Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

EVAN J. ZAHNER MD
NPI 1154378479
Orthopaedic Surgery in Stoneham, MA

Active since May 30, 2006PECOS EnrolledAccepts Medicare Assignment
75/100
CMS Quality Rating
92 MONTVALE AVE, STONEHAM, MA 02180(781) 279-7040 Get Directions Write a Review

NPPES record last updated: July 6, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jul 6, 2026, Jul 14, 2021, Aug 9, 2016 (3 updates tracked since 2016).

About Evan J. Zahner Md NPPES

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

EVAN J. ZAHNER MD (NPI 1154378479) is an individual orthopaedic surgery provider in Stoneham, Massachusetts, licensed in Massachusetts (152993) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Melrosewakefield Healthcare, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1154378479
Entity TypeIndividualMale
Primary Taxonomy207X00000X
Provider Legal NameEVAN J. ZAHNERCredential: MD
Location Address92 MONTVALE AVEStoneham, MA 02180-3647
Mailing Address92 Montvale Ave, Ste 1400Stoneham, MA 02180-3629 · (781) 279-7040 · Fax (781) 279-8430
Sole ProprietorNo
Medical School CMSColumbia University College Of Physicians And SurgeonsGraduated 1992
Enumeration DateMay 30, 2006
Last NPPES UpdateJuly 6, 20263 updates tracked since enumeration
NPPES CertifiedJuly 6, 2026
NPI 1154378479 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
License Licensed in MA · 152993
Definition

An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.

92 MONTVALE AVE, Stoneham, MA 02180

Secondary Practice Locations 3

Location 144 Bearfoot Rd Ste 3125Northborough, MA 01532-1559 · Phone (781) 279-7040 · Fax (781) 279-8430
Location 2405 Pearl StMalden, MA 02148-6644 · Phone (781) 665-9500 · Fax (781) 665-3856
Location 3362 Belmont StBrockton, MA 02301-4950 · Phone (781) 279-7040 · Fax (781) 279-8430

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

Evan J. Zahner Md 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 ID7012938921
PECOS Enrollment IDI20051207000612
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 22

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.

Hyaluronan or derivative, synojoynt, for intra-articular injection, 1 mg J7331
Hyaluronan, or Synojoynt, is a substance injected into your joint to help lubricate and cushion it. This can help relieve joint pain and improve mobility, particularly for conditions like arthritis. Each injection contains 1 mg of the substance.
6,280 services92 patients
Aspiration and/or injection of fluid large joint using ultrasound guidance 20611
This procedure involves using ultrasound technology to accurately locate a large joint, usually the knee or shoulder. A needle is then inserted to either extract fluid (aspiration) or inject medication. The ultrasound helps ensure precision and safety.
770 services377 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.
764 services481 patients
Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301
Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.
360 services45 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
355 services272 patients
X-ray of knee, 4 or more views 73564
An X-ray of the knee, 4 or more views, is a non-invasive imaging test. It involves capturing multiple images of your knee from different angles. This helps in diagnosing conditions such as fractures, arthritis, or infections. The procedure is quick and painless.
250 services233 patients

Hospital Affiliations CMS Care Compare 2

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

Melrosewakefield Healthcare

Acute Care Hospitals · Melrose, MA
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220070
Location585 Lebanon StreetMelrose, MA 02176 · Middlesex County
Emergency services Birthing friendly

Winchester Hospital

Acute Care Hospitals · Winchester, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220105
Location41 Highland AvenueWinchester, MA 01890 · Middlesex County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02180 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
$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.

75/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice

Reported Quality Measures

Risk-standardized complication rate (RSCR) following elective primary total hip arthroplasty (THA) and/or total knee arthroplasty (TKA) for Merit-based Incentive Payment System (MIPS)
Lower rates are better for this measure.
0.02%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Walker, folding, wheeled, adjustable or fixed height E0143
DME-Other DME · category DE000N
2 suppliers17 claims17 services$37.87 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Physician Assistant
92 MONTVALE AVE
STONEHAM, MA 02180
Orthopaedic Surgery
92 MONTVALE AVE
STONEHAM, MA 02180
Surgery
92 MONTVALE AVE, SUITE 3200
STONEHAM, MA 02180
Physical Therapist (Orthopedic)
92 MONTVALE AVE, STE 1400
STONEHAM, MA 02180
Social Worker (Clinical)
92 MONTVALE AVE
STONEHAM, MA 02180
Physician Assistant
92 MONTVALE AVE, SUITE 1400
STONEHAM, MA 02180
Specialist
92 MONTVALE AVE, STONEHAM
STONEHAM, MA 02180
Nurse Practitioner (Primary Care)
92 MONTVALE AVE, 4605
STONEHAM, MA 02180

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 Evan Zahner's NPI number?

The NPI number for Evan Zahner is 1154378479. It was assigned to this individual provider in the NPPES registry on May 30, 2006.

Where is Evan Zahner located?

Evan Zahner practices at 92 Montvale Ave, Stoneham, MA 02180. The listed phone number is (781) 279-7040.

What is Evan Zahner's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Is Evan Zahner enrolled in Medicare?

Yes. Evan Zahner 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 Evan Zahner accept?

Health plans from Anthem Blue Cross and Blue Shield list Evan Zahner 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 Evan Zahner affiliated with any hospitals?

According to CMS data, Evan Zahner is affiliated with Melrosewakefield Healthcare and Winchester Hospital.

When was this NPI record last updated?

The NPPES record for Evan Zahner was last updated on July 6, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.