NPI registry status
Active
2026 NPPES data Pediatric Gastroenterology Physician NPI 1821031451 M.D.
Verify on CMS → Howard Kader, M.D.
Pediatric Gastroenterology Physician in Baltimore, Maryland.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 1,644 in Pediatric Gastroenterology Physician, and covers specialty classification, practice address, and Medicare Part D prescribing data when reported. According to CMS, every field reflects the provider's official federal registration, see our methodology.
Federal data, no proprietary rating.
We show these CMS records as-is - no composite score, no star rating, no editorial opinion layered on top.
Industry payments
$183.2
8 payments · CMS Open Payments (Sunshine Act)
What the federal data shows
Howard Kader, M.D. is a Pediatric Gastroenterology Physician in Baltimore, Maryland, listed in the federal CMS National Provider Identifier registry.
- $183.2
- industry payments (Sunshine Act)
- #258
- Pediatric Gastroenterology Physician rank among Maryland specialties
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.
Federal trust snapshot
What official records show about Howard Kader, M.D.
Active federal NPI registry listing — verify license, disciplinary history, and board certification with official sources before relying on this profile.
- Verified
NPI registry status
Active listing in the CMS National Provider Identifier Registry (NPI 1821031451), first enumerated 06/13/2006.
Source: CMS NPPES
- Not in federal data
Medicare Part D participation
No 2023 Medicare Part D prescribing volume appears in the CMS public file for this NPI (may reflect specialty, new enrollment, or non-prescribing role).
Source: CMS Part D Prescriber PUF
- Reported
Board certification signal
Practices in an ABMS-board-eligible specialty; board certification not confirmed in federal records.
- Reported
Industry payment transparency
$183.2 in reported industry payments (8 transfers) in 2024 under the federal Sunshine Act — disclosed transfers of value, not a quality rating.
Source: CMS Open Payments
- Not in federal data
Individual sanction lookup
PlainDoctor does not publish per-provider disciplinary determinations. Confirm current license and any individual actions through the state medical board or FSMB verification service.
Source: State medical board / FSMB
This trust snapshot summarizes only what appears in federal CMS/NPPES public records. It is not a composite score, star rating, patient review, or clinical recommendation. PlainDoctor never fabricates reviews or AggregateRating schema.
Compare Kader with other Pediatric Gastroenterology Physician providers
Same primary specialty, same federal CMS NPPES roster.
Also enrolled in Maryland
- Dr. Susan Aucott, M.D. Baltimore, MD
- Dr. Samra Blanchard, MD Baltimore, MD
- Dr. Benjamin Caballero, M.D. Baltimore, MD
- Dr. Steven Czinn, MD Baltimore, MD
- Dr. Lina Diaz Calderon, M.D. Baltimore, MD
- Melissa Goldstone Rockville, MD
Other specialties in Baltimore: Student in an Organized Health Care Education/Training Program (4,611) · Behavior Technician (3,620) · Clinical Social Worker (1,843) · Internal Medicine Physician (1,495)
CMS NPPES provider registry desk
NPI 1821031451 · Pediatric Gastroenterology Physician
NPI-10 · ENUM-LEGACY · TAX-NARROW · RX-NONE · BOOK-THIN · PHOTO-ENUM
- NPI-10 1821031451
- ENUM-LEGACY 2006
- TAX-NARROW 1,644
- RX-NONE No Part D
- BOOK-THIN 19 in Maryland
- PHOTO-ENUM John Bucuvalas, M.D. · 2006
◑
Board-eligible specialty (heuristic, not verified)
Howard Kader, M.D. practices in an ABMS-board-eligible specialty but we don't have enough CMS-participation signals to confirm active board-certified status. Consult CertificationMatters.org (the official ABMS public lookup).
What does the federal data show about Howard Kader, M.D.?
Quality data not reportedPrimary specialty
Pediatric Gastroenterology Physician
Specialty distribution in Maryland
How Pediatric Gastroenterology Physician compares to other specialties among Maryland providers
Board certification
Not published by CMS
CMS does not publish a per-provider board-certification field in NPPES. PlainDoctor does not have a reliable per-specialty certification rate to show for Pediatric Gastroenterology Physician. Verify directly:
How MIPS and board certification work
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).
Practice Address
Provider Details
| NPI | 1821031451 |
|---|---|
| Specialty | Pediatric Gastroenterology Physician |
| Credentials | M.D. |
| Gender | Male |
| NPI Issued | 06/13/2006 |
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 Howard Kader, M.D.. Source: openpaymentsdata.cms.gov.
Total received
$183
Largest payer
Neurelis, 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.
Pediatric Gastroenterology Physician Overview
How Howard Kader, M.D. fits within the Pediatric Gastroenterology Physician landscape nationally.
1,644
Pediatric Gastroenterology Physician Providers in US
51
States with Pediatric Gastroenterology Physician
67
Avg Claims per Provider
Nationwide Pediatric Gastroenterology Physician peers with similar MIPS or enrollment year
Two federal-record peer sets for Kader, both outside Maryland so the neighborhoods are not geographic containment.
Same NPPES enumeration year (2006)
Same-specialty clinicians who entered the NPI registry in the same calendar year, outside this state.
Nearby Pediatric Gastroenterology Physician Providers in Maryland
Other clinicians with the same primary specialty enrolled in Maryland, drawn from the same CMS NPPES roster as Kader.
One of 19 Pediatric Gastroenterology Physician providers enrolled in Maryland, 11 are shown on this page.
Dr. Kalpana Hughes
MD
Baltimore, MD
Dr. Douglas Jacobstein
M.D.
Baltimore, MD
Dr. Wikrom Karnsakul
M.D.
Baltimore, MD
Dr. Richard Katz
M.D.
Baltimore, MD
Dr. Charles Kessler
MD
Gaithersburg, MD
Compare Pediatric Gastroenterology Physician nationally: see state-by-state distribution →
Frequently Asked Questions
What is Howard Kader, M.D.'s specialty? ▼
Howard Kader, M.D. specializes in Pediatric Gastroenterology Physician and practices in Baltimore, Maryland. Credentials: M.D..
Where is Howard Kader, M.D. located? ▼
Howard Kader, M.D. is located at 22 S GREENE ST, Baltimore, MD, 21201. Phone: (410) 328-6749.
What is Howard Kader, M.D.'s NPI number? ▼
Howard Kader, M.D.'s National Provider Identifier (NPI) is 1821031451, issued on 06/13/2006.
How many Pediatric Gastroenterology Physician providers are there in the US? ▼
There are 1,644 Pediatric Gastroenterology Physician providers across 51 states in the US. The average Pediatric Gastroenterology Physician provider writes 67 Medicare Part D claims per year.
Does Howard Kader, M.D. accept Medicare? ▼
Howard Kader, M.D. appears in CMS Medicare data. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Howard Kader, M.D.'s credentials? ▼
Howard Kader, M.D.'s NPI is 1821031451 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
View source datasets and methodology notes
- 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.
- 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 August 2026 (NPPES) / 2024 (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
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of August 2026.