Doctor profile · Federal record
Dr. Michael Sommerfeld, MD
Internal Medicine Physician (CMS: Internal Medicine) · Lake Forest, IL
- NPI 1578547063
- Accepts Medicare
- MIPS 90.4 / 100 · 2023
- 27 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
800 N Westmoreland RD, Suite 100
Lake Forest, IL 600451673
(847) 604-8144
fax (847) 234-4682
Credentials & registration
- NPI registered
- November 2005 — 21 yrs on file
- Profile last updated
- December 8, 2020
- Year of graduation
- 1999 — 27 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Illinois #036105987
- Medicaid
- IL #036105987
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1578547063. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
665
Distinct HCPCS
8
Medicare allowed
$60,986
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 192 | 122 | $69 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 146 | 82 | $102 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 136 | 136 | $136 | |
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 67 | 65 | $8 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 47 | 43 | $37 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 45 | 28 | $150 | |
G0438 |
Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit | 21 | 21 | $175 | |
G0402 |
Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment | 11 | 11 | $138 |
In context: peer comparison
Among 7 peers in Lake Forest Internal Medicine Physician, average services per provider: 105. This provider delivers 6.3× the peer median.Open Payments
Industry payments received
All-time total
$25
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Novo Nordisk INC | 1 | $25.12 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,266
Patients
342
Total drug cost
$158,192
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 132 | 44 | $2,077 |
| Amlodipine Besylate | Generic | 114 | 37 | $1,331 |
| Rosuvastatin Calcium | Generic | 101 | 35 | $2,221 |
| Olmesartan Medoxomil | Generic | 96 | 26 | $2,335 |
| Pravastatin Sodium | Generic | 90 | 21 | $1,442 |
| Levothyroxine Sodium | Generic | 89 | 27 | $1,988 |
| Escitalopram Oxalate | Generic | 85 | 22 | $1,322 |
| Simvastatin | Generic | 85 | 26 | $1,092 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 83 | 19 | $1,652 |
| Synthroid (Levothyroxine Sodium) | Brand | 76 | 19 | $8,077 |
Hospital affiliations
Frequently asked questions
What is Dr. Michael Sommerfeld's medical specialty?
Dr. Michael Sommerfeld practices Internal Medicine Physician in Lake Forest, IL.
Where does Dr. Michael Sommerfeld practice?
Dr. Michael Sommerfeld practices at 800 N Westmoreland RD, Lake Forest, IL 600451673. Office phone: 8476048144.
What is Dr. Michael Sommerfeld's NPI?
Dr. Michael Sommerfeld's National Provider Identifier (NPI) is 1578547063, issued by NPPES.
Does Dr. Michael Sommerfeld accept Medicare assignment?
Yes. Dr. Michael Sommerfeld accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Sommerfeld commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); 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.