2025 · 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).
19 nurse practitioner records list a practice address in Medford
They are 19 of the 1,090 NPPES records with a practice address in Medford, and 3,480 nurse practitioner records in Massachusetts.
All 3,480 in Massachusetts → Every provider in Medford → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Diane Coste, NPMedford, MA 021551063805851
- Jennifer Crane, CNP, RNMedford, MA 021551356976625
- Nicole Hersel, NPMedford, MA 021551275878076
- Beverly Ketchen, NPMedford, MA 021551689633489
- Carole Lowenstein, NPMedford, MA 021551679636732
- Genevieve LumsdenMedford, MA 021551922542489
- Samantha Morrison-Ma, N.P.Medford, MA 021551588929947
- Sonia NetteyMedford, MA 021551821456708
Common questions
What is Ying Ying Ma, NP's NPI number?
Ying Ying Ma, NP's National Provider Identifier (NPI) is 1326403809, issued on Dec 28, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Ying Ying Ma, NP located?
The NPPES record lists a practice address at 170 Governors Ave, Medford, MA, 02155. Phone: (781) 979-2424. Providers update this record themselves, so call before visiting.
How can I verify Ying Ying Ma, NP's license?
NPPES lists Massachusetts license number RN271448, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Ying Ying Ma, NP prescribe under Medicare Part D?
In 2024, Ying Ying Ma, NP had 545 Medicare Part D claims for 149 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.