Doctor profile · Federal record

Dr. Mark Dykewicz, MD

Allergy & Immunology (Internal Medicine) Physician (CMS: Allergy/Immunology) · Saint Louis, MO

  • NPI 1518971092
  • Accepts Medicare
  • MIPS 79.1 / 100 · 2023
  • 45 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3691 Rutger St, Suite 100
Saint Louis, MO 631102515
(314) 977-9050
fax (314) 977-9770
Mailing address
1402 S Grand Blvd, M157
Saint Louis, MO 631041004

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
April 1, 2015
Year of graduation
1981 — 45 yrs since
Specialty taxonomy
207RA0201X — NUCC code
State license (1)
Missouri #R3N72

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1518971092. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
32
Distinct HCPCS
2
Medicare allowed
$3,355
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 18 18 $96
99214 Established patient office or other outpatient visit, 30-39 minutes 14 14 $116

In context: peer comparison

Among 6 peers in this city , average services per provider: 686. This provider delivers 0.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$33
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
PFIZER INC. 2 $32.88

By nature of payment

Food and Beverage
$33

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
197
Patients
27
Total drug cost
$179,066
Drug Type Claims Patients Total cost
Fluticasone Propionate Generic 37 13 $699
Azelastine Hcl Generic 33 14 $1,492
Symbicort (Budesonide/Formoterol Fumarate) Brand 19 0 $9,859
Hizentra (Immun Glob G(Igg)/Pro/Iga 0-50) Brand 18 0 $111,847
Famotidine Generic 17 0 $317
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 16 0 $10,394
Xolair (Omalizumab) Brand 16 0 $42,516
Ipratropium Bromide Generic 15 0 $391
Montelukast Sodium Generic 15 0 $113
Mometasone Furoate Generic 11 0 $1,439

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Dykewicz's medical specialty?
Dr. Mark Dykewicz practices Allergy & Immunology (Internal Medicine) Physician in Saint Louis, MO.
Where does Dr. Mark Dykewicz practice?
Dr. Mark Dykewicz practices at 3691 Rutger St, Saint Louis, MO 631102515. Office phone: 3149779050.
What is Dr. Mark Dykewicz's NPI?
Dr. Mark Dykewicz's National Provider Identifier (NPI) is 1518971092, issued by NPPES.
Does Dr. Mark Dykewicz accept Medicare assignment?
Yes. Dr. Mark Dykewicz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Dykewicz commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.