2026 NPPES data Pediatric Gastroenterology Physician NPI 1699707638 M.D.
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JOHN WHITWORTH, M.D.

Pediatric Gastroenterology Physician in MEMPHIS, Tennessee. 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
22
Medicare Part D claims · Pediatric Gastroenterology Physician avg: 69
What the federal data reveals: JOHN WHITWORTH, M.D. is a Pediatric Gastroenterology Physician ([object Object]) practicing in MEMPHIS, Tennessee with a Medicare Part D prescribing footprint of 22 claims .

What stands out: JOHN WHITWORTH, M.D. filed 22 Medicare Part D claims in 2023 across MEMPHIS, Tennessee. Every figure on this page comes straight from federal CMS records, with no proprietary rating applied.

Board certification likely (heuristic — not verified)

JOHN WHITWORTH, M.D. 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).

JOHN WHITWORTH, M.D. at a glance

Quality data not reported

NPI registry status

Active

Issued 07/07/2006

NPI 1699707638

Primary specialty

Pediatric Gastroenterology Physician

Niche

1,587 US NPIs in this specialty

Medicare Part D claims

22 68% vs specialty avg

2023 prescription claims

Specialty avg: 69

Specialty distribution in Tennessee

How Pediatric Gastroenterology Physician compares to other specialties among Tennessee providers

Tennessee providers

Pediatric Gastroenterology Physician share within Tennessee

1. Pediatric Gastroenterology Physician42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Pediatric Gastroenterology Physician share within Tennessee

Specialty board-certification context

Estimated specialty board-certified rate — Pediatric Gastroenterology Physician (ABMS / AOA reference)

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

Est. board-certified rate (Pediatric Gastroenterology Physician) — ABMS / AOA estimate

0%100%78%
Est. board-certified rate (Pediatric Gastroenterology 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).

JOHN WHITWORTH, M.D. is a Pediatric Gastroenterology Physician provider practicing in MEMPHIS, Tennessee, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: M.D.. NPI: 1699707638. 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.

JOHN WHITWORTH, M.D. appears in the CMS NPPES registry as a Pediatric Gastroenterology Physician provider holding M.D. credentials at 806 ESTATE PL, MEMPHIS, TN, 38120, with a listed phone of (901) 681-4017. NPI 1699707638 was issued on 07/07/2006. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what WHITWORTH 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 22 prescription claims written by this provider, covering N/A Medicare beneficiaries and totaling roughly $3K 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.

Pediatric Gastroenterology Physician is a narrow specialty nationwide, with 1,587 enrolled providers across 50 states and an average of 69 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

806 ESTATE PL
MEMPHIS, TN 38120

Provider Details

NPI 1699707638
Specialty Pediatric Gastroenterology Physician
Credentials M.D.
Gender Male
NPI Issued 07/07/2006

Hospital and facility affiliations

Facilities where JOHN WHITWORTH, 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.

UT LEBONHEUR PEDIATRIC SPECIALISTS, INC.
MEMPHIS, TN

Affiliations sourced from CMS Doctors and Clinicians National Downloadable File; hospital ratings from CMS Hospital General Information dataset (cross-referenced by facility name + state).

Medicare Part D Prescribing Data

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

22
Total Claims
$3K
Total Drug Cost
N/A
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
22
Total Day Supply
660
Brand Drug Cost
$0
Generic Drug Cost
$3K

Patient Demographics

Average Patient Age
22.3 years
Avg HCC Risk Score
1.33

Top Prescribed Drugs (Medicare Part D)

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

Drug Claims
Famotidine
12

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

Pediatric Gastroenterology Physician Overview

How JOHN WHITWORTH, M.D. fits within the Pediatric Gastroenterology Physician landscape nationally.

1,587
Pediatric Gastroenterology Physician Providers in US
50
States with Pediatric Gastroenterology Physician
69
Avg Claims per Provider

JOHN WHITWORTH, M.D.'s 22 claims are below the specialty average of 69.

Nearby Pediatric Gastroenterology Physician Providers in Tennessee

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

Compare Pediatric Gastroenterology Physician nationally: see state-by-state distribution →

Frequently Asked Questions

What is JOHN WHITWORTH, M.D.'s specialty?
JOHN WHITWORTH, M.D. specializes in Pediatric Gastroenterology Physician and practices in MEMPHIS, Tennessee. Credentials: M.D..
How much does JOHN WHITWORTH, M.D. prescribe under Medicare Part D?
In 2023, JOHN WHITWORTH, M.D. wrote 22 Medicare Part D claims totaling $3K in drug costs for N/A beneficiaries.
Where is JOHN WHITWORTH, M.D. located?
JOHN WHITWORTH, M.D. is located at 806 ESTATE PL, MEMPHIS, TN, 38120. Phone: (901) 681-4017.
What is JOHN WHITWORTH, M.D.'s NPI number?
JOHN WHITWORTH, M.D.'s National Provider Identifier (NPI) is 1699707638, issued on 07/07/2006.
How many Pediatric Gastroenterology Physician providers are there in the US?
There are 1,587 Pediatric Gastroenterology Physician providers across 50 states in the US. The average Pediatric Gastroenterology Physician provider writes 69 Medicare Part D claims per year.
What drugs does JOHN WHITWORTH, M.D. prescribe most often?
Based on 2023 Medicare Part D data, JOHN WHITWORTH, M.D.'s most frequently prescribed drugs include Famotidine. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does JOHN WHITWORTH, M.D. accept Medicare?
JOHN WHITWORTH, M.D. appears in CMS Medicare data with 22 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 JOHN WHITWORTH, M.D.'s credentials?
JOHN WHITWORTH, M.D.'s NPI is 1699707638 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.
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