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MRS. SANDY TAN MSN, FNP
NPI 1659619708
Nurse Practitioner - Family in Sudbury, MA

Active since January 24, 2013PECOS EnrolledAccepts Medicare Assignment
84.88/100
CMS Quality Rating
501 BOSTON POST RD, SUDBURY, MA 01776(978) 443-7141 Get Directions Write a Review

NPPES record last updated: January 26, 2019. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mrs. Sandy Tan Msn, Fnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MRS. SANDY TAN MSN, FNP (NPI 1659619708) is an individual family provider in Sudbury, Massachusetts, licensed in Massachusetts (RN277143) and active in the NPI registry since January 2013. She is enrolled in Medicare PECOS, is affiliated with Tufts Medical Center, and is a graduate of Other (2011).

NPPES Registry Identity

NPI1659619708
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMRS. SANDY TANCredential: MSN, FNP
Location Address501 BOSTON POST RDSudbury, MA 01776-3335
Mailing Address501 Boston Post RdSudbury, MA 01776-3335
Phone(978) 443-7141
Sole ProprietorNo
Medical School CMSOtherGraduated 2011
Enumeration DateJanuary 24, 2013
Last NPPES UpdateJanuary 26, 2019
✔ NPI 1659619708 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in MA · RN277143
Also ListedNurse PractitionerTaxonomy 363L00000X · License RN277143 (MA)
501 BOSTON POST RD, Sudbury, MA 01776
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mrs. Sandy Tan Msn, Fnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8325283997
PECOS Enrollment IDI20130402000381
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
55 services48 patients
Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or G2212
This service refers to extended doctor visits where your healthcare provider spends additional time evaluating and managing your health beyond the primary procedure's required time. This includes each extra 15 minutes spent by the physician on the same day as the primary service.
39 services25 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
14 services12 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Tufts Medical Center

Acute Care Hospitals · Boston, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220116
Location800 Washington StreetBoston, MA 02111 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01776 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$97.64 typical visit price
range $63.72 – $189.86
Typical copayment $24.41 (range $15.93 – $47.46)
Most-billed visit code 99203
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

84.88/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality73.44
Improvement Activities40
Cost98.29

Other Providers at the Same Location NPPES 7

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CVS PHARMACY INC
Pharmacy
501 BOSTON POST RD, ROUTE 20 SUDBURY PLAZA
SUDBURY, MA 01776
Middlesex County (978) 443-7141
HAYLEY REBEKAH DEANGELIS NP
Nurse Practitioner (Family)
501 BOSTON POST RD
SUDBURY, MA 01776
Middlesex County (978) 443-7141
LINDY BLANCHFLOWER
Pharmacist
501 BOSTON POST RD
SUDBURY, MA 01776
Middlesex County (978) 443-7141
SPIRO ANDREAS KANELLOS
Pharmacist
501 BOSTON POST RD
SUDBURY, MA 01776
Middlesex County (978) 443-7141
AMANDA JEANNE RILEY
Nurse Practitioner (Family)
501 BOSTON POST RD
SUDBURY, MA 01776
Middlesex County (781) 724-8234
MS. MARILYN A SEUFFERT NP
Nurse Practitioner (Family)
501 BOSTON POST RD
SUDBURY, MA 01776
Middlesex County (866) 389-2727
KAREN ANDREA FISHER FNP-BC
Nurse Practitioner (Family)
501 BOSTON POST RD
SUDBURY, MA 01776
Middlesex County (978) 443-7141

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Sandy Tan's NPI number?

The NPI number for Sandy Tan is 1659619708. It was assigned to this individual provider in the NPPES registry on January 24, 2013.

Where is Sandy Tan located?

Sandy Tan practices at 501 Boston Post Rd, Sudbury, MA 01776. The listed phone number is (978) 443-7141.

What is Sandy Tan's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Sandy Tan enrolled in Medicare?

Yes. Sandy Tan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Sandy Tan affiliated with any hospitals?

According to CMS data, Sandy Tan is affiliated with Tufts Medical Center.

When was this NPI record last updated?

The NPPES record for Sandy Tan was last updated on January 26, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.