Doctor profile · Federal record

Dr. Kathryn Allen, NP

Nurse Practitioner · Boston, MA

  • NPI 1427359603
  • Accepts Medicare
  • 17 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
55 Fruit St, Yawkey 7B
Boston, MA 021142621
(617) 724-4000

Credentials & registration

NPPES · NUCC
NPI registered
November 2010 — 16 yrs on file
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
Massachusetts #273597

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1427359603. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
564
Distinct HCPCS
3
Medicare allowed
$64,232
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 363 127 $119
99213 Established patient office or other outpatient visit, 20-29 minutes 153 77 $85
99215 Established patient office or other outpatient visit, 40-54 minutes 48 32 $166

In context: peer comparison

Among 151 peers in Boston Nurse Practitioner, average services per provider: 101. This provider delivers 5.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
366
Patients
86
Total drug cost
$3,830,791
Drug Type Claims Patients Total cost
Revlimid (Lenalidomide) Brand 105 33 $1,956,601
Lenalidomide Generic 55 24 $773,891
Acyclovir Generic 36 17 $1,176
Eliquis (Apixaban) Brand 30 12 $30,491
Imbruvica (Ibrutinib) Brand 23 0 $329,068
Hydroxyurea Generic 21 0 $848
Venclexta (Venetoclax) Brand 19 0 $237,003
Lorazepam Generic 14 0 $32
Omeprazole Generic 14 0 $338
Pomalyst (Pomalidomide) Brand 13 0 $257,044

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Kathryn Allen's medical specialty?
Dr. Kathryn Allen practices Nurse Practitioner in Boston, MA.
Where does Dr. Kathryn Allen practice?
Dr. Kathryn Allen practices at 55 Fruit St, Boston, MA 021142621. Office phone: 6177244000.
What is Dr. Kathryn Allen's NPI?
Dr. Kathryn Allen's National Provider Identifier (NPI) is 1427359603, issued by NPPES.
Does Dr. Kathryn Allen accept Medicare assignment?
Yes. Dr. Kathryn Allen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kathryn Allen 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 99213); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.