Doctor profile · Federal record

Dr. Mark Neavyn, MD

Emergency Medicine Physician · Emergency Medicine Physician · Emergency Medicine Physician · Medical Toxicology (Emergency Medicine) Physician · Medical Toxicology (Emergency Medicine) Physician · Portland, ME

  • NPI 1578719704
  • MIPS 93.1 / 100 · 2023
  • 18 yrs on file
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
22 Bramhall St
Portland, ME 041023134
(207) 662-2381
Mailing address
6 Flintlock Ln
Falmouth, ME 041052536

Credentials & registration

NPPES · NUCC
NPI registered
August 2008 — 18 yrs on file
Profile last updated
October 29, 2021
Specialty taxonomy
207P00000X — NUCC code
State licenses (3)
Maine #MD23807 · Massachusetts #250461 · Connecticut #052572
Medicaid
MA #110092404A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1578719704. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
123
Distinct HCPCS
3
Medicare allowed
$20,000
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 62 62 $172
99284 Emergency department visit with moderate level of medical decision making 38 38 $119
99291 Critical care, first 30-74 minutes 23 23 $210

In context: peer comparison

Among 44 peers in Portland Emergency Medicine Physician, average services per provider: 68. This provider delivers 1.8× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Neavyn's medical specialty?
Dr. Mark Neavyn practices Emergency Medicine Physician in Portland, ME.
Where does Dr. Mark Neavyn practice?
Dr. Mark Neavyn practices at 22 Bramhall St, Portland, ME 041023134. Office phone: 2076622381.
What is Dr. Mark Neavyn's NPI?
Dr. Mark Neavyn's National Provider Identifier (NPI) is 1578719704, issued by NPPES.
What procedures does Dr. Mark Neavyn 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.