Katharine J. Bar, M.D.
Infectious Disease Physician · Philadelphia, PA
Katharine J. Bar, M.D. is an infectious disease physician with a practice address in Philadelphia, Pennsylvania, and NPI 1942337670, issued on Feb 28, 2007. Check the license (Pennsylvania MD443933, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Katharine J. Bar
- Credential
- M.D.
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License numbers
- MD443933 PA
27408 AL
Self-reported in NPPES; status is on the state search - Practice location
- 3400 Spruce Street, Philadelphia, PA 19104
- Phone
- (215) 662-6932
- Enumerated
- Feb 28, 2007
- Record last updated
- Oct 31, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (205) 934-5155
- Medicare enrollment
- Enrolled (PECOS I20120123000551); accepts Medicare assignment
- Medical or professional school
- University Of Iowa, Rj & L Carver College Of Medicine, 2002
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 545 in Pennsylvania → Look up another NPI →
Also registered at 3400 Spruce Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Sarah Abdulla, MDVascular & Interventional Radiology Physician1427342336
- Alice Abernathy, MDObstetrics & Gynecology Physician1740711498
- Mariam Aboian, M.D., PH.D.Diagnostic Radiology Physician1356669386
- Samir Abu Gazala, M.D.Surgery Physician1750708251
Verify Katharine J. Bar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD443933Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% fewer Medicare Part D claims than the average infectious disease physician in 2024
587 Medicare Part D claims for 33 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 40% of claims. 24 claims were for opioids.
Most prescribed
- Triumeq59 claims
- Biktarvy50 claims
- Amlodipine Besylate39 claims
- Genvoya30 claims
- Atorvastatin Calcium28 claims
- Valacyclovir25 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): 85.5 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: $8,162.34
11 payments; by number, the most common kind was food and beverage; the largest payer was ViiV Healthcare Company. The 3,895 providers of this specialty with any payment received $4,362.19 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
- University OF Penn - Medical GroupPhiladelphia, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katharine J. Bar among 545 infectious disease physician records in Pennsylvania
Katharine J. Bar, M.D. is one of 545 infectious disease physician records with a practice address in Pennsylvania. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 48% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2002 · median 2005 among the 381 with a school on file
- Record last updated2011 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in Pennsylvania
There are 545 infectious disease physician records in Pennsylvania.
All 545 in Pennsylvania → Every provider in Philadelphia → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Gregory Bisson, MDPhiladelphia, PA 191041780614776
- Emily Blumberg, MDPhiladelphia, PA 191041043247935
- Paul Edelstein, MDPhiladelphia, PA 191041659314441
- Leanne Gasink, MDPhiladelphia, PA 191041649206343
- Stephen Gluckman, MDPhiladelphia, PA 191041932136850
- Helen Koenig, MDPhiladelphia, PA 191041558309104
- Vincent Lore, MDPhiladelphia, PA 191041154357853
- Richard Maniglia, MDPhiladelphia, PA 191041548299076
Common questions
What is Katharine J. Bar, M.D.'s NPI number?
Katharine J. Bar, M.D.'s National Provider Identifier (NPI) is 1942337670, issued on Feb 28, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Katharine J. Bar, M.D. located?
The NPPES record lists a practice address at 3400 Spruce Street, Philadelphia, PA, 19104. Phone: (215) 662-6932. Providers update this record themselves, so call before visiting.
How can I verify Katharine J. Bar, M.D.'s license?
NPPES lists Pennsylvania license number MD443933, 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 Katharine J. Bar, M.D. prescribe under Medicare Part D?
In 2024, Katharine J. Bar, M.D. had 587 Medicare Part D claims for 33 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.
What is Katharine J. Bar, M.D.'s MIPS final score?
The 2023 MIPS final score is 85.5 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.