DR. ALEXANDER KAYSIN MD, MPH
NPI 1538459482
Family Medicine in Baltimore, MD
About Dr. Alexander Kaysin Md, Mph NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALEXANDER KAYSIN MD, MPH (NPI 1538459482) is an individual family medicine provider in Baltimore, Maryland, licensed in Maryland (D84702) and active in the NPI registry since April 2011. He is enrolled in Medicare PECOS and is a graduate of Other (2011).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Dr. Alexander Kaysin Md, Mph 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 Alexander Kaysin reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baltimore, MD 21201
- Reassigned Medicare billing, Maryland enrollment
- 85 clinicians in this Medicare group
Columbia, MD 21045
- Reassigned Medicare billing, Maryland enrollment
- 72 clinicians in this Medicare group
Laurel, MD 20707
- Reassigned Medicare billing, District of Columbia enrollment
- 328 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.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21201 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Alexander Kaysin's NPI number?
The NPI number for Alexander Kaysin is 1538459482. It was assigned to this individual provider in the NPPES registry on April 12, 2011.
Where is Alexander Kaysin located?
Alexander Kaysin practices at 29 S Paca St, Baltimore, MD 21201. The listed phone number is (667) 214-1800.
What is Alexander Kaysin's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Alexander Kaysin enrolled in Medicare?
Yes. Alexander Kaysin 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 Alexander Kaysin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Kaysin reassigns Medicare benefits to 3 organizations: University Of Maryland Family Medicine Associates, P.A. (Baltimore, MD), University Of Maryland Faculty Physicians Immediate Care, LLC (Columbia, MD) and Dimensions Healthcare Associates Inc (Laurel, MD). 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 Alexander Kaysin'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 Alexander Kaysin was last updated on July 3, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Dr. Alexander Kaysin, MD, MPH · NPI 1538459482
Family Medicine physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since April 12, 2011.
## Identity
- **NPI:** 1538459482 (Entity type: Individual)
- **Enumerated:** April 12, 2011
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** D84702 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 29 S PACA ST, Baltimore, MD 21201-1771
- **Phone:** (667) 214-1800
## 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 Maryland Family Medicine Associates, P.A. (NPI 1417764010, Baltimore, MD); University Of Maryland Faculty Physicians Immediate Care, LLC (NPI 1972986271, Columbia, MD); Dimensions Healthcare Associates Inc (NPI 1487714168, Laurel, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2011
## Record status
- **NPPES last updated:** July 3, 2020
- **Other identifiers:** Medicaid 1538459482 (NC)
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Source: [NPI Profile](https://npiprofile.com/npi/1538459482) · Data from the CMS NPPES public registry.