Doctor profile · Federal record

Dr. William Brown

Family Medicine Physician (CMS: Family Practice) · Harvard, MA

  • NPI 1851928923
  • Accepts Medicare
  • MIPS 89.0 / 100 · 2023
  • 6 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
198 Ayer RD
Harvard, MA 014511163
(784) 562-3559
fax (978) 456-2356
Mailing address
Po Box 415348
Boston, MA 022415348

Credentials & registration

NPPES · NUCC
NPI registered
March 2020 — 6 yrs on file
Profile last updated
October 13, 2023
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Massachusetts #1016154

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851928923. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
68
Distinct HCPCS
2
Medicare allowed
$6,460
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 38 34 $82
99214 Established patient office or other outpatient visit, 30-39 minutes 30 30 $111

In context: peer comparison

Among 4 peers in Harvard Family Medicine Physician, average services per provider: 33. This provider delivers 2.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
267
Patients
71
Total drug cost
$18,954
Drug Type Claims Patients Total cost
Lisinopril Generic 58 22 $729
Amlodipine Besylate Generic 27 12 $147
Omeprazole Generic 23 14 $1,001
Atorvastatin Calcium Generic 19 12 $230
Atenolol Generic 18 0 $230
Eliquis (Apixaban) Brand 17 0 $14,519
Metoprolol Succinate Generic 17 0 $676
Gabapentin Generic 16 11 $411
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 13 0 $450
Levothyroxine Sodium Generic 12 0 $136

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Brown's medical specialty?
Dr. William Brown practices Family Medicine Physician in Harvard, MA.
Where does Dr. William Brown practice?
Dr. William Brown practices at 198 Ayer RD, Harvard, MA 014511163. Office phone: 7845623559.
What is Dr. William Brown's NPI?
Dr. William Brown's National Provider Identifier (NPI) is 1851928923, issued by NPPES.
Does Dr. William Brown accept Medicare assignment?
Yes. Dr. William Brown accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Brown commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.