Michael Haak, MD
Orthopaedic Surgery Physician · Danville, PA
Michael Haak, MD is an orthopaedic surgery physician with a practice address in Danville, Pennsylvania, and NPI 1780799262, issued on Aug 21, 2006. Check the license (Pennsylvania MD448162, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Michael Haak
- Credential
- MD
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License numbers
- MD448162 PA
036-080069 IL
Self-reported in NPPES; status is on the state search - Practice location
- 100 N Academy Ave, Danville, PA 17822
- Phone
- (570) 271-6541
- Enumerated
- Aug 21, 2006
- Record last updated
- Aug 17, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (570) 271-5872
- Medicare enrollment
- Enrolled (PECOS I20130510000381); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 1984
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 1,253 in Pennsylvania → Look up another NPI →
Also registered at 100 N Academy Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kristin AblineRegistered Nurse1174368757
- Clara Abouelsaad, DOStudent in an Organized Health Care Education/Training Program1013610062
- Dana Achenbach, PHARMDPharmacist1528612975
- Maisa AdamAnatomic Pathology & Clinical Pathology Physician1568306512
Verify Michael Haak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD448162Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.3 times the Medicare Part D claims of the average orthopaedic surgery physician in 2024
806 Medicare Part D claims for 276 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 17 claims were for opioids.
Most prescribed
- Tizanidine Hcl198 claims
- Duloxetine Hcl168 claims
- Diclofenac Sodium143 claims
- Gabapentin139 claims
- Pregabalin31 claims
- Methylprednisolone29 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.
Bills Medicare through 2 group practices
- Geisinger ClinicDanville, PA
- Phoenix Rehabilitation And Health Services IncCranberry Township, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Haak among 1,253 orthopaedic surgery physician records in Pennsylvania
Michael Haak, MD 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 2006, is newer than 21% of them.
- NPI issued2006 · 21% of these records are older, 48% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1984 · median 2003 among the 777 with a school on file
- Record last updated2020 · 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 Danville → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- David Andreychik, M.D.Danville, PA 178221861466039
- Thomas Bowen, M.D.Danville, PA 178221396708491
- David Bush, M.D.Danville, PA 178221477528362
- Gregory Fanelli, M.D.Danville, PA 178221487621611
- Daniel Feldmann, M.D.Danville, PA 178221558338632
- William Hess, M.D.Danville, PA 178221902865934
- Steven Lietman, MDDanville, PA 178221134163132
- Steven Lillmars, D.O.Danville, PA 178221821059833
Common questions
What is Michael Haak, MD's NPI number?
Michael Haak, MD's National Provider Identifier (NPI) is 1780799262, issued on Aug 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael Haak, MD located?
The NPPES record lists a practice address at 100 N Academy Ave, Danville, PA, 17822. Phone: (570) 271-6541. Providers update this record themselves, so call before visiting.
How can I verify Michael Haak, MD's license?
NPPES lists Pennsylvania license number MD448162, 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 Michael Haak, MD prescribe under Medicare Part D?
In 2024, Michael Haak, MD had 806 Medicare Part D claims for 276 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.
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.