HOLLY S MASON M.D.
NPI 1033201462
Surgery in Springfield, MA

Active since September 30, 2006PECOS EnrolledAccepts Medicare Assignment
100 WASON AVENUE, SPRINGFIELD, MA 01107(413) 794-5265(413) 794-1794 Get Directions Write a Review

NPPES record last updated: January 18, 2018. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jan 18, 2018, Jan 12, 2018, Nov 10, 2016 (3 updates tracked since 2016).

About Holly S Mason M.d. NPPES

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

HOLLY S MASON M.D. (NPI 1033201462) is an individual surgery provider in Springfield, Massachusetts, licensed in Massachusetts (213644) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS, is affiliated with Baystate Franklin Medical Center, and is a graduate of University Of Vermont College Of Medicine (1995).

NPPES Registry Identity

NPI1033201462
Entity TypeIndividualFemale
Primary Taxonomy208600000X
Provider Legal NameHOLLY S MASONCredential: M.D.
Location Address100 WASON AVENUESpringfield, MA 01107-1179
Mailing Address280 Chestnut St, 2nd FloorSpringfield, MA 01199-1001 · (413) 794-5700
Fax(413) 794-1794
Sole ProprietorNo
Medical School CMSUniversity Of Vermont College Of MedicineGraduated 1995
Enumeration DateSeptember 30, 2006
Last NPPES UpdateJanuary 18, 20183 updates tracked since enumeration
NPI 1033201462 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License Licensed in MA · 213644
Definition

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Also ListedSurgery · Surgical OncologyTaxonomy 2086X0206X · License 213644 (MA)
100 WASON AVENUE, Springfield, MA 01107

Accepted Insurance

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

Holly S Mason M.d. 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 ID5294702007
PECOS Enrollment IDI20040913000176
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 6

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.

Partial removal of breast 19301
A partial removal of the breast, also known as a lumpectomy, involves taking out a portion of the breast tissue to eliminate concerning cells. It's typically performed when the problem area is limited in size. This procedure helps to preserve most of the breast's appearance while aiming to remove all the unhealthy cells.
32 services29 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
32 services30 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
28 services28 patients
Imaging of lymph nodes during surgery 38900
Imaging of lymph nodes during surgery involves taking detailed pictures of your lymph nodes to help surgeons see and assess them in real-time. This procedure can aid in detecting disease, guiding treatment, and improving surgical precision.
22 services22 patients
Biopsy or removal of deep lymph nodes of underarm 38525
A biopsy or removal of deep underarm lymph nodes is a procedure where a small sample of lymph node tissue is taken for testing. This helps in diagnosing or ruling out conditions like infections or cancers. It involves a small incision and is typically done under local or general anesthesia.
20 services20 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
16 services15 patients

Hospital Affiliations CMS Care Compare 3

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

Baystate Franklin Medical Center

Acute Care Hospitals · Greenfield, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220016
Location164 High StreetGreenfield, MA 01301 · Franklin County
Emergency services Birthing friendly

Baystate Noble Hospital

Acute Care Hospitals · Westfield, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220065
Location115 West Silver StreetWestfield, MA 01085 · Hampden County
Emergency services

Baystate Medical Center

Acute Care Hospitals · Springfield, MA
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220077
Location759 Chestnut StreetSpringfield, MA 01199 · Hampden County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01107 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
$90.70 typical visit price
range $58.86 – $177.36
Typical copayment $22.67 (range $14.71 – $44.34)
Most-billed visit code 99203
Established Patient
$73.22 typical visit price
range $19.11 – $144.84
Typical copayment $18.30 (range $4.77 – $36.21)
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.

Other Providers at the Same Location NPPES 20

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

Urology
100 WASON AVENUE, SUITE 120
SPRINGFIELD, MA 01107
Audiologist
100 WASON AVENUE, SUITE 100
SPRINGFIELD, MA 01107
Otolaryngology
100 WASON AVENUE, SUITE 100
SPINGFIELD, MA 01107
Nurse Practitioner (Family)
100 WASON AVENUE, SUITE 230
SPRINGFIELD, MA 01107
Otolaryngology
100 WASON AVENUE, SUITE 100
SPRINGFIELD, MA 01107
Nurse Practitioner (Women's Health)
100 WASON AVENUE, SUITE 120
SPRINGFIELD, MA 01107
Urology
100 WASON AVENUE, SUITE 120
SPRINGFIELD, MA 01107
Nurse Practitioner (Family)
100 WASON AVENUE
SPRINGFIELD, MA 01107

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 Holly Mason's NPI number?

The NPI number for Holly Mason is 1033201462. It was assigned to this individual provider in the NPPES registry on September 30, 2006.

Where is Holly Mason located?

Holly Mason practices at 100 Wason Avenue, Springfield, MA 01107. The listed phone number is (413) 794-5265.

What is Holly Mason's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Holly Mason enrolled in Medicare?

Yes. Holly Mason 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.

What insurance does Holly Mason accept?

Health plans from Anthem Blue Cross and Blue Shield list Holly Mason as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Holly Mason affiliated with any hospitals?

According to CMS data, Holly Mason is affiliated with Baystate Franklin Medical Center, Baystate Noble Hospital and Baystate Medical Center.

When was this NPI record last updated?

The NPPES record for Holly Mason was last updated on January 18, 2018. NPI Profile syncs with the weekly NPPES data releases published by CMS.