Caroline Carlson Johnson, M.D.
Infectious Disease Physician · Philadelphia, PA
Caroline Carlson Johnson, M.D. is an infectious disease physician with a practice address in Philadelphia, Pennsylvania, and NPI 1821474636, issued on Aug 4, 2015. Check the license (Pennsylvania MD035967E, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Caroline Carlson Johnson
- Credential
- M.D.
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- MD035967E PA
Self-reported in NPPES; status is on the state search - Practice location
- 500 S Broad St, Philadelphia, PA 19146
- Phone
- (215) 685-6740
- Enumerated
- Aug 4, 2015
- Record last updated
- Aug 4, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (215) 545-8362
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 545 in Pennsylvania → Look up another NPI →
Also registered at 500 S Broad St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Steven Alles, MDPublic Health & General Preventive Medicine Physician1225409857
- Valerie Bonica, DOFamily Medicine Physician1184885329
- Marcia BowensPharmacy Technician1467675595
- Hattie BrownPharmacy Technician1518063841
- Mark Bur, PSYDClinical Psychologist1326561184
- Sadonna Major, CRNPWomen's Health Nurse Practitioner1477952679
Verify Caroline Carlson Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD035967ECheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Most of these Medicare Part D claims are vaccines, 100% of the cost of the top drugs
40 Medicare Part D claims for 32 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 95% of claims.
Most prescribed
Pharmacies often give vaccines under a standing order that names one clinician, and CMS counts every such claim under that clinician's NPI. These claims are therefore not a measure of this clinician's own prescribing.
- Arexvy19 claims
- Shingrix18 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.
Caroline Carlson Johnson among 545 infectious disease physician records in Pennsylvania
Caroline Carlson Johnson, 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 2015, is newer than 80% of them.
- NPI issued2015 · 80% of these records are older, 17% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2015 · 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
- Felicia Lewis, M.D.Philadelphia, PA 191461871628594
- Bonnie Van Uitert, M.D.Philadelphia, PA 191471891712618
- Ronald Asper, MDPhiladelphia, PA 191481306904941
- James Dean, M.D.Philadelphia, PA 191441972515625
- Antonette Climaco, M.D.Philadelphia, PA 191411497969109
- Robert Fischer, MDPhila, PA 191411508834250
- Mudita Patel, DOPhiladelphia, PA 191411366948515
- Sarah Perloff, D.O.Philadelphia, PA 191411023225869
Common questions
What is Caroline Carlson Johnson, M.D.'s NPI number?
Caroline Carlson Johnson, M.D.'s National Provider Identifier (NPI) is 1821474636, issued on Aug 4, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Caroline Carlson Johnson, M.D. located?
The NPPES record lists a practice address at 500 S Broad St, Philadelphia, PA, 19146. Phone: (215) 685-6740. Providers update this record themselves, so call before visiting.
How can I verify Caroline Carlson Johnson, M.D.'s license?
NPPES lists Pennsylvania license number MD035967E, 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 Caroline Carlson Johnson, M.D. prescribe under Medicare Part D?
In 2024, Caroline Carlson Johnson, M.D. had 40 Medicare Part D claims for 32 beneficiaries; the average among infectious disease physician prescribers was 689. 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.