MS. MARY ELIZABETH SINGER (MS,APRN-BC,AOCN) – Adult Health Nurse Practitioner, NPI 1649399759

Adult Health Nurse Practitioner

MS. MARY ELIZABETH SINGER (MS,APRN-BC,AOCN) is a healthcare provider. based in Natick, Massachusetts. specializing in Adult Health Nurse Practitioner. They hold the professional credentials MS,APRN-BC,AOCN. They hold a License No. 142885 (MA). The NPI Number for MS. MARY ELIZABETH SINGER (MS,APRN-BC,AOCN) is 1649399759

Main info

Female

33 Years Of Experience

Accepts Medicare Assignment

Name

MS. MARY ELIZABETH SINGER (MS,APRN-BC,AOCN)

NPI

1649399759

Phone

(508) 655-7438

Address

21 BARNESDALE RD

Enumeration Date

28 March 2007

Last Update Date

9 July 2007

Doctor Profile

Medical School Name

OTHER

Secondary Phone

6176365000

Graduation Year

1993 (33 years ago)

PAC ID

2668640723

Group Practice PAC ID

3375515661

Professional Enrollment ID

I20110718000227

Data current as of

19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology

Experience52

Completeness75

Years active:19State licenses:1Digital endpointsOther names

Provider Addresses for MS. MARY ELIZABETH SINGER (MS,APRN-BC,AOCN)

21 BARNESDALE RD
NATICK, MA 017603331
Phone: (508) 655-7438
Fax: (617) 636-2342
Type: Mailing
55 FRUIT ST
YAWKEY 9A
BOSTON, MA 021142621
Phone: (617) 643-4271
Fax: (617) 724-1079
Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

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Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

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Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 01760)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.

PAC ID: 3375515661View full group profile

Name	Specialty	State
DR. PRIANKA CHAWLA (M.D.)	Internal Medicine	MA
MRS. FEYZA ERENLER (M.D.)	E N D O C R I N O L O G Y	MA
PATRICIA RIDGE (DNP, FNP-BC)	Nurse Practitioner	VA
DR. KAREN FREUND (M.D.)	Internal Medicine	MA
RICHARD I KOPELMAN (MD)	Internal Medicine	MA
DR. ROBIN E POTTACKAL (M.D.)	-	MA
FRANCIS NUGENT (M.D.)	Internal Medicine, Hematology/Oncology	MA
MYRON SIU (M.D.)	Internal Medicine	MA
DR. KRISTIN HUANG (MD)	Internal Medicine	MA
DR. DAVID ALAN DREW (M.D.)	Internal Medicine, Nephrology	MA

Reviews

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Frequently asked questions

What NPI should I save for MS. MARY ELIZABETH SINGER (MS,APRN-BC,AOCN)?

Save NPI 1649399759 if you need a stable reference for MS. MARY ELIZABETH SINGER (MS,APRN-BC,AOCN).

Is MS. MARY ELIZABETH SINGER (MS,APRN-BC,AOCN) currently active in the NPI registry?

CMS-published data lists MS. MARY ELIZABETH SINGER (MS,APRN-BC,AOCN) as an active registrant.

What kind of provider is MS. MARY ELIZABETH SINGER (MS,APRN-BC,AOCN)?

The page reflects Adult Health Nurse Practitioner for MS. MARY ELIZABETH SINGER (MS,APRN-BC,AOCN). Clinical services aligned with this taxonomy classification.

What location shows for MS. MARY ELIZABETH SINGER (MS,APRN-BC,AOCN)?

We surface Natick, Massachusetts for MS. MARY ELIZABETH SINGER (MS,APRN-BC,AOCN) based on available NPPES addresses.

Is this NPI for an individual or an organization?

This listing corresponds to an Individual Provider.