Syed Haider, M.D.
NPI 1912017898 · Internal Medicine Physician · Crystal Lake, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Syed Haider, M.D. is a Internal Medicine Physician provider in Crystal Lake, IL (NPI 1912017898).
Provider details
- NPI number
- 1912017898
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 036100063 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,890 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 500 | $125 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 311 | $89 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 297 | $129 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 291 | $16 |
| Administration of Influenza Virus VaccineG0008 | 115 | $31 |
| Injection of Drug Or Substance Under Skin Or Into Muscle |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 130 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 729 | 253 |
| Amlodipine Besylate | 350 | 135 |
| Levothyroxine Sodium | 303 | 110 |
| Metoprolol Succinate | 246 | 76 |
| Lisinopril | 235 | 87 |
| Metformin Hcl | 232 | 78 |
| Pantoprazole Sodium |
Practice location
Mailing address
Additional practice locations (1)
- 5911 Northwest HwySuite 107Crystal Lake, IL 60014-8065Phone: (815) 788-0468Fax: (815) 788-0489
Registry dates
- Enumerated
- 2006-08-30
- Last updated
- 2021-05-03
- Certified
- 2021-05-03
Frequently asked questions
- What is Syed Haider's NPI number?
- Syed Haider's National Provider Identifier (NPI) is 1912017898, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Syed Haider's specialty?
- Syed Haider is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Syed Haider located?
- Syed Haider's practice location on file with NPPES is 650 Dakota St Ste a, Crystal Lake, IL 60012-3744.
- What is Syed Haider's phone number?
- The practice phone number listed in the NPPES registry for Syed Haider is (815) 455-6000.
- Does Syed Haider accept Medicare?
- Syed Haider is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Syed Haider's NPI active?
- Yes — Syed Haider's NPI (1912017898) is active in the NPPES registry as of the last update on 2021-05-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.