Doctor profile · Federal record

Dr. William Schmitt, MD

Internal Medicine Physician (CMS: Internal Medicine) · Charlestown, MA

  • NPI 1619958808
  • Accepts Medicare
  • 35 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
73 High St, Charlestown Healthcare Center
Charlestown, MA 021293026
(617) 724-8135
fax (617) 724-8010
Mailing address
Po Box 9142
Charlestown, MA 021299142

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
February 17, 2014
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Massachusetts #79580
Medicaid
MA #3129543

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1619958808. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
572
Distinct HCPCS
6
Medicare allowed
$59,499
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 364 212 $104
99215 Established patient office or other outpatient visit, 40-54 minutes 58 45 $153
99213 Established patient office or other outpatient visit, 20-29 minutes 51 48 $70
99214 Established patient office or other outpatient visit, 30-39 minutes 38 37 $104
99213 Established patient office or other outpatient visit, 20-29 minutes 32 31 $70
99443 Telephone medical discussion with physician, 21-30 minutes 29 21 $103

In context: peer comparison

Among 7 peers in Charlestown Internal Medicine Physician, average services per provider: 113. This provider delivers 5.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,073
Patients
569
Total drug cost
$191,030
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 245 82 $5,540
Omeprazole Generic 212 59 $6,128
Amlodipine Besylate Generic 209 53 $2,162
Gabapentin Generic 180 49 $5,185
Metoprolol Succinate Generic 145 42 $3,796
Tamsulosin Hcl Generic 124 31 $4,428
Lisinopril Generic 122 43 $1,501
Lorazepam Generic 117 27 $551
Trulicity (Dulaglutide) Brand 113 22 $146,673
Levothyroxine Sodium Generic 107 32 $2,063

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Schmitt's medical specialty?
Dr. William Schmitt practices Internal Medicine Physician in Charlestown, MA.
Where does Dr. William Schmitt practice?
Dr. William Schmitt practices at 73 High St, Charlestown, MA 021293026. Office phone: 6177248135.
What is Dr. William Schmitt's NPI?
Dr. William Schmitt's National Provider Identifier (NPI) is 1619958808, issued by NPPES.
Does Dr. William Schmitt accept Medicare assignment?
Yes. Dr. William Schmitt accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Schmitt commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.