Steven David Later, D.O.
Anesthesiology Physician · Harrisburg, PA
Steven David Later, D.O. is an anesthesiology physician with a practice address in Harrisburg, Pennsylvania, and NPI 1770894685, issued on Jun 24, 2010. Check the license (Pennsylvania OS017105, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Steven David Later
- Credential
- D.O.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License numbers
- OS017105 PA
5101018819 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1 Rutherford RD, Harrisburg, PA 17109
- Phone
- (717) 545-5256
- Enumerated
- Jun 24, 2010
- Record last updated
- Jul 7, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (717) 545-5259
- Medicare enrollment
- Enrolled (PECOS I20140908000459); accepts Medicare assignment
- Medical or professional school
- At Still University Of Health Sciences, College Of Osteo Med, Kirksville, 2010
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 2,481 in Pennsylvania → Look up another NPI →
Also registered at 1 Rutherford RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robyne Rast, MDAnesthesiology Physician1376624429
Verify Steven David Later in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS017105Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 3 group practices
- North American Partners IN Anesthesia, Pennsylvania , LLCMechanicsburg, PA
- Orthopedic Assoc OF Lancaster LtdLancaster, PA
- Upmc Pinnacle Anesthesia Services LLCHarrisburg, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Steven David Later among 2,481 anesthesiology physician records in Pennsylvania
Steven David Later, D.O. is one of 2,481 anesthesiology physician records with a practice address in Pennsylvania. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 65% of them.
- NPI issued2010 · 65% of these records are older, 32% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2010 · median 2005 among the 1,720 with a school on file
- Record last updated2014 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anesthesiology Physician providers in Pennsylvania
There are 2,481 anesthesiology physician records in Pennsylvania.
All 2,481 in Pennsylvania → Every provider in Harrisburg → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Roger Bucs, MDHarrisburg, PA 171091306836788
- Chunya Huang, MDHarrisburg, PA 171091205464161
- Christian Lauver, M.D.Harrisburg, PA 171091124257191
- Malik Momin, M.D.Harrisburg, PA 171091023096708
- Shawn Murphy, D.O.Harrisburg, PA 171091730301144
- Jay Nassar, MDHarrisburg, PA 171091548250913
- Erik Nielson, M.D.Harrisburg, PA 171091073749180
- Robyne Rast, MDHarrisburg, PA 171091376624429
Common questions
What is Steven David Later, D.O.'s NPI number?
Steven David Later, D.O.'s National Provider Identifier (NPI) is 1770894685, issued on Jun 24, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Steven David Later, D.O. located?
The NPPES record lists a practice address at 1 Rutherford RD, Harrisburg, PA, 17109. Phone: (717) 545-5256. Providers update this record themselves, so call before visiting.
How can I verify Steven David Later, D.O.'s license?
NPPES lists Pennsylvania license number OS017105, 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. 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.