Michael C. Slack, MD
Pediatric Cardiology Physician · Baltimore, MD
Michael C. Slack, MD is a pediatric cardiology physician with a practice address in Baltimore, Maryland, and NPI 1588758940, issued on Oct 2, 2006. Check the license (Maryland D55380, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Michael C. Slack
- Credential
- MD
- Primary taxonomy
- Pediatric Cardiology Physician 2080P0202X
- License numbers
- D55380 MD
MD31860 DC
Self-reported in NPPES; status is on the state search - Practice location
- 22 S Greene St, Baltimore, MD 21201
- Phone
- (410) 328-2427
- Enumerated
- Oct 2, 2006
- Record last updated
- Jan 5, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (443) 462-3137
- Medicaid IDs
- 028095100 DC
202009201 MD
202009200 MD
6731538 VA - Medicare enrollment
- Enrolled (PECOS I20101129000698); accepts Medicare assignment
- Medical or professional school
- Uniformed Services Uhs Fe Hebert School Of Med, 1983
- Entity
- Type 1 · individual
8 nearest pediatric cardiology physician records → All 38 in Maryland → Look up another NPI →
Also registered at 22 S Greene St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ehssan AbdolalizadehStudent in an Organized Health Care Education/Training Program1093653271
- Mohammad Abdulelah, MDStudent in an Organized Health Care Education/Training Program1114650108
- Leenah AbdulgaderStudent in an Organized Health Care Education/Training Program1386323301
- Ifedayo Abiola-Matthew, CRNPAcute Care Nurse Practitioner1033781117
Verify Michael C. Slack in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D55380Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 88.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $262.99
7 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 1,156 providers of this specialty with any payment received $2,864.57 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 3 group practices
- Medstar Heart Institute LLCWashington, DC
- Medstar Medical Group II LLCWashington, DC
- University OF Maryland Pediatric Associates, PABaltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael C. Slack among 38 pediatric cardiology physician records in Maryland
Michael C. Slack, MD is one of 38 pediatric cardiology physician records with a practice address in Maryland. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 53% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated1983 · median 2005 among the 21 with a school on file
- Record last updated2015 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0202X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Cardiology Physician providers in Maryland
There are 38 pediatric cardiology physician records in Maryland.
All 38 in Maryland → Every provider in Baltimore → Pediatric Cardiology Physician nationwide →
The 8 pediatric cardiology physician records with the nearest ZIP codes
- Alicia Chaves, M.D.Baltimore, MD 212011871778456
- Peter Gaskin, MDBaltimore, MD 212011881628329
- Priya Nigam, M.D.Baltimore, MD 212011235525288
- Nicholas Pietris, MDBaltimore, MD 212011700063914
- Nathaniel Robbins, M.D.Baltimore, MD 212011043657398
- Sudhir VashistBaltimore, MD 212011770597098
- Robert Barlow, M.D.,PH.D.Rosedale, MD 212371871778282
- Joshua Kanter, MDBaltimore, MD 212641073607578
Common questions
What is Michael C. Slack, MD's NPI number?
Michael C. Slack, MD's National Provider Identifier (NPI) is 1588758940, issued on Oct 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael C. Slack, MD located?
The NPPES record lists a practice address at 22 S Greene St, Baltimore, MD, 21201. Phone: (410) 328-2427. Providers update this record themselves, so call before visiting.
How can I verify Michael C. Slack, MD's license?
NPPES lists Maryland license number D55380, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Michael C. Slack, MD's MIPS final score?
The 2023 MIPS final score is 88.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.