Doctor profile · Federal record

Dr. Sarah Zaheer, M.D.

Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Internal Medicine Physician · Boston, MA

  • NPI 1407177892
  • Accepts Medicare
  • 16 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
221 Longwood Ave
Boston, MA 021155804
(617) 732-5661

Credentials & registration

NPPES · NUCC
NPI registered
June 2010 — 16 yrs on file
Profile last updated
September 1, 2016
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State licenses (2)
Massachusetts #254583 · Illinois #125057398

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1407177892. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,155
Distinct HCPCS
10
Medicare allowed
$65,287
HCPCS Description Services Patients Avg allowed
77080 Dxa bone density measurement of hip, pelvis, spine 393 393 $9
77080 Dxa bone density measurement of hip, pelvis, spine 276 276 $9
99214 Established patient office or other outpatient visit, 30-39 minutes 142 124 $118
99214 Established patient office or other outpatient visit, 30-39 minutes 92 83 $93
99215 Established patient office or other outpatient visit, 40-54 minutes 56 48 $168
99204 New patient office or other outpatient visit, 45-59 minutes 46 46 $127
99215 Established patient office or other outpatient visit, 40-54 minutes 34 31 $137
99204 New patient office or other outpatient visit, 45-59 minutes 31 31 $155
99205 New patient office or other outpatient visit, 60-74 minutes 27 27 $172
82962 Blood glucose (sugar) test performed by hand-held instrument 24 16 $3

In context: peer comparison

Among 97 peers in Boston Endocrinology, Diabetes & Metabolism Physician, average services per provider: 116. This provider delivers 10.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
959
Patients
215
Total drug cost
$196,664
Drug Type Claims Patients Total cost
Alendronate Sodium Generic 340 94 $3,703
Levothyroxine Sodium Generic 185 59 $3,215
Methimazole Generic 82 19 $1,307
Risedronate Sodium Generic 55 13 $5,854
Metformin Hcl Generic 53 17 $628
Synthroid (Levothyroxine Sodium) Brand 53 13 $5,296
Lantus Solostar (Insulin Glargine,Hum.Rec.Anlog) Brand 37 0 $23,655
Jardiance (Empagliflozin) Brand 32 0 $36,676
Ozempic (Semaglutide) Brand 28 0 $40,427
Trulicity (Dulaglutide) Brand 25 0 $40,168

Frequently asked questions

Auto-generated from federal data
What is Dr. Sarah Zaheer's medical specialty?
Dr. Sarah Zaheer practices Endocrinology, Diabetes & Metabolism Physician in Boston, MA.
Where does Dr. Sarah Zaheer practice?
Dr. Sarah Zaheer practices at 221 Longwood Ave, Boston, MA 021155804. Office phone: 6177325661.
What is Dr. Sarah Zaheer's NPI?
Dr. Sarah Zaheer's National Provider Identifier (NPI) is 1407177892, issued by NPPES.
Does Dr. Sarah Zaheer accept Medicare assignment?
Yes. Dr. Sarah Zaheer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sarah Zaheer commonly perform?
Top Medicare-reported procedures in 2023: Dxa bone density measurement of hip, pelvis, spine (HCPCS 77080); Dxa bone density measurement of hip, pelvis, spine (HCPCS 77080); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.