Doctor profile · Federal record

Dr. Katherine van Zandt, CNP

Nurse Practitioner · Registered Nurse · Acute Care Nurse Practitioner · Worcester, MA

  • NPI 1306256672
  • Accepts Medicare
  • 15 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
55 Lake Ave N
Worcester, MA 016550002
(508) 421-1400
fax (508) 421-1490
Additional location
55 Fruit St
Boston, MA 021142696
(617) 726-2000
Mailing address
Po Box 415348
Boston, MA 022415348

Credentials & registration

NPPES · NUCC
NPI registered
May 2014 — 12 yrs on file
Profile last updated
November 30, 2020
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
Massachusetts #RN2264732
Medicaid
MA #110104568A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1306256672. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
62
Distinct HCPCS
2
Medicare allowed
$7,382
HCPCS Description Services Patients Avg allowed
99284 Emergency department visit with moderate level of medical decision making 43 43 $103
99285 Emergency department visit with high level of medical decision making 19 19 $154

In context: peer comparison

Among 119 peers in Worcester Nurse Practitioner, average services per provider: 94. This provider delivers 0.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
22
Patients
22
Total drug cost
$779
Drug Type Claims Patients Total cost
Cefpodoxime Proxetil Generic 11 11 $653
Cephalexin Generic 11 11 $126

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Katherine van Zandt's medical specialty?
Dr. Katherine van Zandt practices Nurse Practitioner in Worcester, MA.
Where does Dr. Katherine van Zandt practice?
Dr. Katherine van Zandt practices at 55 Lake Ave N, Worcester, MA 016550002. Office phone: 5084211400.
What is Dr. Katherine van Zandt's NPI?
Dr. Katherine van Zandt's National Provider Identifier (NPI) is 1306256672, issued by NPPES.
Does Dr. Katherine van Zandt accept Medicare assignment?
Yes. Dr. Katherine van Zandt accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katherine van Zandt commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with high level of medical decision making (HCPCS 99285). Source: CMS Medicare Physician & Other Practitioners file.