2026 NPPES data Hospitalist Physician NPI 1245493402 MD
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SIDDHARTH KAUL, MD

Hospitalist Physician in BRIDGETON, 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
2K
Medicare Part D claims · 377 beneficiaries · Hospitalist Physician avg: 888
Generic prescribing
90%
generic claims · 10% brand-name · higher generic rates reduce patient out-of-pocket costs
Industry payments
$27.3K
163 payments · CMS Open Payments (Sunshine Act)

What the federal data shows

SIDDHARTH KAUL, MD filed 2,499 Medicare Part D claims in 2023 as a Hospitalist Physician in BRIDGETON, Missouri, prescribing 90% generic.

2K
Part D claims, 2023
90%
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.

SIDDHARTH KAUL, MD's Medicare Part D volume vs every U.S. prescriber

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

2,499 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)

SIDDHARTH KAUL, MD practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + 7 hospital affiliations — 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 SIDDHARTH KAUL, MD?

Quality data not reported

NPI registry status

Active

Issued 07/08/2008

NPI 1245493402

Primary specialty

Hospitalist Physician

Mid-sized

16,825 US NPIs in this specialty

Medicare Part D claims

2,499 181% vs specialty avg

2023 prescription claims

Specialty avg: 888

Specialty distribution in Missouri

How Hospitalist Physician compares to other specialties among Missouri providers

Missouri providers

Hospitalist Physician share within Missouri

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

Specialty board-certification context

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

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

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

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

SIDDHARTH KAUL, MD appears in the CMS NPPES registry as a Hospitalist Physician provider holding MD credentials at 12266 DE PAUL DR STE 100, BRIDGETON, MO, 63044, with a listed phone of (314) 738-2770. NPI 1245493402 was issued on 07/08/2008. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what KAUL 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 2,499 prescription claims written by this provider, covering 377 Medicare beneficiaries and totaling roughly $641K in drug spend, split 10% brand-name and 90% generic by claim count, with an opioid prescribing rate of 2.1%. 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.

Hospitalist Physician is a mid-sized specialty nationwide, with 16,825 enrolled providers across 54 states and an average of 888 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

12266 DE PAUL DR STE 100
BRIDGETON, MO 63044

Provider Details

NPI 1245493402
Specialty Hospitalist Physician
Credentials MD
Gender Male
NPI Issued 07/08/2008

Hospital and facility affiliations

Facilities where SIDDHARTH KAUL, 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.

BAPTIST HEALTH MEDICAL GROUP INC
ELIZABETHTOWN, KY
LEGACY CLINICS LLC
PORTLAND, OR
PIEDMONT HOSPITALIST PHYSICIANS LLC
ATLANTA, GA
SSM MEDICAL GROUP INC
BRIDGETON, MO
TELESPECIALISTS NORTH CAROLINA NEUROLOGY SERVICES PLLC
SAINT LOUIS, MO
VIRTUAL NEUROLOGY LLC
SAINT LOUIS, MO

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 SIDDHARTH KAUL, MD. Source: openpaymentsdata.cms.gov.

Total received

$27.3K

Largest payer

ABBVIE 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

SIDDHARTH KAUL, MD — brand share 10.0%
Specialty average (est.)

10% brand-name claims vs 90% generic, on 2,499 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.

2,499
Total Claims
$641K
Total Drug Cost
377
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
3,817
Total Day Supply
107,198
Brand vs Generic
10% brand / 90% generic
Brand Drug Cost
$556K
Generic Drug Cost
$84K
Opioid Claims
53 (2.1% rate)

Patient Demographics

Average Patient Age
66.3 years
Avg HCC Risk Score
1.71
Gender Split
64% female / 36% male
Age Distribution
<65: 133, 65-74: 135, 75-84: 91, 85+: 18

Top Prescribed Drugs (Medicare Part D)

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

What SIDDHARTH KAUL, 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
Gabapentin
233
Carbidopa-Levodopa
Carbidopa/Levodopa
125
Butalbital-Acetaminophen-Caffe
Butalb/Acetaminophen/Caffeine
123
Clonazepam
109
Tizanidine Hcl
101
Sumatriptan Succinate
92
Topiramate
92
Nortriptyline Hcl
83
Levetiracetam
77
Lacosamide
64

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

Hospitalist Physician Overview

How SIDDHARTH KAUL, MD fits within the Hospitalist Physician landscape nationally.

16,825
Hospitalist Physician Providers in US
54
States with Hospitalist Physician
888
Avg Claims per Provider

SIDDHARTH KAUL, MD's 2,499 claims are above the specialty average of 888.

Nearby Hospitalist Physician Providers in Missouri

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

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

Frequently Asked Questions

What is SIDDHARTH KAUL, MD's specialty?
SIDDHARTH KAUL, MD specializes in Hospitalist Physician and practices in BRIDGETON, Missouri. Credentials: MD.
How much does SIDDHARTH KAUL, MD prescribe under Medicare Part D?
In 2023, SIDDHARTH KAUL, MD wrote 2,499 Medicare Part D claims totaling $641K in drug costs for 377 beneficiaries.
Where is SIDDHARTH KAUL, MD located?
SIDDHARTH KAUL, MD is located at 12266 DE PAUL DR STE 100, BRIDGETON, MO, 63044. Phone: (314) 738-2770.
What is SIDDHARTH KAUL, MD's NPI number?
SIDDHARTH KAUL, MD's National Provider Identifier (NPI) is 1245493402, issued on 07/08/2008.
Does SIDDHARTH KAUL, MD prescribe more brand-name or generic drugs?
SIDDHARTH KAUL, MD's prescribing is 10% brand-name and 90% generic drugs by claim count, with $556K in brand drug costs.
Does SIDDHARTH KAUL, MD prescribe opioids?
Yes, SIDDHARTH KAUL, MD had 53 opioid claims in 2023 with an opioid prescribing rate of 2.1%.
How many Hospitalist Physician providers are there in the US?
There are 16,825 Hospitalist Physician providers across 54 states in the US. The average Hospitalist Physician provider writes 888 Medicare Part D claims per year.
What drugs does SIDDHARTH KAUL, MD prescribe most often?
Based on 2023 Medicare Part D data, SIDDHARTH KAUL, MD's most frequently prescribed drugs include Gabapentin, Carbidopa-Levodopa, Butalbital-Acetaminophen-Caffe. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does SIDDHARTH KAUL, MD accept Medicare?
SIDDHARTH KAUL, MD appears in CMS Medicare data with 2,499 Part D claims and 377 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify SIDDHARTH KAUL, MD's credentials?
SIDDHARTH KAUL, MD's NPI is 1245493402 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