2026 NPPES data Adult Medicine Physician NPI 1023544871 MD
Verify on CMS →

KATHERINE MCCLELLAN, MD

Adult Medicine Physician in RINGGOLD, Georgia. 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
7K
Medicare Part D claims · 530 beneficiaries · Adult Medicine Physician avg: 3K
Generic prescribing
87%
generic claims · 13% brand-name · higher generic rates reduce patient out-of-pocket costs
MIPS score
94.7056/100
▲ 12 pts above national avg 83.1 · [object Object]
Industry payments
$1.0K
40 payments · CMS Open Payments (Sunshine Act)
What the federal data reveals: KATHERINE MCCLELLAN, MD is a Adult Medicine Physician ([object Object]) practicing in RINGGOLD, Georgia with a Medicare Part D prescribing footprint of 7K claims across 530 beneficiaries — 13% brand-name prescribing . Their CMS MIPS Final Score of 94.7056/100 (national average: 83.1) reflects performance across Quality, Cost, Interoperability, and Improvement Activities . Industry payments of $1.0K across 40 transactions are disclosed under CMS Open Payments (Sunshine Act).

What stands out: KATHERINE MCCLELLAN, MD reported a CMS MIPS final score of 94.7056 out of 100, above the 83.1 national average, and filed 6,620 Medicare Part D claims in 2023. Every figure on this page comes straight from federal CMS records, with no proprietary rating applied.

Board certification likely (heuristic — not verified)

KATHERINE MCCLELLAN, 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).

KATHERINE MCCLELLAN, MD at a glance

High performer (top quartile)

NPI registry status

Active

Issued 05/11/2017

NPI 1023544871

Primary specialty

Adult Medicine Physician

Niche

2,481 US NPIs in this specialty

Medicare Part D claims

6,620 136% vs specialty avg

2023 prescription claims

Specialty avg: 2,807

MIPS final score

94.7056/100 11.60560000000001% pts

Exceptional band

vs 83.1 national avg

Specialty distribution in Georgia

How Adult Medicine Physician compares to other specialties among Georgia providers

Georgia providers

Adult Medicine Physician share within Georgia

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

Medicare quality performance — MIPS

KATHERINE MCCLELLAN, MD's 2023 MIPS final score plotted against the Adult Medicine Physician national average

High performer (top quartile)
MIPS Final Score
94.7056/100
vs 83.1 national avg · 2023 performance year

MIPS final score (Adult Medicine Physician) — 94.7056/100 vs national avg 83.1

0%100%National avg83%94.7%
MIPS final score (Adult Medicine Physician) — 94.7056/100 vs national avg 83.1

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).

KATHERINE MCCLELLAN, MD is a Adult Medicine Physician provider practicing in RINGGOLD, Georgia, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: MD. NPI: 1023544871. 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.

KATHERINE MCCLELLAN, MD appears in the CMS NPPES registry as a Adult Medicine Physician provider holding MD credentials at 4700 BATTLEFIELD PKWY STE 200, RINGGOLD, GA, 30736, with a listed phone of (706) 861-4990. NPI 1023544871 was issued on 05/11/2017. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what MCCLELLAN 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 6,620 prescription claims written by this provider, covering 530 Medicare beneficiaries and totaling roughly $854K in drug spend, split 13% brand-name and 87% generic by claim count. 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. On the CMS Merit-based Incentive Payment System, this provider earned a Final Score of 94.7056/100 for the 2023 performance year (Quality 89.4112), compared with the national average of 83.1.

Adult Medicine Physician is a narrow specialty nationwide, with 2,481 enrolled providers across 52 states and an average of 2,807 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

4700 BATTLEFIELD PKWY STE 200
RINGGOLD, GA 30736

Provider Details

NPI 1023544871
Specialty Adult Medicine Physician
Credentials MD
Gender Female
NPI Issued 05/11/2017

CMS Quality Score (MIPS)

Merit-based Incentive Payment System (MIPS) scores from CMS, 2023 performance year.

94.7056
Final Score
Avg: 83.1
89.4112
Quality
100
Promoting Interoperability

Reporting: Alternative Payment Model

Hospital and facility affiliations

Facilities where KATHERINE MCCLELLAN, 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.

MEMORIAL HEALTH PARTNERS FOUNDATION, INC
RINGGOLD, GA

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 KATHERINE MCCLELLAN, MD. Source: openpaymentsdata.cms.gov.

Total received

$1.0K

Largest payer

Amgen 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.

Brand vs generic prescribing mix · Typical

KATHERINE MCCLELLAN, MD — brand share 13.0%
Specialty average (est.)

13% brand-name claims vs 87% generic, on 6,620 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.

6,620
Total Claims
$854K
Total Drug Cost
530
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
16,548
Total Day Supply
483,989
Brand vs Generic
13% brand / 87% generic
Brand Drug Cost
$732K
Generic Drug Cost
$118K
Antibiotic Claims
165

Patient Demographics

Average Patient Age
71.6 years
Avg HCC Risk Score
1.10
Gender Split
77% female / 23% male
Age Distribution
<65: 68, 65-74: 265, 75-84: 167, 85+: 30

Top Prescribed Drugs (Medicare Part D)

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

Drug Claims
Rosuvastatin Calcium
320
Atorvastatin Calcium
312
Omeprazole
262
Albuterol Sulfate Hfa
Albuterol Sulfate
222
Lisinopril
222
Levothyroxine Sodium
207
Amlodipine Besylate
198
Gabapentin
178
Montelukast Sodium
151
Losartan Potassium
147

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

Adult Medicine Physician Overview

How KATHERINE MCCLELLAN, MD fits within the Adult Medicine Physician landscape nationally.

2,481
Adult Medicine Physician Providers in US
52
States with Adult Medicine Physician
2,807
Avg Claims per Provider

KATHERINE MCCLELLAN, MD's 6,620 claims are above the specialty average of 2,807.

Nearby Adult Medicine Physician Providers in Georgia

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

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

Frequently Asked Questions

What is KATHERINE MCCLELLAN, MD's specialty?
KATHERINE MCCLELLAN, MD specializes in Adult Medicine Physician and practices in RINGGOLD, Georgia. Credentials: MD.
How much does KATHERINE MCCLELLAN, MD prescribe under Medicare Part D?
In 2023, KATHERINE MCCLELLAN, MD wrote 6,620 Medicare Part D claims totaling $854K in drug costs for 530 beneficiaries.
What is KATHERINE MCCLELLAN, MD's Medicare quality score?
KATHERINE MCCLELLAN, MD has a CMS MIPS Final Score of 94.7056/100 (Quality: 89.4112). The national average MIPS Final Score is 83.1. Source: CMS Merit-based Incentive Payment System (MIPS) 2023.
Where is KATHERINE MCCLELLAN, MD located?
KATHERINE MCCLELLAN, MD is located at 4700 BATTLEFIELD PKWY STE 200, RINGGOLD, GA, 30736. Phone: (706) 861-4990.
What is KATHERINE MCCLELLAN, MD's NPI number?
KATHERINE MCCLELLAN, MD's National Provider Identifier (NPI) is 1023544871, issued on 05/11/2017.
Does KATHERINE MCCLELLAN, MD prescribe more brand-name or generic drugs?
KATHERINE MCCLELLAN, MD's prescribing is 13% brand-name and 87% generic drugs by claim count, with $732K in brand drug costs.
How many Adult Medicine Physician providers are there in the US?
There are 2,481 Adult Medicine Physician providers across 52 states in the US. The average Adult Medicine Physician provider writes 2,807 Medicare Part D claims per year.
What drugs does KATHERINE MCCLELLAN, MD prescribe most often?
Based on 2023 Medicare Part D data, KATHERINE MCCLELLAN, MD's most frequently prescribed drugs include Rosuvastatin Calcium, Atorvastatin Calcium, Omeprazole. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does KATHERINE MCCLELLAN, MD accept Medicare?
KATHERINE MCCLELLAN, MD appears in CMS Medicare data with 6,620 Part D claims and 530 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify KATHERINE MCCLELLAN, MD's credentials?
KATHERINE MCCLELLAN, MD's NPI is 1023544871 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.
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 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