Geraldine Marie Baer, M.D., PH.D.
Emergency Medicine Physician · Philadelphia, PA
Geraldine Marie Baer, M.D., PH.D. is an emergency medicine physician with a practice address in Philadelphia, Pennsylvania, and NPI 1730356890, issued on May 8, 2008. Check the license (Pennsylvania MD443535, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Geraldine Marie Baer
- Credential
- M.D., PH.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- MD443535 PA
Self-reported in NPPES; status is on the state search - Practice location
- 1020 Sansom St, Philadelphia, PA 19107
- Phone
- (215) 955-6000
- Enumerated
- May 8, 2008
- Record last updated
- Oct 15, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicaid IDs
- 102838264 PA
0360767 NJ - Medicare enrollment
- Enrolled (PECOS I20240201000611); accepts Medicare assignment
- Medical or professional school
- University Of California, Davis School Of Medicine, 2008
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,911 in Pennsylvania → Look up another NPI →
Also registered at 1020 Sansom St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maria Aini, MDEmergency Medicine Physician1598914137
- Laurence Anderson, DOEmergency Medicine Physician1235181892
- Andrew Aronson, MDEmergency Medicine Physician1720080302
- Arthur Au, MDEmergency Medicine Physician1760643829
- Jason Ausmus, PA-CPhysician Assistant1285803171
- Roger Band, MDEmergency Medicine Physician1760439723
Verify Geraldine Marie Baer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD443535Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
30% fewer Medicare Part D claims than the average emergency medicine physician in 2024
158 Medicare Part D claims for 120 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone19 claims
- Azithromycin17 claims
- Cephalexin15 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): 90.1 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).
Bills Medicare through one group practice
- North Country Hospital And Health Center IncNewport, VT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Geraldine Marie Baer among 3,911 emergency medicine physician records in Pennsylvania
Geraldine Marie Baer, M.D., PH.D. is one of 3,911 emergency medicine physician records with a practice address in Pennsylvania. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 38% of them.
- NPI issued2008 · 38% of these records are older, 57% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2008 · median 2013 among the 2,231 with a school on file
- Record last updated2013 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,006 emergency medicine physician records list a practice address in Philadelphia
They are 1,006 of the 42,849 NPPES records with a practice address in Philadelphia, and 3,911 emergency medicine physician records in Pennsylvania.
All 3,911 in Pennsylvania → Every provider in Philadelphia → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Laurence Anderson, DOPhiladelphia, PA 191071235181892
- Andrew Aronson, MDPhiladelphia, PA 191071720080302
- Roger Band, MDPhiladelphia, PA 191071760439723
- Kevin Baumlin, MDPhiladelphia, PA 191071659349603
- David Gaieski, MDPhiladelphia, PA 191071952341976
- Judd Hollander, MDPhiladelphia, PA 191071427098425
- Joel Kravitz, MDPhiladelphia, PA 191071548237589
- Bon Ku, MDPhiladelphia, PA 191071508812835
Common questions
What is Geraldine Marie Baer, M.D., PH.D.'s NPI number?
Geraldine Marie Baer, M.D., PH.D.'s National Provider Identifier (NPI) is 1730356890, issued on May 8, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Geraldine Marie Baer, M.D., PH.D. located?
The NPPES record lists a practice address at 1020 Sansom St, Philadelphia, PA, 19107. Phone: (215) 955-6000. Providers update this record themselves, so call before visiting.
How can I verify Geraldine Marie Baer, M.D., PH.D.'s license?
NPPES lists Pennsylvania license number MD443535, 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 Geraldine Marie Baer, M.D., PH.D. prescribe under Medicare Part D?
In 2024, Geraldine Marie Baer, M.D., PH.D. had 158 Medicare Part D claims for 120 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Geraldine Marie Baer, M.D., PH.D.'s MIPS final score?
The 2023 MIPS final score is 90.1 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.