Marylena Rose Mizerak, MD
Internal Medicine Physician · Harrisburg, PA
Marylena Rose Mizerak, MD is an internal medicine physician with a practice address in Harrisburg, Pennsylvania, and NPI 1326614116, issued on Jun 2, 2021. Check the license (Pennsylvania MD486010, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Marylena Rose Mizerak
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD486010 PA
Self-reported in NPPES; status is on the state search - Practice location
- 1540 Alexandra LN, Harrisburg, PA 17110
- Phone
- (717) 798-3363
- Enumerated
- Jun 2, 2021
- Record last updated
- Jun 10, 2025
- Fax
- (717) 798-3364
- Medicare enrollment
- Enrolled (PECOS I20240912000829); accepts Medicare assignment
- Medical or professional school
- Pennsylvania State University College Of Medicine, 2021
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,300 in Pennsylvania → Look up another NPI →
Also registered at 1540 Alexandra LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alexandar Jerev, MDInternal Medicine Physician1780629071
- Ping ZhangFamily Medicine Physician1235995010
Verify Marylena Rose Mizerak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD486010Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average internal medicine physician in 2024
447 Medicare Part D claims for 80 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Atorvastatin Calcium41 claims
- Levothyroxine Sodium20 claims
- Amlodipine Besylate15 claims
- Gabapentin15 claims
- Duloxetine Hcl14 claims
- Carvedilol13 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
- Penn State Health Medical Group LLCHarrisburg, PA
- Phoenix Rehabilitation And Health Services IncCranberry Twp, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marylena Rose Mizerak among 7,300 internal medicine physician records in Pennsylvania
Marylena Rose Mizerak, MD is one of 7,300 internal medicine physician records with a practice address in Pennsylvania. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 81% of them.
- NPI issued2021 · 81% of these records are older, 15% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2021 · median 2008 among the 4,208 with a school on file
- Record last updated2025 · 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 207R00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
184 internal medicine physician records list a practice address in Harrisburg
They are 184 of the 3,963 NPPES records with a practice address in Harrisburg, and 7,300 internal medicine physician records in Pennsylvania.
All 7,300 in Pennsylvania → Every provider in Harrisburg → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- William Bambach, D.O.Harrisburg, PA 171101548567076
- Evangeline Emesue, M.DHarrisburg, PA 171101033553540
- Sharon Frankel, M.D.Harrisburg, PA 171101396741187
- Alexandar Jerev, MDHarrisburg, PA 171101780629071
- Edward Kim, MDHarrisburg, PA 171101952369548
- Olson Knight, MDHarrisburg, PA 171101548781602
- George Kosco, D.O.Harrisburg, PA 171101699774695
- Alexandra Moody, MDHarrisburg, PA 171101578054169
Common questions
What is Marylena Rose Mizerak, MD's NPI number?
Marylena Rose Mizerak, MD's National Provider Identifier (NPI) is 1326614116, issued on Jun 2, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Marylena Rose Mizerak, MD located?
The NPPES record lists a practice address at 1540 Alexandra LN, Harrisburg, PA, 17110. Phone: (717) 798-3363. Providers update this record themselves, so call before visiting.
How can I verify Marylena Rose Mizerak, MD's license?
NPPES lists Pennsylvania license number MD486010, 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 Marylena Rose Mizerak, MD prescribe under Medicare Part D?
In 2024, Marylena Rose Mizerak, MD had 447 Medicare Part D claims for 80 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.