NPI registry status
Active
2026 NPPES data Infectious Disease Physician NPI 1164641478 M.D.
Verify on CMS → Sonia Dhingra, M.D.
Infectious Disease Physician in Grafton, Wisconsin.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 8,537 in Infectious Disease 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
1K
Medicare Part D claims · 176 beneficiaries · Infectious Disease Physician avg: 807
Generic prescribing
89%
generic claims · 11% brand-name · higher generic rates reduce patient out-of-pocket costs
Source: CMS Medicare Part D Prescriber Public Use File, 2024
What the federal data shows
Sonia Dhingra, M.D. filed 1,011 Medicare Part D claims in 2024 as an Infectious Disease Physician in Grafton, Wisconsin, prescribing 89% generic.
- 1K
- Part D claims, 2024
- 89%
- generic prescribing
- Likely
- board-certified (heuristic)
- ≥75th
- pct by Part D claim volume (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 Sonia Dhingra, M.D.
Federal records show an active NPI with Medicare Part D prescribing activity — verifiable registry data, not a proprietary rating.
- Verified
NPI registry status
Active listing in the CMS National Provider Identifier Registry (NPI 1164641478), first enumerated 04/25/2007.
Source: CMS NPPES
- Reported
Medicare Part D participation
Filed 1,011 Medicare Part D prescription claims in the 2023 CMS public use file — indicates active Medicare prescribing participation.
Source: CMS Part D Prescriber PUF
- 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
- 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 1164641478 · Infectious Disease Physician
NPI-10 · ENUM-MID · TAX-MID · RX-MID · BOOK-THIN · PHOTO-ENUM
- NPI-10 1164641478
- ENUM-MID 2007
- TAX-MID 9K Infectious Disease
- RX-MID 1,011
- BOOK-THIN 138 in Wisconsin
- PHOTO-ENUM Syed Husnain · 2007
Sonia Dhingra, M.D.'s Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2024, across all CMS prescribers nationally
1,011 ≥ 75th percentile 75% of 1,416,883 prescribers are in lower value bands
Each bar is a band; taller bars hold more prescribers. 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 100-claim band: it counts only prescribers in lower claim-volume bands. Medicare Part D claim volume is activity context, not a quality measure or recommendation. See methodology § corpus placement.
Source CMS Medicare Part D Prescriber Public Use File · 2024
✓
Board certification likely (heuristic, not verified)
Sonia Dhingra, M.D. practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + 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 Sonia Dhingra, M.D.?
Quality data not reportedPrimary specialty
Infectious Disease Physician
Medicare Part D claims
1,011 25% vs specialty avg
Specialty distribution in Wisconsin
How Infectious Disease Physician compares to other specialties among Wisconsin providers
Board certification
Not published by CMS
CMS does not publish a per-provider board-certification field in NPPES. PlainDoctor does not have a reliable per-specialty certification rate to show for Infectious Disease Physician. Verify directly:
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 | 1164641478 |
|---|---|
| Specialty | Infectious Disease Physician |
| Credentials | M.D. |
| Gender | Female |
| NPI Issued | 04/25/2007 |
Hospital and facility affiliations
Facilities where Sonia Dhingra, M.D. 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.
Aurora Advanced Healthcare, Inc.
Grafton, WI
Affiliations sourced from CMS Doctors and Clinicians National Downloadable File; hospital ratings from CMS Hospital General Information dataset (cross-referenced by facility name + state).
Brand vs generic prescribing mix · Typical
Sonia Dhingra, M.D. - brand share 11.0%
Infectious Disease Physician average
11% brand-name claims vs 89% generic, on 1,011 2024 Medicare Part D claims.
The federal Medicare Part D Generic Dispensing Rate national benchmark sits near 90% generic / 10% brand for primary-care prescribers, per CMS Office of the Actuary 2024 estimates. Higher brand share is common in specialty prescribing where generic equivalents are not available.
Medicare Part D Prescribing Data
CMS Medicare Part D prescriber-level data for calendar year 2024.
1,011
Total Claims
$423K
Total Drug Cost
176
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 1,375.367
- Total Day Supply
- 35,538
- Brand vs Generic
- 11% brand / 89% generic
- Brand Drug Cost
- $337K
- Generic Drug Cost
- $86K
- Antibiotic Claims
- 832
Patient Demographics
- Average Patient Age
- 74.8 years
- Avg HCC Risk Score
- 2.71
- Gender Split
- 49% female / 51% male
- Age Distribution
- <65: 19, 65-74: 61, 75-84: 65, 85+: 31
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2024. Based on Medicare Part D data only.
What Sonia Dhingra, M.D. prescribes most
Top Medicare Part D drugs by claim count, 2024
- Amoxicillin
Amoxicillin
123 claims
- Fosfomycin Trometh…
Fosfomycin Tromethamine
93 claims
- Amoxicillin-Clavul…
Amoxicillin-Clavulanate Potass
74 claims
- Sulfamethoxazole-T…
Sulfamethoxazole-Trimethoprim
59 claims
- Ciprofloxacin Hcl
Ciprofloxacin Hcl
54 claims
- Biktarvy
Biktarvy
53 claims
- Cefadroxil
Cefadroxil
51 claims
- Cephalexin 45
Cephalexin
45 claims
| Drug | Claims |
|---|---|
| Amoxicillin | 123 |
| Fosfomycin Tromethamine | 93 |
| Amoxicillin-Clavulanate Potass Amoxicillin/Potassium Clav | 74 |
| Sulfamethoxazole-Trimethoprim Sulfamethoxazole/Trimethoprim | 59 |
| Ciprofloxacin Hcl | 54 |
| Biktarvy Bictegrav/Emtricit/Tenofov Ala | 53 |
| Cefadroxil | 51 |
| Cephalexin | 45 |
| Nitrofurantoin Mono-Macro Nitrofurantoin Monohyd/M-Cryst | 39 |
| Vancomycin Hcl | 39 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Infectious Disease Physician Overview
How Sonia Dhingra, M.D. fits within the Infectious Disease Physician landscape nationally.
8,537
Infectious Disease Physician Providers in US
54
States with Infectious Disease Physician
807
Avg Claims per Provider
Sonia Dhingra, M.D.'s 1,011 claims are above the specialty average of 807.
Nationwide Infectious Disease Physician peers with similar MIPS or enrollment year
Two federal-record peer sets for Dhingra, both outside Wisconsin so the neighborhoods are not geographic containment.
Same NPPES enumeration year (2007)
Same-specialty clinicians who entered the NPI registry in the same calendar year, outside this state.
Nearby Infectious Disease Physician Providers in Wisconsin
Other clinicians with the same primary specialty enrolled in Wisconsin, drawn from the same CMS NPPES roster as Dhingra.
One of 138 Infectious Disease Physician providers enrolled in Wisconsin, 5 are shown here.
Dr. Adetunji Adejumo
MD
Green Bay, WI
Dr. William Agger
MD
La Crosse, WI
Dr. Francisco Aguilar
M.D.
Milwaukee, WI
Dr. Syed Ala
MD
Waupaca, WI
Dr. Calvin Albrecht
MD
Milwaukee, WI
Compare Infectious Disease Physician nationally: see state-by-state distribution →
Frequently Asked Questions
What is Sonia Dhingra, M.D.'s specialty? ▼
Sonia Dhingra, M.D. specializes in Infectious Disease Physician and practices in Grafton, Wisconsin. Credentials: M.D..
How much does Sonia Dhingra, M.D. prescribe under Medicare Part D? ▼
In 2024, Sonia Dhingra, M.D. wrote 1,011 Medicare Part D claims totaling $423K in drug costs for 176 beneficiaries.
Where is Sonia Dhingra, M.D. located? ▼
Sonia Dhingra, M.D. is located at 975 PORT WASHINGTON RD, Grafton, WI, 53024. Phone: (262) 329-1000.
What is Sonia Dhingra, M.D.'s NPI number? ▼
Sonia Dhingra, M.D.'s National Provider Identifier (NPI) is 1164641478, issued on 04/25/2007.
Does Sonia Dhingra, M.D. prescribe more brand-name or generic drugs? ▼
Sonia Dhingra, M.D.'s prescribing is 11% brand-name and 89% generic drugs by claim count, with $337K in brand drug costs.
How many Infectious Disease Physician providers are there in the US? ▼
There are 8,537 Infectious Disease Physician providers across 54 states in the US. The average Infectious Disease Physician provider writes 807 Medicare Part D claims per year.
What drugs does Sonia Dhingra, M.D. prescribe most often? ▼
Based on 2024 Medicare Part D data, Sonia Dhingra, M.D.'s most frequently prescribed drugs include Amoxicillin, Fosfomycin Tromethamine, Amoxicillin-Clavulanate Potass. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Sonia Dhingra, M.D. accept Medicare? ▼
Sonia Dhingra, M.D. appears in CMS Medicare data with 1,011 Part D claims and 176 Medicare beneficiaries in 2024. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Sonia Dhingra, M.D.'s credentials? ▼
Sonia Dhingra, M.D.'s NPI is 1164641478 with credentials M.D.. 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.
- 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.