NPPES file of Aug 9, 2026

Karoline Moon, M.D.

Sleep Medicine (Internal Medicine) Physician · Baltimore, MD

Karoline Moon, M.D. is a sleep medicine (internal medicine) physician with a practice address in Baltimore, Maryland, and NPI 1972629210, issued on Mar 21, 2007. Check the license (Maryland D73386, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1972629210
Name
Karoline Moon
Credential
M.D.
Primary taxonomy
Sleep Medicine (Internal Medicine) Physician 207RS0012X
License number
D73386 MD
Self-reported in NPPES; status is on the state search
Practice location
6565 N. Charles Street, Baltimore, MD 21204
Phone
(443) 849-3901
Enumerated
Mar 21, 2007
Record last updated
May 1, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(443) 849-3902
Medicare enrollment
Enrolled (PECOS I20120827000498); accepts Medicare assignment
Medical or professional school
University Of Rochester School Of Medicine And Dentistry, 2007
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 6565 N. Charles Street

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Bethlehem Abebe-Wolpaw, MDPediatrics Physician1255462289
  2. Melissa Mondich, LCSW-CClinical Social Worker1962788174
  3. Kimberly O'Rourke, M.D.Obstetrics & Gynecology Physician1093929366
  4. Rachel Plotnick, M.D.Pediatrics Physician1477508802

Verify Karoline Moon in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D73386
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Maryland license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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98% fewer Medicare Part D claims than the average sleep medicine (internal medicine) physician in 2024

11 Medicare Part D claims, against an average of 585 among the 852 providers of this specialty who prescribed in Part D.

  1. Karoline Moon11
  2. Specialty average585

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Greater Baltimore Medical Center IncBaltimore, MD

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Karoline Moon among 26 sleep medicine (internal medicine) physician records in Maryland

Karoline Moon, M.D. is one of 26 sleep medicine (internal medicine) physician records with a practice address in Maryland. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 50% of them.

  • NPI issued2007 · 50% of these records are older, 35% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2007 · median 1999 among the 16 with a school on file
  • Record last updated2019 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RS0012X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Sleep Medicine (Internal Medicine) Physician providers in Maryland

There are 26 sleep medicine (internal medicine) physician records in Maryland.

The 8 sleep medicine (internal medicine) physician records with the nearest ZIP codes

  1. Stephanie Wappel, M.D.Towson, MD 212041942599568
  2. Amandeep BawaBaltimore, MD 212011720059645
  3. John Brown, M.D.Baltimore, MD 212011215968516
  4. Montserrat Diaz-Abad, M.D.Baltimore, MD 212011326246265
  5. Danielle Glick, MDBaltimore, MD 212011063830685
  6. Steven Scharf, M.D.Baltimore, MD 212011992766547
  7. Avelino Verceles, M.D.Baltimore, MD 212011063448322
  8. Khaleel Ahmed, M.DBaltimore, MD 212291588783286

Common questions

What is Karoline Moon, M.D.'s NPI number?

Karoline Moon, M.D.'s National Provider Identifier (NPI) is 1972629210, issued on Mar 21, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Karoline Moon, M.D. located?

The NPPES record lists a practice address at 6565 N. Charles Street, Baltimore, MD, 21204. Phone: (443) 849-3901. Providers update this record themselves, so call before visiting.

How can I verify Karoline Moon, M.D.'s license?

NPPES lists Maryland license number D73386, 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.

How much does Karoline Moon, M.D. prescribe under Medicare Part D?

In 2024, Karoline Moon, M.D. had 11 Medicare Part D claims; the average among sleep medicine (internal medicine) physician prescribers was 585. Part D covers Medicare prescriptions only.

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.