Mark S. Baker, MD
Pediatrics Physician · Harrisburg, PA
Mark S. Baker, MD is a pediatrics physician with a practice address in Harrisburg, Pennsylvania, and NPI 1235197450, issued on May 4, 2006. Check the license (Pennsylvania MD038131E, as entered in NPPES) on the Pennsylvania Department of State (PALS); the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mark S. Baker
- Credential
- MD
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- MD038131E PA
Self-reported in NPPES; status is on the state search - Practice location
- 121 N Nyes RD, Harrisburg, PA 17112
- Phone
- (800) 233-4082
- Enumerated
- May 4, 2006
- Record last updated
- Sep 18, 2009 (not updated in 17 years: call before relying on the address or phone)
- Medicaid ID
- 0010813530010 PA
- Entity
- Type 1 · individual
Also registered at 121 N Nyes RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Morgan Bennett, FNPNurse Practitioner1609586981
- William Bird, DOFamily Medicine Physician1194780940
- Katie BuppSocial Worker1063958692
- Dennis Chang, MDPediatric Cardiology Physician1144305491
- Jessica Chaudry, PA-CPhysician Assistant1346670478
- Mary Chen, MDPediatrics Physician1922645621
Verify Mark S. Baker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD038131ECheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Pediatrics Physician providers in Pennsylvania
There are 3,382 pediatrics physician records in Pennsylvania. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other pediatrics physician records in Pennsylvania
- Arvin Abadilla, M.D.Hershey, PA1376761510
- Francisca Abanyie, MD MPHPhiladelphia, PA1487812335
- Hoda Abdel-Hamid, MDPittsburgh, PA1376582304
- Amir Abdel-Wahab, M.D.West Reading, PA1548499767
- Mohammed Abdu, MDWilkes Barre, PA1275856221
- Layla Abdulla, MDPhiladelphia, PA1538908363
- Thair Abed, MDPhiladelphia, PA1497743587
- Heather Abegglen, MDMonongahela, PA1598050569
- Margarita Abella, MDPhiladelphia, PA1609338300
- Lori Abels, D.O.York, PA1912164260
Common questions
What is Mark S. Baker, MD's NPI number?
Mark S. Baker, MD's National Provider Identifier (NPI) is 1235197450, issued on May 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark S. Baker, MD located?
The NPPES record lists a practice address at 121 N Nyes RD, Harrisburg, PA, 17112. Phone: (800) 233-4082. Providers update this record themselves, so call before visiting.
How can I verify Mark S. Baker, MD's license?
NPPES lists Pennsylvania license number MD038131E, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. 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.