NPI registry status
Active
2026 NPPES data Neurology Physician NPI 1134140551 MD
Verify on CMS → Muhammad Siddiq, MD
Neurology Physician in Aurora, Illinois.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 20,467 in Neurology Physician, and covers specialty classification, practice address, and Medicare Part D prescribing data when reported. According to CMS, every field reflects the provider's official federal registration, see our methodology.
Federal data, no proprietary rating.
We show these CMS records as-is - no composite score, no star rating, no editorial opinion layered on top.
Prescribing volume
643
Medicare Part D claims · 130 beneficiaries · Neurology Physician avg: 1K
MIPS score
99.7/100
▲ 16 pts above national avg 83.5 · Exceptional
Industry payments
$2.3K
86 payments · CMS Open Payments (Sunshine Act)
What the federal data shows
Muhammad Siddiq, MD reported a CMS MIPS final score of 99.7/100 - above the 83.5 national average - and filed 643 Medicare Part D claims in 2024.
- 99.7/100
- MIPS score · +16 vs avg
- 643
- Part D claims, 2024
- Likely
- board-certified (heuristic)
- ≥91st
- pct among measured MIPS (lower-bound band)
Every figure on this page comes straight from federal CMS records (NPPES, Medicare Part D, MIPS, Open Payments) - no proprietary rating or editorial opinion is applied.
Federal trust snapshot
What official records show about Muhammad Siddiq, MD
Federal records show an active NPI with both Medicare prescribing volume and a measured CMS quality score — objective registry data, not patient reviews.
- Verified
NPI registry status
Active listing in the CMS National Provider Identifier Registry (NPI 1134140551), first enumerated 07/21/2006.
Source: CMS NPPES
- Reported
Medicare Part D participation
Filed 643 Medicare Part D prescription claims in the 2023 CMS public use file — indicates active Medicare prescribing participation.
Source: CMS Part D Prescriber PUF
- Reported
CMS quality reporting (MIPS)
Reported a CMS MIPS final score of 99.7/100 in the Quality Payment Program — a federal quality measure, not a patient review.
Source: CMS Quality Payment Program
- Reported
Board certification signal
Heuristic suggests board-certified status based on ABMS-eligible specialty taxonomy plus active CMS participation signals — not a direct ABMS verification.
- Reported
Hospital affiliations
1 CMS Care Compare hospital affiliation on record — practice footprint from the Doctors and Clinicians file.
Source: CMS Care Compare
- Reported
Industry payment transparency
$2.3K in reported industry payments (86 transfers) in 2024 under the federal Sunshine Act — disclosed transfers of value, not a quality rating.
Source: CMS Open Payments
- State context
State board disciplinary context
Illinois statewide board action statistics are published annually — these figures describe aggregate state activity, not Muhammad Siddiq, MD's individual license status. Verify directly with the state medical board.
Source: IDFPR annual report 2023
- Not in federal data
Individual sanction lookup
PlainDoctor does not publish per-provider disciplinary determinations. Confirm current license and any individual actions through the state medical board or FSMB verification service.
Source: State medical board / FSMB
This trust snapshot summarizes only what appears in federal CMS/NPPES public records. It is not a composite score, star rating, patient review, or clinical recommendation. PlainDoctor never fabricates reviews or AggregateRating schema.
CMS NPPES provider registry desk
NPI 1134140551 · Neurology Physician
NPI-10 · ENUM-LEGACY · TAX-MID · MIPS-ELITE · RX-LIGHT · BOOK-LIGHT · PHOTO-FINISH
- NPI-10 1134140551
- ENUM-LEGACY 2006
- TAX-MID 20K Neurology Physician
- MIPS-ELITE 99.7/100
- RX-LIGHT 643
- BOOK-LIGHT 890 in Illinois
- PHOTO-FINISH Ramon Sanchez, M.D. · ±0.0
MIPS final-score neighbourhood
Same-specialty nationwide peers by CMS final score, not geographic proximity
- Yassar Chakfe, M…
Yassar Chakfe, MD
99.6 MIPS pts
- Siddiq · this pr…
Siddiq · this provider
99.7 MIPS pts
- Haodong Song, M.…
Haodong Song, M.D.
99.7 MIPS pts
- Ramon Sanchez, M…
Ramon Sanchez, M.D.
99.7 MIPS pts
What this shows Nearest measured MIPS peers for this NUCC specialty (2023 performance year).
Muhammad Siddiq, MD's MIPS score vs every measured U.S. clinician
CMS Merit-based Incentive Payment System (MIPS) final score, 2023, the federal quality measure. Clinicians whose score CMS assigned without scoring any category are excluded.
100 ≥ 91st percentile 91% of 454,083 measured providers are in lower value bands
Each bar is a band; taller bars hold more measured providers. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
The percentile is a conservative whole-score-point band: it counts only measured clinicians in lower score bands. A CMS MIPS metric is not a recommendation or a clinical-quality rating by PlainDoctor. See methodology § corpus placement.
Source CMS Merit-based Incentive Payment System (MIPS) · 2023
Where Muhammad Siddiq, MD sits
This provider among neurology physician peers
Across the 5,099 neurology physician providers who report both Medicare Part D prescribing and a MIPS quality score, Muhammad Siddiq, MD writes more Part D claims than 40% of them and scores higher on MIPS quality than 91% - placing this provider in the lower-volume, high-quality quadrant. Volume reflects patient-panel size and specialty, not quality; the two axes are independent.
Each dot is one neurology physician peer from a representative sample of 60; the gold marker is Muhammad Siddiq, MD. Source: CMS Medicare Part D Prescriber data and the CMS Merit-based Incentive Payment System, 2023.
✓
Board certification likely (heuristic, not verified)
Muhammad Siddiq, MD practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + MIPS quality reporting + 1 hospital affiliation - signals consistent with board-certified status. For verified board certification, see CertificationMatters.org (the official ABMS public lookup).
What does the federal data show about Muhammad Siddiq, MD?
High performer (top quartile)Primary specialty
Neurology Physician
Medicare Part D claims
643 53% vs specialty avg
MIPS final score
99.7/100 16.2 pts vs avg
Specialty distribution in Illinois
How Neurology Physician compares to other specialties among Illinois providers
Medicare quality performance, MIPS
Muhammad Siddiq, MD's 2023 MIPS final score plotted against the Neurology Physician national average
- MIPS Final Score
- 99.7/100
- vs 83.5 national avg · 2023 performance year
How MIPS and board certification work
The Merit-based Incentive Payment System (MIPS) scores providers 0–100 across four performance categories: Quality, Cost, Promoting Interoperability, and Improvement Activities, weighted under 42 CFR §414.1380. Reporting is voluntary for many small practices, so absence of a MIPS score is not a quality signal.
Board certification through an ABMS or AOA member board signals voluntary post-licensure examination plus continuous Maintenance of Certification cycles. Verify any individual provider's status through certificationmatters.org (ABMS) or osteopathic.org (AOA).
Practice Address
Provider Details
| NPI | 1134140551 |
|---|---|
| Specialty | Neurology Physician |
| Credentials | MD |
| Gender | Male |
| NPI Issued | 07/21/2006 |
CMS Quality Score (MIPS)
Merit-based Incentive Payment System (MIPS) scores from CMS, 2023 performance year.
99.6609
Final Score
Measured-score avg: 83.5
95
Quality
75.482
Cost
Reporting: Individual
Hospital and facility affiliations
Facilities where Muhammad Siddiq, MD bills Medicare from. Star ratings (1-5) are CMS Hospital Compare's "Hospital overall rating" - a composite of mortality, readmission, patient experience, safety, timely care, and efficient use of medical imaging measures. Source: CMS Care Compare.
Muhammad Y Siddiq SC
Aurora, IL
Affiliations sourced from CMS Doctors and Clinicians National Downloadable File; hospital ratings from CMS Hospital General Information dataset (cross-referenced by facility name + state).
Industry payments received (2024) - CMS Open Payments transparency data
The federal Physician Payments Sunshine Act (part of the Affordable Care Act) requires drug and medical-device manufacturers + group purchasing organizations to publicly report payments and other transfers of value to physicians and teaching hospitals. The data below covers 2024 for Muhammad Siddiq, MD. Source: openpaymentsdata.cms.gov.
Total received
$2.3K
Largest payer
SK Life Science, Inc.
Most common payment type
Food and Beverage
Industry payments are not necessarily indicators of bias, they include research funding, consulting fees for evidence-based work, royalties for inventions, food at conferences, and similar items. The disclosure exists for transparency. Read our methodology for how we interpret this data.
License & disciplinary context - Illinois IDFPR 2023 annual report
Aggregate state board data only, NOT a determination of any individual provider's status. The figures below describe statewide disciplinary activity across all ~42K Illinois medical licensees in 2023 - they are NOT specific to Muhammad Siddiq, MD. To verify Muhammad Siddiq, MD's current license status, search the IDFPR public license lookup directly, or check the Federation of State Medical Boards (FSMB) verification service.
106
Total board actions, Illinois 2023
Across 103 cases
2.52
Actions per 1,000 licensees
Illinois statewide rate
probation
Most common action type
38 cases
IDFPR publishes annual disciplinary statistics as part of public-record reporting under each state's Administrative Procedure Act. See the full breakdown by action type and year on the Illinois disciplinary trends page. Cross-checked against FSMB U.S. Medical Regulatory Trends.
Medicare Part D Prescribing Data
CMS Medicare Part D prescriber-level data for calendar year 2024.
643
Total Claims
$167K
Total Drug Cost
130
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 1,101.767
- Total Day Supply
- 32,721
- Generic Drug Cost
- $27K
Patient Demographics
- Average Patient Age
- 73.1 years
- Avg HCC Risk Score
- 1.62
- Gender Split
- 53% female / 47% male
- Age Distribution
- <65: 20, 65-74: 50, 75-84: 46, 85+: 14
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2024. Based on Medicare Part D data only.
What Muhammad Siddiq, MD prescribes most
Top Medicare Part D drugs by claim count, 2024
- Gabapentin
Gabapentin
92 claims
- Donepezil Hcl
Donepezil Hcl
79 claims
- Carbidopa-Levodopa
Carbidopa-Levodopa
74 claims
- Tizanidine Hcl
Tizanidine Hcl
45 claims
- Entacapone 24
Entacapone
24 claims
- Oxcarbazepine 21
Oxcarbazepine
21 claims
- Levetiracetam 18
Levetiracetam
18 claims
- Ozempic 15
Ozempic
15 claims
| Drug | Claims |
|---|---|
| Gabapentin | 92 |
| Donepezil Hcl | 79 |
| Carbidopa-Levodopa Carbidopa/Levodopa | 74 |
| Tizanidine Hcl | 45 |
| Entacapone | 24 |
| Oxcarbazepine | 21 |
| Levetiracetam | 18 |
| Ozempic Semaglutide | 15 |
| Rasagiline Mesylate | 15 |
| Amitriptyline Hcl | 12 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Neurology Physician Overview
How Muhammad Siddiq, MD fits within the Neurology Physician landscape nationally.
20,467
Neurology Physician Providers in US
54
States with Neurology Physician
1,356
Avg Claims per Provider
Muhammad Siddiq, MD's 643 claims are below the specialty average of 1,356.
Nationwide Neurology Physician peers with similar MIPS or enrollment year
Two federal-record peer sets for Siddiq, both outside Illinois so the neighborhoods are not geographic containment.
Similar MIPS final score
Nearest same-specialty clinicians by CMS MIPS final score (99.7 here).
Same NPPES enumeration year (2006)
Same-specialty clinicians who entered the NPI registry in the same calendar year, outside this state.
Nearby Neurology Physician Providers in Illinois
Other clinicians with the same primary specialty enrolled in Illinois, drawn from the same CMS NPPES roster as Siddiq.
One of 890 Neurology Physician providers enrolled in Illinois, 5 are shown here.
Dr. Hossam Abdelsalam
M.D.
Springfield, IL
Dr. Amro Abu Shanab
MD
Springfield, IL
Dr. Jayant Acharya
MD
Springfield, IL
Dr. Kabiyadi Acharya
M.D.
Springfield, IL
Maham Adeeb
Springfield, IL
Compare Neurology Physician nationally: see state-by-state distribution →
Frequently Asked Questions
What is Muhammad Siddiq, MD's specialty? ▼
Muhammad Siddiq, MD specializes in Neurology Physician and practices in Aurora, Illinois. Credentials: MD.
How much does Muhammad Siddiq, MD prescribe under Medicare Part D? ▼
In 2024, Muhammad Siddiq, MD wrote 643 Medicare Part D claims totaling $167K in drug costs for 130 beneficiaries.
What is Muhammad Siddiq, MD's Medicare quality score? ▼
Muhammad Siddiq, MD has a CMS MIPS Final Score of 99.7/100 (Quality: 95, Cost: 75.5). The average MIPS Final Score across the 454,083 clinicians with at least one published category score is 83.5; clinicians whose score CMS assigned without scoring any category are excluded from that average. Source: CMS Merit-based Incentive Payment System (MIPS) 2023.
Where is Muhammad Siddiq, MD located? ▼
Muhammad Siddiq, MD is located at 4075 FOX VALLEY CENTER DR STE 3, Aurora, IL, 60504. Phone: (630) 553-2545.
What is Muhammad Siddiq, MD's NPI number? ▼
Muhammad Siddiq, MD's National Provider Identifier (NPI) is 1134140551, issued on 07/21/2006.
How many Neurology Physician providers are there in the US? ▼
There are 20,467 Neurology Physician providers across 54 states in the US. The average Neurology Physician provider writes 1,356 Medicare Part D claims per year.
What drugs does Muhammad Siddiq, MD prescribe most often? ▼
Based on 2024 Medicare Part D data, Muhammad Siddiq, MD's most frequently prescribed drugs include Gabapentin, Donepezil Hcl, Carbidopa-Levodopa. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Muhammad Siddiq, MD accept Medicare? ▼
Muhammad Siddiq, MD appears in CMS Medicare data with 643 Part D claims and 130 Medicare beneficiaries in 2024. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Muhammad Siddiq, MD's credentials? ▼
Muhammad Siddiq, MD's NPI is 1134140551 with credentials MD. You can verify this through the NPPES NPI Registry, check state medical board records, and confirm board certification through the ABMS or AOA.
Data Sources
View source datasets and methodology notes
- Provider Directory
- CMS National Plan and Provider Enumeration System (NPPES), download.cms.gov/nppes, updated monthly. Contains NPI, specialty, credentials, and practice location.
- Specialty Classification
- NUCC Health Care Provider Taxonomy (nucc.org), the industry standard for classifying provider specialties in Medicare and Medicaid billing.
- Prescribing Data
- CMS Medicare Part D Prescriber Public Use File (2024). Includes claims, drug costs, beneficiaries, and opioid prescribing rates.
- Quality Performance
- CMS Merit-based Incentive Payment System (MIPS) - 2023 performance year.
- Limitations
- Provider data is self-reported to CMS. Prescribing data reflects Medicare Part D only and does not include commercial insurance, Medicaid, or cash prescriptions. Claims below 11 beneficiaries are suppressed by CMS for privacy.
See our complete data methodology for details on how we collect and process government data.
Data as of August 2026 (NPPES) / 2024 (Medicare Part D). Source: Centers for Medicare & Medicaid Services (CMS).
Disclaimer: Data from CMS NPPES and Medicare Part D. PlainDoctor does not rate or rank providers. Provider information is self-reported and may not be current. Always verify information directly with the provider. About · Methodology
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of August 2026.