2026 NPPES data Clinical Genetics (M.D.) Physician NPI 1669463220 MD
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RICHARD SCHROER, MD

Clinical Genetics (M.D.) Physician in NORTH CHARLESTON, South Carolina. 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
29
Medicare Part D claims · Clinical Genetics (M.D.) Physician avg: 261
Industry payments
$42.83
2 payments · CMS Open Payments (Sunshine Act)
What the federal data reveals: RICHARD SCHROER, MD is a Clinical Genetics (M.D.) Physician ([object Object]) practicing in NORTH CHARLESTON, South Carolina with a Medicare Part D prescribing footprint of 29 claims . Industry payments of $42.83 across 2 transactions are disclosed under CMS Open Payments (Sunshine Act).

What stands out: RICHARD SCHROER, MD filed 29 Medicare Part D claims in 2023 across NORTH CHARLESTON, South Carolina. Every figure on this page comes straight from federal CMS records, with no proprietary rating applied.

Board certification likely (heuristic — not verified)

RICHARD SCHROER, 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).

RICHARD SCHROER, MD at a glance

Quality data not reported

NPI registry status

Active

Issued 11/02/2005

NPI 1669463220

Primary specialty

Clinical Genetics (M.D.) Physician

Niche

825 US NPIs in this specialty

Medicare Part D claims

29 89% vs specialty avg

2023 prescription claims

Specialty avg: 261

Specialty distribution in South Carolina

How Clinical Genetics (M.D.) Physician compares to other specialties among South Carolina providers

South Carolina providers

Clinical Genetics (M.D.) Physician share within South Carolina

1. Clinical Genetics (M.D.) Physician42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Clinical Genetics (M.D.) Physician share within South Carolina

Specialty board-certification context

Estimated specialty board-certified rate — Clinical Genetics (M.D.) Physician (ABMS / AOA reference)

Quality data not reported
Est. board-certified rate
78%
Clinical Genetics (M.D.) Physician ABMS/AOA estimate

Est. board-certified rate (Clinical Genetics (M.D.) Physician) — ABMS / AOA estimate

0%100%78%
Est. board-certified rate (Clinical Genetics (M.D.) 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).

RICHARD SCHROER, MD is a Clinical Genetics (M.D.) Physician provider practicing in NORTH CHARLESTON, South Carolina, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: MD. NPI: 1669463220. 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.

RICHARD SCHROER, MD appears in the CMS NPPES registry as a Clinical Genetics (M.D.) Physician provider holding MD credentials at 3520 W MONTAGUE AVE STE 104, NORTH CHARLESTON, SC, 29418, with a listed phone of (843) 746-1001. NPI 1669463220 was issued on 11/02/2005. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what SCHROER 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 29 prescription claims written by this provider, covering N/A Medicare beneficiaries and totaling roughly $18K in drug spend. 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.

Clinical Genetics (M.D.) Physician is a narrow specialty nationwide, with 825 enrolled providers across 50 states and an average of 261 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

3520 W MONTAGUE AVE STE 104
NORTH CHARLESTON, SC 29418

Provider Details

NPI 1669463220
Specialty Clinical Genetics (M.D.) Physician
Credentials MD
Gender Male
NPI Issued 11/02/2005

Hospital and facility affiliations

Facilities where RICHARD SCHROER, 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.

GREENWOOD GENETIC CENTER LAB
NORTH CHARLESTON, SC

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 RICHARD SCHROER, MD. Source: openpaymentsdata.cms.gov.

Total received

$43

Largest payer

Zevra Therapeutics 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.

Medicare Part D Prescribing Data

CMS Medicare Part D prescriber-level data for calendar year 2023.

29
Total Claims
$18K
Total Drug Cost
N/A
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
43
Total Day Supply
1,239
Generic Drug Cost
$18K

Patient Demographics

Average Patient Age
45.8 years
Avg HCC Risk Score
0.72

Top Prescribed Drugs (Medicare Part D)

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

Drug Claims
Klor-Con
Potassium Chloride
12

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

Clinical Genetics (M.D.) Physician Overview

How RICHARD SCHROER, MD fits within the Clinical Genetics (M.D.) Physician landscape nationally.

825
Clinical Genetics (M.D.) Physician Providers in US
50
States with Clinical Genetics (M.D.) Physician
261
Avg Claims per Provider

RICHARD SCHROER, MD's 29 claims are below the specialty average of 261.

Nearby Clinical Genetics (M.D.) Physician Providers in South Carolina

Other clinicians with the same primary specialty enrolled in South Carolina, drawn from the same CMS NPPES roster as SCHROER.

Compare Clinical Genetics (M.D.) Physician nationally: see state-by-state distribution →

Frequently Asked Questions

What is RICHARD SCHROER, MD's specialty?
RICHARD SCHROER, MD specializes in Clinical Genetics (M.D.) Physician and practices in NORTH CHARLESTON, South Carolina. Credentials: MD.
How much does RICHARD SCHROER, MD prescribe under Medicare Part D?
In 2023, RICHARD SCHROER, MD wrote 29 Medicare Part D claims totaling $18K in drug costs for N/A beneficiaries.
Where is RICHARD SCHROER, MD located?
RICHARD SCHROER, MD is located at 3520 W MONTAGUE AVE STE 104, NORTH CHARLESTON, SC, 29418. Phone: (843) 746-1001.
What is RICHARD SCHROER, MD's NPI number?
RICHARD SCHROER, MD's National Provider Identifier (NPI) is 1669463220, issued on 11/02/2005.
How many Clinical Genetics (M.D.) Physician providers are there in the US?
There are 825 Clinical Genetics (M.D.) Physician providers across 50 states in the US. The average Clinical Genetics (M.D.) Physician provider writes 261 Medicare Part D claims per year.
What drugs does RICHARD SCHROER, MD prescribe most often?
Based on 2023 Medicare Part D data, RICHARD SCHROER, MD's most frequently prescribed drugs include Klor-Con. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does RICHARD SCHROER, MD accept Medicare?
RICHARD SCHROER, MD appears in CMS Medicare data with 29 Part D claims and N/A Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify RICHARD SCHROER, MD's credentials?
RICHARD SCHROER, MD's NPI is 1669463220 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