Barak Marshall, DO
Family Medicine Physician · Quakertown, PA
Barak Marshall, DO is a family medicine physician with a practice address in Quakertown, Pennsylvania, and NPI 1619667706, issued on May 11, 2023. Check the license (Pennsylvania OS025787, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Barak Marshall
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- OS025787 PA
Self-reported in NPPES; status is on the state search - Practice location
- 1021 Park Ave Ste 203, Quakertown, PA 18951
- Phone
- (215) 536-7998
- Enumerated
- May 11, 2023
- Record last updated
- Jul 21, 2026
- Fax
- (866) 314-4605
- Medicare enrollment
- Enrolled (PECOS I20260602004577); accepts Medicare assignment
- Medical or professional school
- Philadelphia College Of Osteopathic Medicine, 2023
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 7,483 in Pennsylvania → Look up another NPI →
Verify Barak Marshall in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS025787Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average family medicine physician in 2024
386 Medicare Part D claims for 44 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium28 claims
- Metformin Hcl25 claims
- Levothyroxine Sodium22 claims
- Amlodipine Besylate19 claims
- Gabapentin18 claims
- Lisinopril15 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.
Barak Marshall among 7,483 family medicine physician records in Pennsylvania
Barak Marshall, DO is one of 7,483 family medicine physician records with a practice address in Pennsylvania. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 92% of them.
- NPI issued2023 · 92% of these records are older, 5% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2023 · median 2005 among the 4,529 with a school on file
- Record last updated2026 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
29 family medicine physician records list a practice address in Quakertown
They are 29 of the 556 NPPES records with a practice address in Quakertown, and 7,483 family medicine physician records in Pennsylvania.
All 7,483 in Pennsylvania → Every provider in Quakertown → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- James Albrecht, MDQuakertown, PA 189511437198637
- Giovanni Catalano, DOQuakertown, PA 189511306819800
- Melissa Chiarelli, D.O.Quakertown, PA 189511356442826
- Nicholas Dimartino, DOQuakertown, PA 189511003848292
- William Kracht, DOQuakertown, PA 189511336146943
- Paul Lynott, MDQuakertown, PA 189511952334773
- Paul Marion, M.D.Quakertown, PA 189511962407015
- Deborah Ramanathan, MDQuakertown, PA 189511942262720
Common questions
What is Barak Marshall, DO's NPI number?
Barak Marshall, DO's National Provider Identifier (NPI) is 1619667706, issued on May 11, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Barak Marshall, DO located?
The NPPES record lists a practice address at 1021 Park Ave Ste 203, Quakertown, PA, 18951. Phone: (215) 536-7998. Providers update this record themselves, so call before visiting.
How can I verify Barak Marshall, DO's license?
NPPES lists Pennsylvania license number OS025787, 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 Barak Marshall, DO prescribe under Medicare Part D?
In 2024, Barak Marshall, DO had 386 Medicare Part D claims for 44 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.