NPPES file of Aug 9, 2026

Gerri Baer, MD

Neonatal-Perinatal Medicine Physician · Philadelphia, PA

Gerri Baer, MD is a neonatal-perinatal medicine physician with a practice address in Philadelphia, Pennsylvania, and NPI 1154539856, issued on May 18, 2007. Check the license (Pennsylvania MD421385, as entered in NPPES) on the Pennsylvania Department of State (PALS); the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1154539856
Name
Gerri Baer
Credential
MD
Primary taxonomy
Neonatal-Perinatal Medicine Physician 2080N0001X
License number
MD421385 PA
Self-reported in NPPES; status is on the state search
Practice location
800 Spruce St, Philadelphia, PA 19107
Phone
(215) 829-3191
Enumerated
May 18, 2007
Record last updated
Sep 11, 2025
Fax
(215) 829-7211
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest neonatal-perinatal medicine physician records → All 393 in Pennsylvania → Look up another NPI →

Also registered at 800 Spruce St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ahmad Abdalla, MDInternal Medicine Physician1730981127
  2. Annabelle Abdo, DOObstetrics & Gynecology Physician1518583665
  3. Omar AbdounStudent in an Organized Health Care Education/Training Program1669260279
  4. Monica Aber, CRNPAcute Care Nurse Practitioner1922876820
  5. Jennifer Acquaviva, MPTSpecialist1346366820
  6. Sarah Adams, DOStudent in an Organized Health Care Education/Training Program1184327108

Verify Gerri Baer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license MD421385    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Pennsylvania license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Gerri Baer among 393 neonatal-perinatal medicine physician records in Pennsylvania

Gerri Baer, MD is one of 393 neonatal-perinatal medicine physician records with a practice address in Pennsylvania. 11% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 42% of them.

  • NPI issued2007 · 42% of these records are older, 44% newer
  • In a Medicare fileNo · 11% of these records are
  • In the CMS Doctors and Clinicians fileNo · 6% of these records are
  • Record last updated2025 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080N0001X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neonatal-Perinatal Medicine Physician providers in Pennsylvania

There are 393 neonatal-perinatal medicine physician records in Pennsylvania. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 393 in Pennsylvania → Every provider in Philadelphia → Neonatal-Perinatal Medicine Physician nationwide →

The 8 neonatal-perinatal medicine physician records with the nearest ZIP codes

  1. Susan Adeniyi-Jones, MDPhiladelphia, PA 191071497830590
  2. Shobhana Desai, MDPhiladelphia, PA 191071841350949
  3. Samuel Garber, MDPhiladelphia, PA 191071497784904
  4. Jeffrey Gerdes, MDPhiladelphia, PA 191071942246798
  5. Jay Greenspan, MDPhiladelphia, PA 191071639234594
  6. Michael Kornhauser, M.D.Philadelphia, PA 191071164635496
  7. Janet Larson, MDPhiladelphia, PA 191071205876356
  8. Naomi Lauriello, M.D.Philadelphia, PA 191071275586141

Common questions

What is Gerri Baer, MD's NPI number?

Gerri Baer, MD's National Provider Identifier (NPI) is 1154539856, issued on May 18, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Gerri Baer, MD located?

The NPPES record lists a practice address at 800 Spruce St, Philadelphia, PA, 19107. Phone: (215) 829-3191. Providers update this record themselves, so call before visiting.

How can I verify Gerri Baer, MD's license?

NPPES lists Pennsylvania license number MD421385, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.