NPPES file of Aug 9, 2026

Kristin D. Gerson, MD, PHD

Maternal & Fetal Medicine Physician · Philadelphia, PA

Kristin D. Gerson, MD, PHD is a maternal & fetal medicine physician with a practice address in Philadelphia, Pennsylvania, and NPI 1821402470, issued on Jun 11, 2014. Check the license (Pennsylvania MD470789, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1821402470
Name
Kristin D. Gerson
Credential
MD, PHD
Primary taxonomy
Maternal & Fetal Medicine Physician 207VM0101X
License number
MD470789 PA
Self-reported in NPPES; status is on the state search
Practice location
3400 Spruce St, Philadelphia, PA 19104
Phone
(215) 662-2982
Enumerated
Jun 11, 2014
Record last updated
Sep 10, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20210513000342); accepts Medicare assignment
Medical or professional school
University Of Massachusetts Medical School, 2014
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 3400 Spruce St

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

  1. Megan Abbott, CRNPNurse Practitioner1396771689
  2. Michael Abboud, MDEmergency Medicine Physician1962820852
  3. Emily AbdelmessihPediatric Pharmacist1891612560
  4. Mohammed AbdullahStudent in an Organized Health Care Education/Training Program1013595495
  5. Amin Abedini, MDStudent in an Organized Health Care Education/Training Program1912609017
  6. Farid Aboharb, MD, PHDStudent in an Organized Health Care Education/Training Program1295595973

Verify Kristin D. Gerson 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 MD470789
    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

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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.

  1. Qualityout of 100 · 30% of the final score73.6
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. 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).

Kristin D. Gerson among 143 maternal & fetal medicine physician records in Pennsylvania

Kristin D. Gerson, MD, PHD is one of 143 maternal & fetal medicine physician records with a practice address in Pennsylvania. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 80% of them.

  • NPI issued2014 · 80% of these records are older, 15% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2014 · median 2002 among the 99 with a school on file
  • Record last updated2021 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VM0101X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Maternal & Fetal Medicine Physician providers in Pennsylvania

There are 143 maternal & fetal medicine physician records in Pennsylvania.

The 8 maternal & fetal medicine physician records with the nearest ZIP codes

  1. Juliana Gebb, MDPhiladelphia, PA 191041083892376
  2. Adi Hirshberg, MDPhiladelphia, PA 191041063731669
  3. Mark Johnson, M.D.Philadelphia, PA 191041407937576
  4. Nahla Khalek, MDPhiladelphia, PA 191041083756183
  5. Lisa Levine, MDPhiladelphia, PA 191041245558220
  6. Stephanie Mann, MDPhiladelphia, PA 191041497859714
  7. Juan Martinez-Poyer, MDPhiladelphia, PA 191041598748519
  8. Julie Moldenhauer, M.D.Philadelphia, PA 191041710021498

Common questions

What is Kristin D. Gerson, MD, PHD's NPI number?

Kristin D. Gerson, MD, PHD's National Provider Identifier (NPI) is 1821402470, issued on Jun 11, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Kristin D. Gerson, MD, PHD located?

The NPPES record lists a practice address at 3400 Spruce St, Philadelphia, PA, 19104. Phone: (215) 662-2982. Providers update this record themselves, so call before visiting.

How can I verify Kristin D. Gerson, MD, PHD's license?

NPPES lists Pennsylvania license number MD470789, 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.

What is Kristin D. Gerson, MD, PHD'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.