Doctor profile · Federal record

Dr. Peter Lennarson, MD

Neurological Surgery Physician (CMS: Neurosurgery) · Neurological Surgery Physician · Denver, CO

  • NPI 1013966001
  • Accepts Medicare
  • MIPS 88.6 / 100 · 2023
  • 31 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2045 N Franklin St
Denver, CO 802055437
(303) 338-4545

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
July 21, 2022
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
207T00000X — NUCC code
State licenses (2)
Colorado #52461 · Nebraska #23280
Medicaid (2)
NE #47078557581 · CO #87629267

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1013966001. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
219
Distinct HCPCS
8
Medicare allowed
$70,277
HCPCS Description Services Patients Avg allowed
22614 Fusion of additional segment of spine 57 13 $353
99204 New patient office or other outpatient visit, 45-59 minutes 41 41 $132
22853 Insertion of cage or mesh device to spine bone and disc space during spine fusion 32 19 $242
99205 New patient office or other outpatient visit, 60-74 minutes 25 25 $183
61783 Computer-assisted spinal procedure 18 17 $229
99215 Established patient office or other outpatient visit, 40-54 minutes 17 17 $145
22633 Fusion of spine in lower back with partial removal of spine bone and disc 15 15 $1,629
99214 Established patient office or other outpatient visit, 30-39 minutes 14 14 $98

In context: peer comparison

Among 3 peers in this city , average services per provider: 41. This provider delivers 5.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$955
Transactions
10
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
MML US, Inc. 7 $675.88
Carbofix Spine Inc 1 $123.63
Cerapedics Inc. 1 $98.33
Orthofix Medical, Inc. 1 $57.36

By nature of payment

Food and Beverage
$517
Travel and Lodging
$438

Frequently asked questions

Auto-generated from federal data
What is Dr. Peter Lennarson's medical specialty?
Dr. Peter Lennarson practices Neurological Surgery Physician in Denver, CO.
Where does Dr. Peter Lennarson practice?
Dr. Peter Lennarson practices at 2045 N Franklin St, Denver, CO 802055437. Office phone: 3033384545.
What is Dr. Peter Lennarson's NPI?
Dr. Peter Lennarson's National Provider Identifier (NPI) is 1013966001, issued by NPPES.
Does Dr. Peter Lennarson accept Medicare assignment?
Yes. Dr. Peter Lennarson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Peter Lennarson commonly perform?
Top Medicare-reported procedures in 2023: Fusion of additional segment of spine (HCPCS 22614); New patient office or other outpatient visit (HCPCS 99204); Insertion of cage or mesh device to spine bone and disc space during spine fusion (HCPCS 22853). Source: CMS Medicare Physician & Other Practitioners file.