2026 NPPES data Family Medicine Physician NPI 1922504604 MD
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MCKINZIE EGGERS DE KLERK, MD

Family Medicine Physician in PAWTUCKET, Rhode Island. 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
2K
Medicare Part D claims · 216 beneficiaries · Family Medicine Physician avg: 3K
Generic prescribing
86%
generic claims · 14% brand-name · higher generic rates reduce patient out-of-pocket costs

What the federal data shows

MCKINZIE EGGERS DE KLERK, MD filed 2,392 Medicare Part D claims in 2023 as a Family Medicine Physician in PAWTUCKET, Rhode Island, prescribing 86% generic.

2K
Part D claims, 2023
86%
generic prescribing
Likely
board-certified (heuristic)

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.

MCKINZIE EGGERS DE KLERK, MD's Medicare Part D volume vs every U.S. prescriber

Total Medicare Part D claims, 2023 — across all CMS prescribers nationally

2,392 Top 14% higher than 86% of 1,370,886 prescribers

0–200: 670,926 prescribers (49%). Below this entry. 200–400: 182,923 prescribers (13%). Below this entry. 400–600: 90,619 prescribers (7%). Below this entry. 600–800: 56,224 prescribers (4%). Below this entry. 800–1,000: 40,919 prescribers (3%). Below this entry. 1,000–1,200: 31,827 prescribers (2%). Below this entry. 1,200–1,400: 26,224 prescribers (2%). Below this entry. 1,400–1,600: 21,710 prescribers (2%). Below this entry. 1,600–1,800: 19,072 prescribers (1%). Below this entry. 1,800–2,000: 16,451 prescribers (1%). Below this entry. 2,000–2,200: 213,991 prescribers (16%). This entry sits in this band. This provider 0 2K+ every Part D prescriber (claims/yr), bucketed by value

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.

Source CMS Medicare Part D Prescriber Public Use File · 2023

Board certification likely (heuristic — not verified)

MCKINZIE EGGERS DE KLERK, 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).

What does the federal data show about MCKINZIE EGGERS DE KLERK, MD?

Quality data not reported

NPI registry status

Active

Issued 04/02/2018

NPI 1922504604

Primary specialty

Family Medicine Physician

High-volume

147,640 US NPIs in this specialty

Medicare Part D claims

2,392 30% vs specialty avg

2023 prescription claims

Specialty avg: 3,418

Specialty distribution in Rhode Island

How Family Medicine Physician compares to other specialties among Rhode Island providers

Rhode Island providers

Family Medicine Physician share within Rhode Island

1. Family Medicine Physician42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Family Medicine Physician share within Rhode Island

Specialty board-certification context

Estimated specialty board-certified rate — Family Medicine Physician (ABMS / AOA reference)

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

Est. board-certified rate (Family Medicine Physician) — ABMS / AOA estimate

0%100%78%
Est. board-certified rate (Family Medicine 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).

MCKINZIE EGGERS DE KLERK, MD appears in the CMS NPPES registry as a Family Medicine Physician provider holding MD credentials at 39 EAST AVE, PAWTUCKET, RI, 02860, with a listed phone of (401) 312-9808. NPI 1922504604 was issued on 04/02/2018. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what EGGERS DE KLERK 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 2,392 prescription claims written by this provider, covering 216 Medicare beneficiaries and totaling roughly $282K in drug spend, split 14% brand-name and 86% generic by claim count, with an opioid prescribing rate of 0.9%. 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.

Family Medicine Physician is a high-volume specialty nationwide, with 147,640 enrolled providers across 56 states and an average of 3,418 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

39 EAST AVE
PAWTUCKET, RI 02860

Provider Details

NPI 1922504604
Specialty Family Medicine Physician
Credentials MD
Gender Female
NPI Issued 04/02/2018

Hospital and facility affiliations

Facilities where MCKINZIE EGGERS DE KLERK, 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.

BLACKSTONE VALLEY COMMUNITY HEALTH CARE INC
PAWTUCKET, RI

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

MCKINZIE EGGERS DE KLERK, MD — brand share 14.0%
Specialty average (est.)

14% brand-name claims vs 86% generic, on 2,392 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.

2,392
Total Claims
$282K
Total Drug Cost
216
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
4,054
Total Day Supply
116,211
Brand vs Generic
14% brand / 86% generic
Brand Drug Cost
$245K
Generic Drug Cost
$36K
Opioid Claims
22 (0.9% rate)
Antibiotic Claims
16

Patient Demographics

Average Patient Age
67.1 years
Avg HCC Risk Score
1.26
Gender Split
55% female / 45% male
Age Distribution
<65: 67, 65-74: 99, 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.

What MCKINZIE EGGERS DE KLERK, MD prescribes most

Top Medicare Part D drugs by claim count, 2023

claims
Source CMS Medicare Part D Prescriber Public Use File As of 2023
Drug Claims
Atorvastatin Calcium
190
Amlodipine Besylate
152
Lisinopril
151
Metformin Hcl
91
Omeprazole
90
Hydrochlorothiazide
82
Gabapentin
79
Losartan Potassium
76
Jardiance
Empagliflozin
48
Metformin Hcl Er
Metformin Hcl
46

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

Family Medicine Physician Overview

How MCKINZIE EGGERS DE KLERK, MD fits within the Family Medicine Physician landscape nationally.

147,640
Family Medicine Physician Providers in US
56
States with Family Medicine Physician
3,418
Avg Claims per Provider

MCKINZIE EGGERS DE KLERK, MD's 2,392 claims are below the specialty average of 3,418.

Nearby Family Medicine Physician Providers in Rhode Island

Other clinicians with the same primary specialty enrolled in Rhode Island, drawn from the same CMS NPPES roster as EGGERS DE KLERK.

Compare Family Medicine Physician nationally: see state-by-state distribution →

Frequently Asked Questions

What is MCKINZIE EGGERS DE KLERK, MD's specialty?
MCKINZIE EGGERS DE KLERK, MD specializes in Family Medicine Physician and practices in PAWTUCKET, Rhode Island. Credentials: MD.
How much does MCKINZIE EGGERS DE KLERK, MD prescribe under Medicare Part D?
In 2023, MCKINZIE EGGERS DE KLERK, MD wrote 2,392 Medicare Part D claims totaling $282K in drug costs for 216 beneficiaries.
Where is MCKINZIE EGGERS DE KLERK, MD located?
MCKINZIE EGGERS DE KLERK, MD is located at 39 EAST AVE, PAWTUCKET, RI, 02860. Phone: (401) 312-9808.
What is MCKINZIE EGGERS DE KLERK, MD's NPI number?
MCKINZIE EGGERS DE KLERK, MD's National Provider Identifier (NPI) is 1922504604, issued on 04/02/2018.
Does MCKINZIE EGGERS DE KLERK, MD prescribe more brand-name or generic drugs?
MCKINZIE EGGERS DE KLERK, MD's prescribing is 14% brand-name and 86% generic drugs by claim count, with $245K in brand drug costs.
Does MCKINZIE EGGERS DE KLERK, MD prescribe opioids?
Yes, MCKINZIE EGGERS DE KLERK, MD had 22 opioid claims in 2023 with an opioid prescribing rate of 0.9%.
How many Family Medicine Physician providers are there in the US?
There are 147,640 Family Medicine Physician providers across 56 states in the US. The average Family Medicine Physician provider writes 3,418 Medicare Part D claims per year.
What drugs does MCKINZIE EGGERS DE KLERK, MD prescribe most often?
Based on 2023 Medicare Part D data, MCKINZIE EGGERS DE KLERK, MD's most frequently prescribed drugs include Atorvastatin Calcium, Amlodipine Besylate, Lisinopril. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does MCKINZIE EGGERS DE KLERK, MD accept Medicare?
MCKINZIE EGGERS DE KLERK, MD appears in CMS Medicare data with 2,392 Part D claims and 216 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify MCKINZIE EGGERS DE KLERK, MD's credentials?
MCKINZIE EGGERS DE KLERK, MD's NPI is 1922504604 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