Doctor profile · Federal record

Dr. Kate Zimmerman, DO

Emergency Medicine Physician (CMS: Emergency Medicine) · Portland, ME

  • NPI 1215030028
  • Accepts Medicare
  • MIPS 93.1 / 100 · 2023
  • 24 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
22 Bramhall St
Portland, ME 041023134
(207) 662-7046
fax (207) 662-7025

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
February 6, 2013
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Maine #1911

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1215030028. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
128
Distinct HCPCS
4
Medicare allowed
$20,019
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 68 68 $172
99284 Emergency department visit with moderate level of medical decision making 30 30 $118
99291 Critical care, first 30-74 minutes 19 19 $210
99283 Emergency department visit with low level of medical decision making 11 11 $70

In context: peer comparison

Among 44 peers in Portland Emergency Medicine Physician, average services per provider: 68. This provider delivers 1.9× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Kate Zimmerman's medical specialty?
Dr. Kate Zimmerman practices Emergency Medicine Physician in Portland, ME.
Where does Dr. Kate Zimmerman practice?
Dr. Kate Zimmerman practices at 22 Bramhall St, Portland, ME 041023134. Office phone: 2076627046.
What is Dr. Kate Zimmerman's NPI?
Dr. Kate Zimmerman's National Provider Identifier (NPI) is 1215030028, issued by NPPES.
Does Dr. Kate Zimmerman accept Medicare assignment?
Yes. Dr. Kate Zimmerman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kate Zimmerman commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.