2026 NPPES data Nephrology Physician NPI 1669461422 M.D.
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HARRIET LANGLEY, M.D.

Nephrology Physician in KANSAS CITY, Missouri. 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
129
Medicare Part D claims · 58 beneficiaries · Nephrology Physician avg: 1K
Generic prescribing
89%
generic claims · 11% brand-name · higher generic rates reduce patient out-of-pocket costs
MIPS score
80.0217/100
▼ 3 pts below national avg 83.1 · [object Object]
Industry payments
$20.39
1 payments · CMS Open Payments (Sunshine Act)
What the federal data reveals: HARRIET LANGLEY, M.D. is a Nephrology Physician ([object Object]) practicing in KANSAS CITY, Missouri with a Medicare Part D prescribing footprint of 129 claims across 58 beneficiaries — 11% brand-name prescribing . Their CMS MIPS Final Score of 80.0217/100 (national average: 83.1) reflects performance across Quality, Cost, Interoperability, and Improvement Activities . Industry payments of $20.39 across 1 transactions are disclosed under CMS Open Payments (Sunshine Act).

What stands out: HARRIET LANGLEY, M.D. reported a CMS MIPS final score of 80.0217 out of 100, below the 83.1 national average, and filed 129 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)

HARRIET LANGLEY, M.D. 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).

HARRIET LANGLEY, M.D. at a glance

Near national average

NPI registry status

Active

Issued 10/14/2005

NPI 1669461422

Primary specialty

Nephrology Physician

Mid-sized

10,534 US NPIs in this specialty

Medicare Part D claims

129 91% vs specialty avg

2023 prescription claims

Specialty avg: 1,454

MIPS final score

80.0217/100 3.0782999999999987% pts

Above neutral band

vs 83.1 national avg

Specialty distribution in Missouri

How Nephrology Physician compares to other specialties among Missouri providers

Missouri providers

Nephrology Physician share within Missouri

1. Nephrology Physician42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Nephrology Physician share within Missouri

Medicare quality performance — MIPS

HARRIET LANGLEY, M.D.'s 2023 MIPS final score plotted against the Nephrology Physician national average

Near national average
MIPS Final Score
80.0217/100
vs 83.1 national avg · 2023 performance year

MIPS final score (Nephrology Physician) — 80.0217/100 vs national avg 83.1

0%100%National avg83%80%
MIPS final score (Nephrology Physician) — 80.0217/100 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).

HARRIET LANGLEY, M.D. is a Nephrology Physician provider practicing in KANSAS CITY, Missouri, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: M.D.. NPI: 1669461422. 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.

HARRIET LANGLEY, M.D. appears in the CMS NPPES registry as a Nephrology Physician provider holding M.D. credentials at 6400 PROSPECT AVE, KANSAS CITY, MO, 64132, with a listed phone of (816) 276-1700. NPI 1669461422 was issued on 10/14/2005. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what LANGLEY 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 129 prescription claims written by this provider, covering 58 Medicare beneficiaries and totaling roughly $7K in drug spend, split 11% brand-name and 89% generic by claim count, with an opioid prescribing rate of 8.5%. 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 80.0217/100 for the 2023 performance year (Quality 78.4117, Cost 59.7919), compared with the national average of 83.1.

Nephrology Physician is a mid-sized specialty nationwide, with 10,534 enrolled providers across 55 states and an average of 1,454 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

6400 PROSPECT AVE
KANSAS CITY, MO 64132

Provider Details

NPI 1669461422
Specialty Nephrology Physician
Credentials M.D.
Gender Female
NPI Issued 10/14/2005

CMS Quality Score (MIPS)

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

80.0217
Final Score
Avg: 83.1
78.4117
Quality
59.7919
Cost

Reporting: Group practice

Hospital and facility affiliations

Facilities where HARRIET LANGLEY, 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.

KC HOSPITALISTS PA
OVERLAND PARK, KS

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 HARRIET LANGLEY, M.D.. Source: openpaymentsdata.cms.gov.

Total received

$20

Largest payer

Mozarc Medical US LLC

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

HARRIET LANGLEY, M.D. — brand share 11.0%
Specialty average (est.)

11% brand-name claims vs 89% generic, on 129 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.

129
Total Claims
$7K
Total Drug Cost
58
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
159
Total Day Supply
3,891
Brand vs Generic
11% brand / 89% generic
Brand Drug Cost
$5K
Generic Drug Cost
$2K
Opioid Claims
11 (8.5% rate)
Antibiotic Claims
15

Patient Demographics

Average Patient Age
75.5 years
Avg HCC Risk Score
1.57
Gender Split
57% female / 43% male

Nephrology Physician Overview

How HARRIET LANGLEY, M.D. fits within the Nephrology Physician landscape nationally.

10,534
Nephrology Physician Providers in US
55
States with Nephrology Physician
1,454
Avg Claims per Provider

HARRIET LANGLEY, M.D.'s 129 claims are below the specialty average of 1,454.

Nearby Nephrology Physician Providers in Missouri

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

Compare Nephrology Physician nationally: see state-by-state distribution →

Frequently Asked Questions

What is HARRIET LANGLEY, M.D.'s specialty?
HARRIET LANGLEY, M.D. specializes in Nephrology Physician and practices in KANSAS CITY, Missouri. Credentials: M.D..
How much does HARRIET LANGLEY, M.D. prescribe under Medicare Part D?
In 2023, HARRIET LANGLEY, M.D. wrote 129 Medicare Part D claims totaling $7K in drug costs for 58 beneficiaries.
What is HARRIET LANGLEY, M.D.'s Medicare quality score?
HARRIET LANGLEY, M.D. has a CMS MIPS Final Score of 80.0217/100 (Quality: 78.4117, Cost: 59.7919). The national average MIPS Final Score is 83.1. Source: CMS Merit-based Incentive Payment System (MIPS) 2023.
Where is HARRIET LANGLEY, M.D. located?
HARRIET LANGLEY, M.D. is located at 6400 PROSPECT AVE, KANSAS CITY, MO, 64132. Phone: (816) 276-1700.
What is HARRIET LANGLEY, M.D.'s NPI number?
HARRIET LANGLEY, M.D.'s National Provider Identifier (NPI) is 1669461422, issued on 10/14/2005.
Does HARRIET LANGLEY, M.D. prescribe more brand-name or generic drugs?
HARRIET LANGLEY, M.D.'s prescribing is 11% brand-name and 89% generic drugs by claim count, with $5K in brand drug costs.
Does HARRIET LANGLEY, M.D. prescribe opioids?
Yes, HARRIET LANGLEY, M.D. had 11 opioid claims in 2023 with an opioid prescribing rate of 8.5%.
How many Nephrology Physician providers are there in the US?
There are 10,534 Nephrology Physician providers across 55 states in the US. The average Nephrology Physician provider writes 1,454 Medicare Part D claims per year.
Does HARRIET LANGLEY, M.D. accept Medicare?
HARRIET LANGLEY, M.D. appears in CMS Medicare data with 129 Part D claims and 58 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify HARRIET LANGLEY, M.D.'s credentials?
HARRIET LANGLEY, M.D.'s NPI is 1669461422 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

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