2026 NPPES data Physical Medicine & Rehabilitation Physician NPI 1699728741 MD
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SILVIA KNOPLOCH, MD

Physical Medicine & Rehabilitation Physician in NORWALK, Connecticut. CMS National Plan and Provider Enumeration System profile including specialty classification, practice address, and Medicare prescribing data when reported.

Federal data — no proprietary rating. PlainDoctor publishes the actual CMS NPPES and Medicare records — NPI registration, specialty, practice location, and prescribing data — without a composite score or editorial opinion on top. Every field traces to a federal source.
Prescribing volume
4K
Medicare Part D claims · 156 beneficiaries · Physical Medicine & Rehabilitation Physician avg: 781
Generic prescribing
89%
generic claims · 11% brand-name · higher generic rates reduce patient out-of-pocket costs
What the federal data reveals: SILVIA KNOPLOCH, MD is a Physical Medicine & Rehabilitation Physician ([object Object]) practicing in NORWALK, Connecticut with a Medicare Part D prescribing footprint of 4K claims across 156 beneficiaries — 11% brand-name prescribing .

What stands out: SILVIA KNOPLOCH, MD filed 3,823 Medicare Part D claims in 2023 across NORWALK, Connecticut. Every figure on this page comes straight from federal CMS records, with no proprietary rating applied.

Board certification likely (heuristic — not verified)

SILVIA KNOPLOCH, MD 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).

SILVIA KNOPLOCH, MD at a glance

Quality data not reported

NPI registry status

Active

Issued 05/18/2006

NPI 1699728741

Primary specialty

Physical Medicine & Rehabilitation Physician

Mid-sized

15,306 US NPIs in this specialty

Medicare Part D claims

3,823 390% vs specialty avg

2023 prescription claims

Specialty avg: 781

Specialty distribution in Connecticut

How Physical Medicine & Rehabilitation Physician compares to other specialties among Connecticut providers

Connecticut providers

Physical Medicine & Rehabilitation Physician share within Connecticut

1. Physical Medicine & Rehabilitation Physician42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Physical Medicine & Rehabilitation Physician share within Connecticut

Specialty board-certification context

Estimated specialty board-certified rate — Physical Medicine & Rehabilitation Physician (ABMS / AOA reference)

Quality data not reported
Est. board-certified rate
78%
Physical Medicine & Rehabilitation Physician ABMS/AOA estimate

Est. board-certified rate (Physical Medicine & Rehabilitation Physician) — ABMS / AOA estimate

0%100%78%
Est. board-certified rate (Physical Medicine & Rehabilitation Physician) — ABMS / AOA estimate

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).

SILVIA KNOPLOCH, MD is a Physical Medicine & Rehabilitation Physician provider practicing in NORWALK, Connecticut, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: MD. NPI: 1699728741. This profile includes practice location, specialty classification, and organizational affiliations from the CMS provider registry. Provider information is self-reported to CMS and updated monthly.

SILVIA KNOPLOCH, MD appears in the CMS NPPES registry as a Physical Medicine & Rehabilitation Physician provider holding MD credentials at 698 WEST AVE, NORWALK, CT, 06850, with a listed phone of (203) 523-0100. NPI 1699728741 was issued on 05/18/2006. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what KNOPLOCH most recently submitted to CMS rather than a vetted directory listing, which is why patients should always confirm the practice is still at this location before scheduling.

Medicare Part D records for calendar year 2023 show 3,823 prescription claims written by this provider, covering 156 Medicare beneficiaries and totaling roughly $377K in drug spend, split 11% brand-name and 89% generic by claim count, with an opioid prescribing rate of 47.9%. These figures capture only Medicare Part D — commercial insurance, Medicaid, and cash-pay prescriptions are not included, and any drug-beneficiary cell under 11 is suppressed by CMS for patient privacy.

Physical Medicine & Rehabilitation Physician is a mid-sized specialty nationwide, with 15,306 enrolled providers across 54 states and an average of 781 Part D claims per prescriber, so the context for interpreting these metrics differs meaningfully from a primary-care baseline. Important: PlainDoctor is a directory of publicly available government data, not medical advice, a malpractice database, or a quality rating. Inclusion here does not imply a recommendation, and absence of complaints or sanctions on this page does not mean none exist — always verify credentials through the NPPES NPI Registry, your state medical board, and the ABMS or AOA before making healthcare decisions.

Practice Address

698 WEST AVE
NORWALK, CT 06850

Provider Details

NPI 1699728741
Specialty Physical Medicine & Rehabilitation Physician
Credentials MD
Gender Female
NPI Issued 05/18/2006

Hospital and facility affiliations

Facilities where SILVIA KNOPLOCH, 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.

REHABILITATION CONSULTANTS PC
NORWALK, CT

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

SILVIA KNOPLOCH, MD — brand share 11.0%
Specialty average (est.)

11% brand-name claims vs 89% generic, on 3,823 2023 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 2023.

3,823
Total Claims
$377K
Total Drug Cost
156
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
4,203
Total Day Supply
118,637
Brand vs Generic
11% brand / 89% generic
Brand Drug Cost
$230K
Generic Drug Cost
$147K
Opioid Claims
1,832 (47.9% rate)

Patient Demographics

Average Patient Age
68.3 years
Avg HCC Risk Score
1.62
Gender Split
67% female / 33% male
Age Distribution
<65: 46, 65-74: 70, 75-84: N/A, 85+: N/A

Top Prescribed Drugs (Medicare Part D)

Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.

Drug Claims
Oxycodone Hcl
545
Morphine Sulfate Er
Morphine Sulfate
234
Duloxetine Hcl
183
Hydromorphone Hcl
179
Gabapentin
160
Morphine Sulfate
145
Oxycodone-Acetaminophen
Oxycodone Hcl/Acetaminophen
139
Methadone Hcl
129
Fentanyl
124
Oxycontin
Oxycodone Hcl
112

* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.

Physical Medicine & Rehabilitation Physician Overview

How SILVIA KNOPLOCH, MD fits within the Physical Medicine & Rehabilitation Physician landscape nationally.

15,306
Physical Medicine & Rehabilitation Physician Providers in US
54
States with Physical Medicine & Rehabilitation Physician
781
Avg Claims per Provider

SILVIA KNOPLOCH, MD's 3,823 claims are above the specialty average of 781.

Nearby Physical Medicine & Rehabilitation Physician Providers in Connecticut

Other clinicians with the same primary specialty enrolled in Connecticut, drawn from the same CMS NPPES roster as KNOPLOCH.

Compare Physical Medicine & Rehabilitation Physician nationally: see state-by-state distribution →

Frequently Asked Questions

What is SILVIA KNOPLOCH, MD's specialty?
SILVIA KNOPLOCH, MD specializes in Physical Medicine & Rehabilitation Physician and practices in NORWALK, Connecticut. Credentials: MD.
How much does SILVIA KNOPLOCH, MD prescribe under Medicare Part D?
In 2023, SILVIA KNOPLOCH, MD wrote 3,823 Medicare Part D claims totaling $377K in drug costs for 156 beneficiaries.
Where is SILVIA KNOPLOCH, MD located?
SILVIA KNOPLOCH, MD is located at 698 WEST AVE, NORWALK, CT, 06850. Phone: (203) 523-0100.
What is SILVIA KNOPLOCH, MD's NPI number?
SILVIA KNOPLOCH, MD's National Provider Identifier (NPI) is 1699728741, issued on 05/18/2006.
Does SILVIA KNOPLOCH, MD prescribe more brand-name or generic drugs?
SILVIA KNOPLOCH, MD's prescribing is 11% brand-name and 89% generic drugs by claim count, with $230K in brand drug costs.
Does SILVIA KNOPLOCH, MD prescribe opioids?
Yes, SILVIA KNOPLOCH, MD had 1,832 opioid claims in 2023 with an opioid prescribing rate of 47.9%.
How many Physical Medicine & Rehabilitation Physician providers are there in the US?
There are 15,306 Physical Medicine & Rehabilitation Physician providers across 54 states in the US. The average Physical Medicine & Rehabilitation Physician provider writes 781 Medicare Part D claims per year.
What drugs does SILVIA KNOPLOCH, MD prescribe most often?
Based on 2023 Medicare Part D data, SILVIA KNOPLOCH, MD's most frequently prescribed drugs include Oxycodone Hcl, Morphine Sulfate Er, Duloxetine Hcl. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does SILVIA KNOPLOCH, MD accept Medicare?
SILVIA KNOPLOCH, MD appears in CMS Medicare data with 3,823 Part D claims and 156 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify SILVIA KNOPLOCH, MD's credentials?
SILVIA KNOPLOCH, MD's NPI is 1699728741 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

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 (2023). 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 April 2026 (NPPES) / 2023 (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