Peggy J. Guerrero-Martin, M.D.
Pediatrics Physician · Ellicott City, MD
Peggy J. Guerrero-Martin, M.D. is a pediatrics physician with a practice address in Ellicott City, Maryland, and NPI 1891759890, issued on Apr 14, 2006. Check the license (Maryland D0050253, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Peggy J. Guerrero-Martin
- Credential
- M.D.
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- D0050253 MD
Self-reported in NPPES; status is on the state search - Practice location
- 9501 Old Annapolis RD, Ellicott City, MD 21042
- Phone
- (410) 992-9339
- Enumerated
- Apr 14, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (410) 964-5150
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 1,842 in Maryland → Look up another NPI →
Also registered at 9501 Old Annapolis RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Scott Ayd, PTPhysical Therapist1821150558
- Robert Baldwin, M.D.Pediatrics Physician1669436556
- Melanie Bhatnagar, MDPediatrics Physician1699900605
- Lucy Christopher, OTOccupational Therapist1558423285
- Kiersten CrowleyStudent in an Organized Health Care Education/Training Program1003770017
- Yasmine Darrehmane, PT,DPTPhysical Therapist1851961486
Verify Peggy J. Guerrero-Martin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0050253Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $268.48
4 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 21,580 providers of this specialty with any payment received $842.05 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.
Peggy J. Guerrero-Martin among 1,842 pediatrics physician records in Maryland
Peggy J. Guerrero-Martin, M.D. is one of 1,842 pediatrics physician records with a practice address in Maryland. 35% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 51% newer
- In a Medicare fileYes · 35% of these records are
- In the CMS Doctors and Clinicians fileNo · 9% of these records are
- Record last updated2026 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
19 pediatrics physician records list a practice address in Ellicott City
They are 19 of the 1,648 NPPES records with a practice address in Ellicott City, and 1,842 pediatrics physician records in Maryland.
All 1,842 in Maryland → Every provider in Ellicott City → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Robert Baldwin, M.D.Ellicott City, MD 210421669436556
- Lesly Berger, MDEllicott City, MD 210421639133036
- Melanie Bhatnagar, MDEllicott City, MD 210421699900605
- Oliver Galita, MDEllicott City, MD 210421346206489
- Arti Jaiswal Balchandani, MDEllicott City, MD 210421902997943
- Betty Kyser, MDEllicott City, MD 210421679740120
- Susan Lee, M.D.Ellicott City, MD 210421336104140
- Patricia Liszewski, M.D.Ellicott City, MD 210421417911413
Common questions
What is Peggy J. Guerrero-Martin, M.D.'s NPI number?
Peggy J. Guerrero-Martin, M.D.'s National Provider Identifier (NPI) is 1891759890, issued on Apr 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Peggy J. Guerrero-Martin, M.D. located?
The NPPES record lists a practice address at 9501 Old Annapolis RD, Ellicott City, MD, 21042. Phone: (410) 992-9339. Providers update this record themselves, so call before visiting.
How can I verify Peggy J. Guerrero-Martin, M.D.'s license?
NPPES lists Maryland license number D0050253, 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. 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.