Marni J. Falk, M.D.
Clinical Genetics (M.D.) Physician · Philadelphia, PA
Marni J. Falk, M.D. is a clinical genetics (m.d.) physician with a practice address in Philadelphia, Pennsylvania, and NPI 1669574083, issued on Sep 5, 2006. Check the license (Pennsylvania MD429991, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Marni J. Falk
- Credential
- M.D.
- Primary taxonomy
- Clinical Genetics (M.D.) Physician 207SG0201X
- License number
- MD429991 PA
Self-reported in NPPES; status is on the state search - Practice location
- 3401 Civic Center Blvd, Philadelphia, PA 19104
- Phone
- (215) 590-2920
- Enumerated
- Sep 5, 2006
- Record last updated
- Apr 18, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (215) 590-3298
- Medicare enrollment
- Enrolled (PECOS I20061020000146); accepts Medicare assignment
- Medical or professional school
- George Washington University School Of Medicine, 2000
- Entity
- Type 1 · individual
8 nearest clinical genetics (m.d.) physician records → All 48 in Pennsylvania → Look up another NPI →
Also registered at 3401 Civic Center Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Arlene Abelard-Daniel, CRNPPediatric Nurse Practitioner1639599764
- Margarita Abella, MDPediatrics Physician1609338300
- Nicholas Abend, MDNeurology with Special Qualifications in Child Neurology Physician1679638969
Verify Marni J. Falk in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD429991Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
39% fewer Medicare Part D claims than the average clinical genetics (m.d.) physician in 2024
36 Medicare Part D claims, against an average of 59 among the 193 providers of this specialty who prescribed in Part D.
Most prescribed
- Leucovorin Calcium34 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.
Bills Medicare through one group practice
- Childrens Health Care Associates IncPhiladelphia, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marni J. Falk among 48 clinical genetics (m.d.) physician records in Pennsylvania
Marni J. Falk, M.D. is one of 48 clinical genetics (m.d.) physician records with a practice address in Pennsylvania. 58% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 52% newer
- In a Medicare fileYes · 58% of these records are
- In the CMS Doctors and Clinicians fileYes · 46% of these records are
- Graduated2000 · median 2000 among the 22 with a school on file
- Record last updated2013 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207SG0201X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Clinical Genetics (M.D.) Physician providers in Pennsylvania
There are 48 clinical genetics (m.d.) physician records in Pennsylvania.
All 48 in Pennsylvania → Every provider in Philadelphia → Clinical Genetics (M.D.) Physician nationwide →
The 8 clinical genetics (m.d.) physician records with the nearest ZIP codes
- Lorraine Dugoff, MDPhiladelphia, PA 191041720181662
- Can Ficicioglu, M.D.Philadelphia, PA 191041114949617
- Jennifer Kalish, M.D.Philadelphia, PA 191041285831669
- Paige Kaplan, MDPhiladelphia, PA 191041750326377
- Ian Krantz, M.D.Philadelphia, PA 191041306860325
- Jeffrey Ming, MDPhiladelphia, PA 191041174542617
- Katherine Nathanson, MDPhiladelphia, PA 191041841226024
- Reed Pyeritz, MDPhiladelphia, PA 191041669401170
Common questions
What is Marni J. Falk, M.D.'s NPI number?
Marni J. Falk, M.D.'s National Provider Identifier (NPI) is 1669574083, issued on Sep 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marni J. Falk, M.D. located?
The NPPES record lists a practice address at 3401 Civic Center Blvd, Philadelphia, PA, 19104. Phone: (215) 590-2920. Providers update this record themselves, so call before visiting.
How can I verify Marni J. Falk, M.D.'s license?
NPPES lists Pennsylvania license number MD429991, 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 Marni J. Falk, M.D. prescribe under Medicare Part D?
In 2024, Marni J. Falk, M.D. had 36 Medicare Part D claims; the average among clinical genetics (m.d.) physician prescribers was 59. 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.