ALISON J FALCK MD
NPI 1639110067
Pediatrics - Neonatal-Perinatal Medicine in Baltimore, MD
About Alison J Falck Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALISON J FALCK MD (NPI 1639110067) is an individual neonatal-perinatal medicine provider in Baltimore, Maryland, licensed in Maryland (D61011) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS and is a graduate of George Washington University School Of Medicine (1996).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Alison J Falck Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Alison Falck reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 1,159 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BALTIMORE, MD 21201
BALTIMORE, MD 21201
BALTIMORE, MD 21201
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Alison Falck's NPI number?
The NPI number for Alison Falck is 1639110067. It was assigned to this individual provider in the NPPES registry on June 9, 2006.
Where is Alison Falck located?
Alison Falck practices at 22 S Greene St, Baltimore, MD 21201. The listed phone number is (410) 328-6749.
What is Alison Falck's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.
Is Alison Falck enrolled in Medicare?
Yes. Alison Falck is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Alison Falck's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alison Falck reassigns Medicare benefits to 3 organizations: University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA) and Ucsf Pediatrics Associates (San Francisco, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Alison Falck's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Alison Falck was last updated on August 16, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Alison J Falck, MD · NPI 1639110067
Neonatal-Perinatal Medicine physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since June 9, 2006.
## Identity
- **NPI:** 1639110067 (Entity type: Individual)
- **Enumerated:** June 9, 2006
- **Primary specialty:** Pediatrics - Neonatal-Perinatal Medicine · taxonomy 2080N0001X
- **State license:** D61011 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 22 S GREENE ST, Baltimore, MD 21201-1544
- **Phone:** (410) 328-6749 · **Fax:** (410) 328-6136
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA); Ucsf Pediatrics Associates (NPI 1376614016, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** George Washington University School Of Medicine, class of 1996
## Record status
- **NPPES last updated:** August 16, 2013
- **Other identifiers:** Medicare PIN I136 (MD); Medicaid 433060901 (MD); Medicare UPIN P64367
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Source: [NPI Profile](https://npiprofile.com/npi/1639110067) · Data from the CMS NPPES public registry.