Doctor profile · Federal record

Dr. Stephen Rittmann, MD

Family Medicine Physician (CMS: Family Practice) · Schaumburg, IL

  • NPI 1104857473
  • Accepts Medicare
  • 50 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
361 W Golf RD, Schaumburg
Schaumburg, IL 601953607
(847) 252-6050
fax (847) 252-6057

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
April 6, 2021
Year of graduation
1976 — 50 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Illinois #036-055551

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1104857473. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,774
Distinct HCPCS
10
Medicare allowed
$126,382
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 501 300 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 344 228 $132
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 205 205 $134
81003 Automated urinalysis test 191 181 $2
99497 Advance care planning, first 30 minutes 138 138 $86
90662 Influenza vaccine split virus, preservative free 72 70 $71
G0008 Administration of influenza virus vaccine 72 70 $32
99213 Established patient office or other outpatient visit, 20-29 minutes 69 58 $93
96372 Injection of drug or substance under skin or into muscle 42 11 $15
G0009 Administration of pneumococcal vaccine 32 32 $32

In context: peer comparison

Among 14 peers in this city , average services per provider: 112. This provider delivers 16× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,777
Transactions
144
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 25 $453.71
AstraZeneca Pharmaceuticals LP 13 $360.62
PFIZER INC. 13 $289.30
Phathom Pharmaceuticals, Inc. 17 $201.27
Boehringer Ingelheim Pharmaceuticals, Inc. 11 $191.77
Novo Nordisk Inc 8 $186.08
Abbott Laboratories 14 $181.23
GlaxoSmithKline, LLC. 8 $167.50
Amgen Inc. 12 $158.19
Lilly USA, LLC 9 $153.05
Exact Sciences Corporation 4 $107.23
SANOFI-AVENTIS U.S. LLC 4 $89.20
Inari Medical, Inc. 1 $71.75
Salix Pharmaceuticals, a division of Bausch Health US, LLC 3 $51.43
E.R. Squibb & Sons, L.L.C. 2 $35.97

By nature of payment

Food and Beverage
$2,680
Education
$97

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,792
Patients
1,026
Total drug cost
$54,698
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 586 165 $8,602
Levothyroxine Sodium Generic 348 93 $5,895
Amlodipine Besylate Generic 316 92 $3,269
Alprazolam Generic 288 48 $1,721
Lisinopril-Hydrochlorothiazide (Lisinopril/Hydrochlorothiazide) Brand 247 69 $3,333
Metformin Hcl Generic 241 78 $2,724
Lisinopril Generic 235 70 $2,432
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 215 34 $6,454
Simvastatin Generic 214 58 $2,064
Omeprazole Generic 193 56 $2,666

Frequently asked questions

Auto-generated from federal data
What is Dr. Stephen Rittmann's medical specialty?
Dr. Stephen Rittmann practices Family Medicine Physician in Schaumburg, IL.
Where does Dr. Stephen Rittmann practice?
Dr. Stephen Rittmann practices at 361 W Golf RD, Schaumburg, IL 601953607. Office phone: 8472526050.
What is Dr. Stephen Rittmann's NPI?
Dr. Stephen Rittmann's National Provider Identifier (NPI) is 1104857473, issued by NPPES.
Does Dr. Stephen Rittmann accept Medicare assignment?
Yes. Dr. Stephen Rittmann accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen Rittmann commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.