Doctor profile · Federal record

Dr. Syed Haider, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Crystal Lake, IL

  • NPI 1912017898
  • Accepts Medicare
  • MIPS 91.3 / 100 · 2023
  • 34 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
650 Dakota St Ste A
Crystal Lake, IL 600123744
(815) 455-6000
fax (815) 356-1104
Additional location
5911 Northwest Hwy, Suite 107
Crystal Lake, IL 600148065
(815) 788-0468
fax (815) 788-0489
Mailing address
Po Box 2036
Crystal Lake, IL 600392036

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
May 3, 2021
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Illinois #036100063
Medicaid
IL #036100063

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1912017898. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,808
Distinct HCPCS
10
Medicare allowed
$169,070
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 509 315 $123
99213 Established patient office or other outpatient visit, 20-29 minutes 420 282 $88
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 281 281 $126
G0008 Administration of influenza virus vaccine 117 117 $32
90662 Influenza vaccine split virus, preservative free 112 112 $71
96372 Injection of drug or substance under skin or into muscle 78 18 $14
93005 Routine electrocardiogram (ecg) using at least 12 leads with tracing 66 61 $6
83036 Hemoglobin a1c level 36 30 $10
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and 33 29 $51
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 29 20 $79

In context: peer comparison

Among 5 peers in Crystal Lake Internal Medicine Physician, average services per provider: 153. This provider delivers 12× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,972
Patients
1,190
Total drug cost
$42,749
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 566 223 $7,799
Amlodipine Besylate Generic 329 126 $3,894
Levothyroxine Sodium Generic 261 102 $3,861
Metoprolol Succinate Generic 260 87 $5,352
Lisinopril Generic 219 88 $1,586
Metformin Hcl Generic 199 76 $1,892
Pantoprazole Sodium Generic 175 65 $2,564
Gabapentin Generic 150 58 $3,880
Losartan Potassium Generic 147 56 $2,520
Carvedilol Generic 128 52 $1,491

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Syed Haider's medical specialty?
Dr. Syed Haider practices Internal Medicine Physician in Crystal Lake, IL.
Where does Dr. Syed Haider practice?
Dr. Syed Haider practices at 650 Dakota St Ste A, Crystal Lake, IL 600123744. Office phone: 8154556000.
What is Dr. Syed Haider's NPI?
Dr. Syed Haider's National Provider Identifier (NPI) is 1912017898, issued by NPPES.
Does Dr. Syed Haider accept Medicare assignment?
Yes. Dr. Syed Haider accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Syed Haider 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 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.