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DR. ERICA L MAYER MD MPH
NPI 1336121789
Internal Medicine - Medical Oncology in Boston, MA

Active since November 18, 2005PECOS EnrolledAccepts Medicare Assignment
86.28/100
CMS Quality Rating
450 BROOKLINE AVE, BOSTON, MA 02215(617) 632-3800(617) 632-1930 Get Directions Write a Review

NPPES record last updated: November 23, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Erica L Mayer Md Mph NPPES

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

DR. ERICA L MAYER MD MPH (NPI 1336121789) is an individual medical oncology provider in Boston, Massachusetts, licensed in Massachusetts (215788) and active in the NPI registry since November 2005. She is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of Harvard Medical School (2000).

NPPES Registry Identity

NPI1336121789
Entity TypeIndividualFemale
Primary Taxonomy207RX0202X
Provider Legal NameDR. ERICA L MAYERCredential: MD MPH
Location Address450 BROOKLINE AVEBoston, MA 02215-5418
Mailing Address450 Brookline AveBoston, MA 02215-5418 · (617) 632-3800 · Fax (617) 632-1930
Phone(617) 632-3800
Fax(617) 632-1930
Sole ProprietorNo
Medical School CMSHarvard Medical SchoolGraduated 2000
Enumeration DateNovember 18, 2005
Last NPPES UpdateNovember 23, 2020
NPPES CertifiedNovember 23, 2020
✔ NPI 1336121789 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RX0202X
License✔ Licensed in MA · 215788
Definition
An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.
450 BROOKLINE AVE, Boston, MA 02215
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

Dr. Erica L Mayer Md Mph 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 ID6800809724
PECOS Enrollment IDI20060719000182
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 5

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 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.
59 services44 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.
58 services49 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
47 services11 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.
24 services16 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.
18 services14 patients

Hospital Affiliations CMS Care Compare 3

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

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

Brigham And Women's Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220110
Location75 Francis StreetBoston, MA 02115 · Suffolk County
Emergency services Birthing friendly

Faulkner Hospital-Brigham And Women's

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220119
Location1153 Centre StreetBoston, MA 02130 · Suffolk County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02215 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
$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.

86.28/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality69.36
Promoting Interoperability100
Improvement Activities40

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.

PRABHSIMRANJOT SINGH MD
Internal Medicine (Hematology & Oncology)
450 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (617) 582-7956
SHAWN MAGUIRE PA-C
Physician Assistant
450 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (617) 582-8487
KARINA FRANCA
Genetic Counselor, MS
450 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (857) 215-2285
DR. SUZANNE JAQUETH FORREST M.D.
Pediatrics (Pediatric Hematology-Oncology)
450 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (617) 632-3270
LAUREN KIRITSY MSW, LCSW
Counselor (Mental Health)
450 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (857) 215-3448
OFIR WOLAJ MD
Internal Medicine (Hematology & Oncology)
450 BROOKLINE AVE, DANA 2058
BOSTON, MA 02215
Suffolk County (617) 632-6139
JASON BATALHA AGPCNP-BC
Nurse Practitioner
450 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (617) 632-6140
FATIMA EMRAN AMIR MS, LGC
Genetic Counselor, MS
450 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (617) 632-3729

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 Erica Mayer's NPI number?

The NPI number for Erica Mayer is 1336121789. It was assigned to this individual provider in the NPPES registry on November 18, 2005.

Where is Erica Mayer located?

Erica Mayer practices at 450 Brookline Ave, Boston, MA 02215. The listed phone number is (617) 632-3800.

What is Erica Mayer's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Is Erica Mayer enrolled in Medicare?

Yes. Erica Mayer 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 Erica Mayer affiliated with any hospitals?

According to CMS data, Erica Mayer is affiliated with Massachusetts General Hospital, Brigham And Women's Hospital and Faulkner Hospital-Brigham And Women's.

When was this NPI record last updated?

The NPPES record for Erica Mayer was last updated on November 23, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.