WILLIAM FREDERICK MAYERS M.D.
NPI 1306200225
Anesthesiology - Pain Medicine in Beverly, MA

Active since April 06, 2016PECOS EnrolledAccepts Medicare Assignment
91.41/100
CMS Quality Rating
77 HERRICK ST STE 201, BEVERLY, MA 01915(978) 927-7246(978) 927-7249 Get Directions Write a Review

NPPES record last updated: March 24, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 24, 2026, Jun 30, 2021, Apr 23, 2020 (3 updates tracked since 2020).

About William Frederick Mayers M.d. NPPES

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

WILLIAM FREDERICK MAYERS M.D. (NPI 1306200225) is an individual pain medicine provider in Beverly, Massachusetts, licensed in Massachusetts (287639) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS, is affiliated with Northeast Hospital Corporation, and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (2016).

NPPES Registry Identity

NPI1306200225
Entity TypeIndividualMale
Primary Taxonomy207LP2900X
Provider Legal NameWILLIAM FREDERICK MAYERSCredential: M.D.
Location Address77 HERRICK ST STE 201Beverly, MA 01915-2734
Mailing Address77 Herrick St Ste 201Beverly, MA 01915-2734 · (978) 927-7246 · Fax (978) 927-7249
Fax(978) 927-7249
Sole ProprietorNo
Medical School CMSUniversity Of Illinois College Of Med (chi/peor/rock/chm-urb)Graduated 2016
Enumeration DateApril 6, 2016
Last NPPES UpdateMarch 24, 20263 updates tracked since enumeration
NPPES CertifiedMarch 24, 2026
NPI 1306200225 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyAnesthesiology · Pain MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207LP2900X
Licenses Licensed in MA · 287639 Licensed in IL · 036148264
Definition
An anesthesiologist who provides a high level of care, either as a primary physician or consultant, for patients experiencing problems with acute, chronic and/or cancer pain in both hospital and ambulatory settings. Patient care needs are also coordinated with other specialists.
Also ListedPain Medicine · Interventional Pain MedicineTaxonomy 208VP0014X · License 287639 (MA)
77 HERRICK ST STE 201, Beverly, MA 01915

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

William Frederick Mayers 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 ID2961799762
PECOS Enrollment IDI20210810003648
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 29

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.

Injection, dexamethasone sodium phosphate, 1 mg J1100
Dexamethasone sodium phosphate is a medication given via injection. It is a type of steroid that helps reduce inflammation and immune responses. It can be used to treat a variety of conditions, such as allergies, skin conditions, arthritis, and more.
5,710 services233 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.
1,029 services301 patients
Low osmolar contrast material, 200-299 mg/ml iodine concentration, per ml Q9966
Low osmolar contrast material with 200-299 mg/ml iodine concentration is a type of dye used in certain medical tests like CT scans or X-rays. It helps to highlight specific areas in your body, making them easier to see and examine. It's safe and commonly used.
299 services203 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
199 services199 patients
Injection, midazolam hydrochloride, per 1 mg J2250
Midazolam hydrochloride is a medication injected to help you relax or sleep before surgery or certain medical procedures. It works by calming the brain and nerves. It's given in small doses, measured in milligrams (mg).
160 services100 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.
136 services29 patients

Hospital Affiliations CMS Care Compare 4

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

Northeast Hospital Corporation

Acute Care Hospitals · Beverly, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220033
Location85 Herrick StreetBeverly, MA 01915 · Essex County
Emergency services Birthing friendly

North Shore Medical Center -

Acute Care Hospitals · Salem, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220035
Location81 Highland AvenueSalem, MA 01970 · Essex County
Emergency services Birthing friendly

Massachusetts General Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220071
Location55 Fruit StreetBoston, MA 02114 · Suffolk 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

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.

91.41/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality76.87
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 10

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

Anesthesiology (Pain Medicine)
77 HERRICK ST STE 201
BEVERLY, MA 01915
Physician Assistant
77 HERRICK ST STE 201
BEVERLY, MA 01915
Pain Medicine (Interventional Pain Medicine)
77 HERRICK ST STE 201
BEVERLY, MA 01915
Nurse Practitioner (Family)
77 HERRICK ST STE 201
BEVERLY, MA 01915
Anesthesiology (Pain Medicine)
77 HERRICK ST STE 201
BEVERLY, MA 01915
Physical Medicine & Rehabilitation (Pain Medicine)
77 HERRICK ST STE 201
BEVERLY, MA 01915
Physician Assistant
77 HERRICK ST STE 201
BEVERLY, MA 01915
Physician Assistant
77 HERRICK ST STE 201
BEVERLY, MA 01915

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 William Mayers's NPI number?

The NPI number for William Mayers is 1306200225. It was assigned to this individual provider in the NPPES registry on April 6, 2016.

Where is William Mayers located?

William Mayers practices at 77 Herrick St Ste 201, Beverly, MA 01915. The listed phone number is (978) 927-7246.

What is William Mayers's specialty?

The primary specialty registered for this NPI is Anesthesiology, specializing in Pain Medicine, with taxonomy code 207LP2900X.

Is William Mayers enrolled in Medicare?

Yes. William Mayers 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 William Mayers accept?

Health plans from Anthem Blue Cross and Blue Shield list William Mayers 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 William Mayers affiliated with any hospitals?

According to CMS data, William Mayers is affiliated with Northeast Hospital Corporation, North Shore Medical Center -, Massachusetts General Hospital and Winchester Hospital.

When was this NPI record last updated?

The NPPES record for William Mayers was last updated on March 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.