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MARK S DYKEWICZ MD
NPI 1518971092
Internal Medicine - Allergy & Immunology in Saint Louis, MO

Active since July 28, 2006PECOS EnrolledAccepts Medicare Assignment
81.57/100
CMS Quality Rating
3691 RUTGER ST, SUITE 100, SAINT LOUIS, MO 63110(314) 977-9050(314) 977-9770 Get Directions Write a Review

NPPES record last updated: April 1, 2015. Verified against the NPPES registry weekly; last sync: September 06, 2026.

About Mark S Dykewicz Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARK S DYKEWICZ MD (NPI 1518971092) is an individual allergy & immunology provider in Saint Louis, Missouri, licensed in Missouri (R3N72) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Ssm Health Saint Louis University Hospital, and is a graduate of Saint Louis University School Of Medicine (1981).

NPPES Registry Identity

NPI1518971092
Entity TypeIndividualMale
Primary Taxonomy207RA0201X
Provider Legal NameMARK S DYKEWICZCredential: MD
Location Address3691 RUTGER ST, SUITE 100Saint Louis, MO 63110-2515
Mailing Address1402 S Grand Blvd, M157Saint Louis, MO 63104-1004 · (314) 977-8828 · Fax (314) 977-8816
Phone(314) 977-9050
Fax(314) 977-9770
Sole ProprietorYes
Medical School CMSSaint Louis University School Of MedicineGraduated 1981
Enumeration DateJuly 28, 2006
Last NPPES UpdateApril 1, 2015
✔ NPI 1518971092 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Allergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207RA0201X
License✔ Licensed in MO · R3N72
Definition
An internist doctor of osteopathy that specializes in the treatment of allergy and immunologic disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine can obtain a Certificate of Special Qualifications in the field of Allergy & Immunology.
3691 RUTGER ST, Saint Louis, MO 63110
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Sunflower Health Plan and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mark S Dykewicz Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID648327619
PECOS Enrollment IDI20131011000767
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
26 services23 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
19 services18 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Ssm Health Saint Louis University Hospital

Acute Care Hospitals · Saint Louis, MO
1/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number260105
Location3635 Vista AveSaint Louis, MO 63110 · St. Louis City County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63110 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$128.28 typical visit price
range $55.65 – $169.38
Typical copayment $32.07 (range $13.91 – $42.34)
Most-billed visit code 99204
Established Patient
$69.50 typical visit price
range $17.76 – $137.92
Typical copayment $17.37 (range $4.44 – $34.48)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

81.57/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality76.09
Promoting Interoperability100
Improvement Activities40
Cost54.28

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Injection, immune globulin (hizentra), 100 mg J1559
Treatment-Injections and Infusions (nononcologic) · category RI008N
3 suppliers20 claims9,320 services$9.48 avg. paid by Medicare
Injection, immune globulin, (gamunex-c/gammaked), non-lyophilized (e.g., liquid), 500 mg J1561
Treatment-Injections and Infusions (nononcologic) · category RI008N
2 suppliers18 claims1,800 services$35.27 avg. paid by Medicare
Supplies for external non-insulin drug infusion pump, syringe type cartridge, sterile, each K0552
DME-Other DME · category DE000N
3 suppliers20 claims102 services$2.39 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 13

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SARAH R WALSH MOT, OTR/L
Occupational Therapist
3691 RUTGER ST
SAINT LOUIS, MO 63110
St. Louis City (314) 977-6828
PROF. VEYSEL AKGUN MD
Radiology (Diagnostic Radiology)
3691 RUTGER ST
SAINT LOUIS, MO 63110
St. Louis City (314) 617-2876
ALEC BOLD DO
Student in an Organized Health Care Education/Training Program
3691 RUTGER ST
SAINT LOUIS, MO 63110
St. Louis City (314) 977-1919
MARY E HOHENBERG PA
Physician Assistant (Surgical)
3691 RUTGER ST
SAINT LOUIS, MO 63110
St. Louis City (314) 977-6828
MS. SHERRY LYNNE MUIR MOT, OTR
Occupational Therapist
3691 RUTGER ST
SAINT LOUIS, MO 63110
St. Louis City (314) 977-6828
ST. LOUIS RENAL CARE LLC GRAND
Clinic/Center (End-Stage Renal Disease (ESRD) Treatment)
3691 RUTGER ST, SUITE 222
SAINT LOUIS, MO 63110
St. Louis City (314) 268-5063
DR. BISHNU P DEVKOTA M.D.
Internal Medicine
3691 RUTGER ST
SAINT LOUIS, MO 63110
St. Louis City (314) 977-6828
CAROL G. DUANE CPNP
Registered Nurse
3691 RUTGER ST, SUITE 100
SAINT LOUIS, MO 63110
St. Louis City (314) 977-6333

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mark Dykewicz's NPI number?

The NPI number for Mark Dykewicz is 1518971092. It was assigned to this individual provider in the NPPES registry on July 28, 2006.

Where is Mark Dykewicz located?

Mark Dykewicz practices at 3691 Rutger St Suite 100, Saint Louis, MO 63110. The listed phone number is (314) 977-9050.

What is Mark Dykewicz's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Allergy & Immunology, with taxonomy code 207RA0201X.

Is Mark Dykewicz enrolled in Medicare?

Yes. Mark Dykewicz is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Mark Dykewicz accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health and Ambetter from Sunflower Health Plan and 4 other insurers list Mark Dykewicz as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Mark Dykewicz affiliated with any hospitals?

According to CMS data, Mark Dykewicz is affiliated with Ssm Health Saint Louis University Hospital.

When was this NPI record last updated?

The NPPES record for Mark Dykewicz was last updated on April 1, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.