Doctor profile · Federal record

Dr. Katherine Modzelewski, MD

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

  • NPI 1881953248
  • Accepts Medicare
  • 14 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
732 Harrison Ave, Fl 2, Preston Bldg
Boston, MA 021182309
(617) 638-7470
fax (617) 638-7449
Mailing address
960 Massachusetts Avenue, Fl 2
Boston, MA 021182690

Credentials & registration

NPPES · NUCC
NPI registered
May 2012 — 14 yrs on file
Profile last updated
April 1, 2024
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State license (1)
Massachusetts #269695
Medicaid (2)
MA #110102721A · NH #3124076

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1881953248. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
190
Distinct HCPCS
4
Medicare allowed
$17,770
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 94 73 $102
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 49 28 $84
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 35 15 $53
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 12 12 $184

In context: peer comparison

Among 97 peers in this city , average services per provider: 116. This provider delivers 1.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
707
Patients
149
Total drug cost
$382,826
Drug Type Claims Patients Total cost
Trulicity (Dulaglutide) Brand 124 33 $202,028
Lantus Solostar (Insulin Glargine,hum.Rec.Anlog) Brand 86 26 $34,480
Metformin Hcl Generic 66 22 $994
Levothyroxine Sodium Generic 63 17 $1,294
Novolog Flexpen (Insulin Aspart) Brand 52 11 $27,989
Metformin Hcl Er (Metformin Hcl) Brand 47 13 $953
Ultra-Fine Short Pen Needle (Pen Needle, Diabetic) Brand 47 15 $3,534
Estradiol Generic 44 12 $2,532
Spironolactone Generic 40 0 $2,024
Jardiance (Empagliflozin) Brand 34 0 $54,966

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Katherine Modzelewski's medical specialty?
Dr. Katherine Modzelewski practices Endocrinology, Diabetes & Metabolism Physician in Boston, MA.
Where does Dr. Katherine Modzelewski practice?
Dr. Katherine Modzelewski practices at 732 Harrison Ave, Fl 2, Boston, MA 021182309. Office phone: 6176387470.
What is Dr. Katherine Modzelewski's NPI?
Dr. Katherine Modzelewski's National Provider Identifier (NPI) is 1881953248, issued by NPPES.
Does Dr. Katherine Modzelewski accept Medicare assignment?
Yes. Dr. Katherine Modzelewski accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katherine Modzelewski commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231). Source: CMS Medicare Physician & Other Practitioners file.