Timothy S. Ackerman, D.O.
Orthopaedic Surgery Physician · Harrisburg, PA
Timothy S. Ackerman, D.O. is an orthopaedic surgery physician with a practice address in Harrisburg, Pennsylvania, and NPI 1609879535, issued on May 24, 2005. Check the license (Pennsylvania OS010707L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Timothy S. Ackerman
- Credential
- D.O.
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- OS010707L PA
Self-reported in NPPES; status is on the state search - Practice location
- 820 Sir Thomas CT, Harrisburg, PA 17109
- Phone
- (717) 652-9555
- Enumerated
- May 24, 2005
- Record last updated
- Oct 31, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (717) 657-9023
- Medicare enrollment
- Enrolled (PECOS I20050415000414); may accept Medicare assignment
- Medical or professional school
- Lake Erie College Of Osteopathic Medicine, Erie, 1999
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 1,253 in Pennsylvania → Look up another NPI →
Also registered at 820 Sir Thomas CT
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Donia Abdalla, MMSC, PA-CPhysician Assistant1164376851
- William Beutler, M.D.Neurological Surgery Physician1649274689
- Keegan Bower, PA-CPhysician Assistant1790510683
- Janie Cozzoli, CRNPFamily Nurse Practitioner1013563980
- Tara Cross, PA-CPhysician Assistant1508278102
- Katlyn Ecklund, CRNPFamily Nurse Practitioner1780296459
Verify Timothy S. Ackerman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS010707LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% more Medicare Part D claims than the average orthopaedic surgery physician in 2024
382 Medicare Part D claims for 199 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. 114 claims were for opioids.
Most prescribed
- Cephalexin76 claims
- Oxycodone Hcl73 claims
- Diclofenac Sodium59 claims
- Celecoxib56 claims
- Meloxicam32 claims
- Hydrocodone-Acetaminophen23 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 practice group's MIPS final score for 2023 (Medicare payment program): 82.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $427.18
3 payments; by number, the most common kind was food and beverage; the largest payer was Smith+Nephew, Inc. The 15,003 providers of this specialty with any payment received $23,022.89 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 3 group practices
- Phoenix Rehabilitation And Health Services IncCranberry Twp, PA
- Pinnacle Health Medical ServicesHarrisburg, PA
- Pshr Physical Therapy, LLCHershey, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Timothy S. Ackerman among 1,253 orthopaedic surgery physician records in Pennsylvania
Timothy S. Ackerman, D.O. is one of 1,253 orthopaedic surgery physician records with a practice address in Pennsylvania. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 79% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1999 · median 2003 among the 777 with a school on file
- Record last updated2019 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X 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 Physician providers in Pennsylvania
There are 1,253 orthopaedic surgery physician records in Pennsylvania.
All 1,253 in Pennsylvania → Every provider in Harrisburg → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Matthew Espenshade, D.O.Harrisburg, PA 171091558561514
- John Grandrimo, D.O.Harrisburg, PA 171091093719031
- Rex Herbert, D.O.Harrisburg, PA 171091932102860
- Scott King, D.O.Harrisburg, PA 171091720082761
- Eric Kutz, D.O.Harrisburg, PA 171091508826892
- Michael Marcinko, DOHarrisburg, PA 171091861075954
- Walter Peppelman, DOHarrisburg, PA 171091558365593
- Jerry Robinson, MDHarrisburg, PA 171091073977104
Common questions
What is Timothy S. Ackerman, D.O.'s NPI number?
Timothy S. Ackerman, D.O.'s National Provider Identifier (NPI) is 1609879535, issued on May 24, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Timothy S. Ackerman, D.O. located?
The NPPES record lists a practice address at 820 Sir Thomas CT, Harrisburg, PA, 17109. Phone: (717) 652-9555. Providers update this record themselves, so call before visiting.
How can I verify Timothy S. Ackerman, D.O.'s license?
NPPES lists Pennsylvania license number OS010707L, 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 Timothy S. Ackerman, D.O. prescribe under Medicare Part D?
In 2024, Timothy S. Ackerman, D.O. had 382 Medicare Part D claims for 199 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.
What is Timothy S. Ackerman, D.O.'s MIPS final score?
The 2023 MIPS final score is 82.5 of 100, reported for the practice group. 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.