Mark Ernst Tantorski, D.O.
Orthopaedic Surgery of the Spine Physician · West Chester, PA
Mark Ernst Tantorski, D.O. is an orthopaedic surgery of the spine physician with a practice address in West Chester, Pennsylvania, and NPI 1528213410, issued on Nov 19, 2008. Check the license (Pennsylvania OS014361, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Mark Ernst Tantorski
- Credential
- D.O.
- Primary taxonomy
- Orthopaedic Surgery of the Spine Physician 207XS0117X
- License number
- OS014361 PA
Self-reported in NPPES; status is on the state search - Practice location
- 915 Old Fern Hill RD Ste 1B-A, West Chester, PA 19380
- Phone
- (610) 692-6280
- Enumerated
- Nov 19, 2008
- Record last updated
- Mar 2, 2026
- Medicare enrollment
- Enrolled (PECOS I20101206000600); accepts Medicare assignment
- Medical or professional school
- University Of New England, College Of Osteo Medicine, 2006
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery of the spine physician records → All 43 in Pennsylvania → Look up another NPI →
Also registered at 915 Old Fern Hill RD Ste 1B-A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mitchell Goldman, DPMFoot & Ankle Surgery Podiatrist1790476570
Verify Mark Ernst Tantorski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS014361Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
26% fewer Medicare Part D claims than the average orthopaedic surgery of the spine physician in 2024
283 Medicare Part D claims for 146 beneficiaries, against an average of 381 among the 1,714 providers of this specialty who prescribed in Part D. 81 claims were for opioids.
Most prescribed
- Gabapentin63 claims
- Tramadol Hcl55 claims
- Meloxicam53 claims
- Methylprednisolone24 claims
- Oxycodone Hcl24 claims
- Pregabalin14 claims
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.
The MIPS final score for 2023 (Medicare payment program): 66.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $742.29
12 payments; by number, the most common kind was food and beverage; the largest payer was Spinal Elements, Inc. The 1,726 providers of this specialty with any payment received $34,071.55 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.
Bills Medicare through one group practice
- Premier Orthopaedic And Sports Medicine Associates, LtdWest Chester, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Ernst Tantorski among 43 orthopaedic surgery of the spine physician records in Pennsylvania
Mark Ernst Tantorski, D.O. is one of 43 orthopaedic surgery of the spine physician records with a practice address in Pennsylvania. 91% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 63% of them.
- NPI issued2008 · 63% of these records are older, 33% newer
- In a Medicare fileYes · 91% of these records are
- In the CMS Doctors and Clinicians fileYes · 79% of these records are
- Graduated2006 · median 2003 among the 34 with a school on file
- Record last updated2026 · 37% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207XS0117X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Surgery of the Spine Physician providers in Pennsylvania
There are 43 orthopaedic surgery of the spine physician records in Pennsylvania.
All 43 in Pennsylvania → Every provider in West Chester → Orthopaedic Surgery of the Spine Physician nationwide →
The 8 orthopaedic surgery of the spine physician records with the nearest ZIP codes
- Steven Valentino, DOKing Of Prussia, PA 194061366400798
- David Abraham, M.D.Wyomissing, PA 196101205897964
- Joshua Pahys, MDPhiladelphia, PA 191401922212851
- Ikechukwu Amakiri, MD, MBAPhiladelphia, PA 191071114503125
- J Fisher, MDPhiladelphia, PA 191071073518056
- Sherif Sherif, MDPhiladelphia, PA 191071427431022
- Richard Balderston, M.D.Philadelphia, PA 191061265476386
- David Casper, M.D.Philadelphia, PA 191061477971422
Common questions
What is Mark Ernst Tantorski, D.O.'s NPI number?
Mark Ernst Tantorski, D.O.'s National Provider Identifier (NPI) is 1528213410, issued on Nov 19, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Mark Ernst Tantorski, D.O. located?
The NPPES record lists a practice address at 915 Old Fern Hill RD Ste 1B-A, West Chester, PA, 19380. Phone: (610) 692-6280. Providers update this record themselves, so call before visiting.
How can I verify Mark Ernst Tantorski, D.O.'s license?
NPPES lists Pennsylvania license number OS014361, 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.
How much does Mark Ernst Tantorski, D.O. prescribe under Medicare Part D?
In 2024, Mark Ernst Tantorski, D.O. had 283 Medicare Part D claims for 146 beneficiaries; the average among orthopaedic surgery of the spine physician prescribers was 381. Part D covers Medicare prescriptions only.
What is Mark Ernst Tantorski, D.O.'s MIPS final score?
The 2023 MIPS final score is 66.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.