Doctor profile · Federal record

Dr. Mark Engelstad, M.D.

Family Medicine Physician (CMS: Family Practice) · Westminster, CO

  • NPI 1619914447
  • Accepts Medicare
  • 30 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3520 W 92Nd Ave, Suite #104
Westminster, CO 800313303
(303) 429-6600

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
May 13, 2014
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Colorado #36313
Medicaid
CO #01363134

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1619914447. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,823
Distinct HCPCS
10
Medicare allowed
$116,799
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 842 242 $83
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 157 157 $50
G0008 Administration of influenza virus vaccine 102 102 $31
36415 Insertion of needle into vein for collection of blood sample 94 82 $7
90662 Influenza vaccine split virus, preservative free 83 83 $71
0134A Adm sarscv2 bvl 50mcg/.5ml a 53 52 $41
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg 53 13 $2
96372 Injection of drug or substance under skin or into muscle 52 13 $14
87428 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza 46 39 $51
90480 Admn sarscov2 vacc 1 dose 44 44 $40

In context: peer comparison

Among 41 peers in this city , average services per provider: 60. This provider delivers 30× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,246
Transactions
65
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 21 $349.39
AstraZeneca Pharmaceuticals LP 8 $161.42
PFIZER INC. 7 $115.99
Salix Pharmaceuticals, a division of Bausch Health US, LLC 4 $61.88
Sumitomo Pharma America, Inc. 3 $61.35
Bayer Healthcare Pharmaceuticals Inc. 4 $59.79
Amgen Inc. 3 $57.08
Exact Sciences Corporation 3 $53.77
Lilly USA, LLC 3 $51.63
GlaxoSmithKline, LLC. 3 $50.59
Novo Nordisk Inc 2 $34.26
ABIOMED 1 $27.73
Eisai Inc. 1 $24.81
Hologic Sales and Service, LLC 1 $24.39
Astellas Pharma US Inc 1 $24.28

By nature of payment

Food and Beverage
$1,246

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,792
Patients
1,019
Total drug cost
$77,797
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 640 176 $9,973
Levothyroxine Sodium Generic 430 103 $9,126
Omeprazole Generic 351 102 $8,440
Amlodipine Besylate Generic 297 85 $2,850
Lisinopril Generic 264 67 $2,679
Escitalopram Oxalate Generic 195 61 $3,238
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 188 72 $9,047
Oxycodone Hcl Generic 188 33 $3,416
Metoprolol Succinate Generic 184 63 $4,271
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 183 29 $7,378

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Engelstad's medical specialty?
Dr. Mark Engelstad practices Family Medicine Physician in Westminster, CO.
Where does Dr. Mark Engelstad practice?
Dr. Mark Engelstad practices at 3520 W 92Nd Ave, Westminster, CO 800313303. Office phone: 3034296600.
What is Dr. Mark Engelstad's NPI?
Dr. Mark Engelstad's National Provider Identifier (NPI) is 1619914447, issued by NPPES.
Does Dr. Mark Engelstad accept Medicare assignment?
Yes. Dr. Mark Engelstad accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Engelstad commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Administration of influenza virus vaccine (HCPCS G0008). Source: CMS Medicare Physician & Other Practitioners file.