1. Home
  2. Directory
  3. Massachusetts
  4. Winchester
  5. Psychiatry Neurology
  6. NPI Profile

DR. MALLORY FENG M.D.
NPI 1902163694
Psychiatry & Neurology - Psychiatry in Winchester, MA

Active since April 18, 2012Opted out of Medicare · through Jul 1, 2027
86.26/100
CMS Quality Rating
955 MAIN ST STE 105, WINCHESTER, MA 01890(617) 302-6096 Get Directions Write a Review

NPPES record last updated: March 20, 2024. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Nov 2, 2022, Dec 16, 2021 (2 updates tracked since 2021).

About Dr. Mallory Feng M.d. NPPES

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

DR. MALLORY FENG M.D. (NPI 1902163694) is an individual psychiatry provider in Winchester, Massachusetts, licensed in Massachusetts (295023) and active in the NPI registry since April 2012. She has opted out of Medicare through July 1, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1902163694
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameDR. MALLORY FENGCredential: M.D.
Location Address955 MAIN ST STE 105Winchester, MA 01890-4300
Mailing Address955 Main St Ste 105Winchester, MA 01890-4300 · (617) 302-6096
Phone(617) 302-6096
Sole ProprietorNo
Enumeration DateApril 18, 2012
Last NPPES UpdateMarch 20, 20242 updates tracked since enumeration
NPPES CertifiedMarch 20, 2024
✔ NPI 1902163694 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in MA · 295023
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
955 MAIN ST STE 105, Winchester, MA 01890
Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. Mallory Feng M.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from July 1, 2023 through July 1, 2027.

Opt-Out Effective DateJuly 1, 2023
Opt-Out In Effect ThroughJuly 1, 2027Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01890 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
$189.86 typical visit price
range $63.72 – $189.86
Typical copayment $47.46 (range $15.93 – $47.46)
Most-billed visit code 99205
Established Patient
$78.84 typical visit price
range $21.07 – $155.29
Typical copayment $19.71 (range $5.26 – $38.82)
Most-billed visit code 99213
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.

86.26/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality78.84
Promoting Interoperability100
Improvement Activities40
Cost58.7

Other Providers at the Same Location NPPES 5

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

MALLORY FENG MD, PLLC
Psychiatry & Neurology (Psychiatry)
955 MAIN ST STE 105
WINCHESTER, MA 01890
Middlesex County (617) 302-6096
MATTHEW J FLYNN PSY.D.
Psychologist (Clinical)
955 MAIN ST STE 105
WINCHESTER, MA 01890
Middlesex County (978) 482-1991
PEAK MENTAL PERFORMANCE COACHING LLC
Psychologist
955 MAIN ST STE 105
WINCHESTER, MA 01890
Middlesex County (978) 482-7991
CRAIG JONES, PSYD, LLC
Psychologist (Clinical)
955 MAIN ST STE 105
WINCHESTER, MA 01890
Middlesex County (781) 718-9752
MR. ROBERT BORDONARO LICSW
Social Worker (Clinical)
955 MAIN ST STE 105
WINCHESTER, MA 01890
Middlesex County (781) 454-8878

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 Mallory Feng's NPI number?

The NPI number for Mallory Feng is 1902163694. It was assigned to this individual provider in the NPPES registry on April 18, 2012.

Where is Mallory Feng located?

Mallory Feng practices at 955 Main St Ste 105, Winchester, MA 01890. The listed phone number is (617) 302-6096.

What is Mallory Feng's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Mallory Feng enrolled in Medicare?

No. Mallory Feng has opted out of Medicare through July 1, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Mallory Feng was last updated on March 20, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.