NPPES file of Aug 9, 2026

Michael Ross Simmons, MD

Gynecology Physician · Timonium, MD

Michael Ross Simmons, MD is a gynecology physician with a practice address in Timonium, Maryland, and NPI 1104931328, issued on Aug 20, 2006. Check the license (Maryland D30190, as entered in NPPES) on the Maryland Board of Physicians; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1104931328
Name
Michael Ross Simmons
Credential
MD
Primary taxonomy
Gynecology Physician 207VG0400X
License number
D30190 MD
Self-reported in NPPES; status is on the state search
Practice location
57 W Timonium RD, Timonium, MD 21093
Phone
(410) 252-6400
Enumerated
Aug 20, 2006
Record last updated
Sep 9, 2020 (not updated in 6 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 57 W Timonium RD

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

  1. Russ Anton, DDSGeneral Practice Dentistry1730380858
  2. Ayanna Cooke-Chen, MD, PHDChild & Adolescent Psychiatry Physician1750411542
  3. Ramona Harrison, LCSW-CClinical Social Worker1780385781
  4. Cynthia Hinnant, MSW LCSWCSocial Worker1629008891

Verify Michael Ross Simmons in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D30190
    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

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Michael Ross Simmons among 131 gynecology physician records in Maryland

Michael Ross Simmons, MD is one of 131 gynecology physician records with a practice address in Maryland. 53% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 27% of them.

  • NPI issued2006 · 27% of these records are older, 31% newer
  • In a Medicare fileNo · 53% of these records are
  • In the CMS Doctors and Clinicians fileNo · 33% of these records are
  • Record last updated2020 · 66% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VG0400X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gynecology Physician providers in Maryland

There are 131 gynecology physician records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 gynecology physician records with the nearest ZIP codes

  1. Teodoro R Carangal Carangal, M.D.Timonium, MD 210931437267325
  2. Andrew London, MDLutherville, MD 210931780770206
  3. Sheo Sharma, M.D.Lutherville, MD 210931285658112
  4. Young ChangElkridge, MD 210751790710770
  5. Kelsey Quick, PA-CPasadena, MD 211221104428275
  6. Leoncio Ceccarelli, MDGlen Burnie, MD 210611215996848
  7. Song Chung, MDGlen Burnie, MD 210611700968047
  8. Vijayalakshmi Nimmagadda, M.DGlen Burnie, MD 210611992854285

Common questions

What is Michael Ross Simmons, MD's NPI number?

Michael Ross Simmons, MD's National Provider Identifier (NPI) is 1104931328, issued on Aug 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael Ross Simmons, MD located?

The NPPES record lists a practice address at 57 W Timonium RD, Timonium, MD, 21093. Phone: (410) 252-6400. Providers update this record themselves, so call before visiting.

How can I verify Michael Ross Simmons, MD's license?

NPPES lists Maryland license number D30190, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.