Doctor profile · Federal record

Dr. Sarah Williams, M.D.

Critical Care Medicine (Internal Medicine) Physician (CMS: Critical Care (Intensivists)) · Internal Medicine Physician · Internal Medicine Physician · Critical Care Medicine (Internal Medicine) Physician · Pulmonary Disease Physician · Pulmonary Disease Physician · Baltimore, MD

  • NPI 1326433145
  • Accepts Medicare
  • MIPS 100.0 / 100 · 2023
  • 11 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
22 S Greene St
Baltimore, MD 212011590
(410) 328-8141
fax (410) 328-0177
Mailing address
Po Box 64442
Baltimore, MD 212644442

Credentials & registration

NPPES · NUCC
NPI registered
March 2015 — 11 yrs on file
Profile last updated
August 16, 2021
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207RC0200X — NUCC code
State licenses (2)
Maryland #D87902 · Maryland #D0087902

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1326433145. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
624
Distinct HCPCS
10
Medicare allowed
$55,918
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 87 32 $227
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 76 41 $83
99214 Established patient office or other outpatient visit, 30-39 minutes 74 45 $133
94010 Test to measure expiratory airflow and volume 63 59 $8
94729 Test to examine how well the lungs exchange gases 59 57 $9
94726 Test to determine lung volumes using sensors 57 55 $12
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 33 32 $138
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 29 22 $126
94010 Test to measure expiratory airflow and volume 28 27 $29
94726 Test to determine lung volumes using sensors 28 28 $59

In context: peer comparison

Among 36 peers in this city , average services per provider: 65. This provider delivers 9.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
239
Patients
28
Total drug cost
$65,617
Drug Type Claims Patients Total cost
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 35 16 $1,489
Anoro Ellipta (Umeclidinium Brm/Vilanterol Tr) Brand 34 0 $20,792
Mycophenolate Mofetil Generic 29 0 $3,902
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 28 0 $18,434
Prednisone Generic 26 12 $313
Fluticasone Propionate Generic 20 0 $449
Montelukast Sodium Generic 16 0 $335
Ventolin Hfa (Albuterol Sulfate) Brand 15 0 $1,030
Advair Hfa (Fluticasone Propion/Salmeterol) Brand 12 0 $7,060
Breo Ellipta (Fluticasone/Vilanterol) Brand 12 0 $5,821

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Sarah Williams's medical specialty?
Dr. Sarah Williams practices Critical Care Medicine (Internal Medicine) Physician in Baltimore, MD.
Where does Dr. Sarah Williams practice?
Dr. Sarah Williams practices at 22 S Greene St, Baltimore, MD 212011590. Office phone: 4103288141.
What is Dr. Sarah Williams's NPI?
Dr. Sarah Williams's National Provider Identifier (NPI) is 1326433145, issued by NPPES.
Does Dr. Sarah Williams accept Medicare assignment?
Yes. Dr. Sarah Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sarah Williams commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.