Doctor profile · Federal record

Dr. Erika Williams

Student in an Organized Health Care Education/Training Program (CMS: Neurology) · Neurology Physician · Boston, MA

  • NPI 1528558772
  • Accepts Medicare
  • 8 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
55 Fruit St
Boston, MA 021142621
(617) 724-3914
Additional location
45 Francis St
Boston, MA 021156105
(617) 732-5500
Mailing address
131 Fuller St
Brookline, MA 024465711

Credentials & registration

NPPES · NUCC
NPI registered
May 2018 — 8 yrs on file
Profile last updated
February 5, 2024
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
390200000X — NUCC code
State license (1)
Massachusetts #291602

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1528558772. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
51
Distinct HCPCS
3
Medicare allowed
$6,413
HCPCS Description Services Patients Avg allowed
95886 Needle measurement of electrical activity in arm or leg muscles, complete study 23 21 $48
99215 Established patient office or other outpatient visit, 40-54 minutes 15 14 $146
99205 New patient office or other outpatient visit, 60-74 minutes 13 13 $239

In context: peer comparison

Among 41 peers in Boston Student in an Organized Health Care Education/Training Program, average services per provider: 61. This provider delivers 0.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
58
Patients
0
Total drug cost
$3,357
Drug Type Claims Patients Total cost
Prednisone Generic 19 0 $238
Pyridostigmine Bromide Generic 14 0 $483
Mycophenolate Mofetil Generic 13 0 $1,417
Azathioprine Generic 12 0 $1,219

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Erika Williams's medical specialty?
Dr. Erika Williams practices Student in an Organized Health Care Education/Training Program in Boston, MA.
Where does Dr. Erika Williams practice?
Dr. Erika Williams practices at 55 Fruit St, Boston, MA 021142621. Office phone: 6177243914.
What is Dr. Erika Williams's NPI?
Dr. Erika Williams's National Provider Identifier (NPI) is 1528558772, issued by NPPES.
Does Dr. Erika Williams accept Medicare assignment?
Yes. Dr. Erika Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Erika Williams commonly perform?
Top Medicare-reported procedures in 2023: Needle measurement of electrical activity in arm or leg muscles, complete study (HCPCS 95886); Established patient office or other outpatient visit (HCPCS 99215); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.