DR. ANDREW B BLOCK M.D., P.A.
NPI 1912931643
Specialist in Silver Spring, MD
About Dr. Andrew B Block M.d., P.a. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ANDREW B BLOCK M.D., P.A. (NPI 1912931643) is an individual specialist in Silver Spring, Maryland, licensed in Maryland (D0039653) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Temple University School Of Medicine (1987).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 3
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. Andrew B Block M.d., P.a. 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
2Medicare enrollment records show Andrew Block reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Silver Spring, MD 20910
- Reassigned Medicare billing, District of Columbia enrollment
- 234 clinicians in this Medicare group
Fulton, MD 20759
- Reassigned Medicare billing, District of Columbia enrollment
- Medicare enrollment name: Capital Womens Care LLC
- 186 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 5
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.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SILVER SPRING, MD 20902
SILVER SPRING, MD 20902
SILVER SPRING, MD 20902
SILVER SPRING, MD 20902
SILVER SPRING, MD 20902
SILVER SPRING, MD 20902
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 Andrew Block's NPI number?
The NPI number for Andrew Block is 1912931643. It was assigned to this individual provider in the NPPES registry on July 10, 2006.
Where is Andrew Block located?
Andrew Block practices at 2101 Medical Park Dr Ste 200E, Silver Spring, MD 20902. The listed phone number is (301) 468-0073.
What is Andrew Block's specialty?
The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.
Is Andrew Block enrolled in Medicare?
Yes. Andrew Block 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 Andrew Block's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Andrew Block reassigns Medicare benefits to 2 organizations: Professional Services Of Holy Cross (Silver Spring, MD) and Capital Women's Care, L.L.C. (Fulton, 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 Andrew Block'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 Andrew Block was last updated on September 15, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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. Andrew B Block, M.D., P.A. · NPI 1912931643
Specialist provider in Silver Spring, Maryland. Individual provider, active in the CMS NPPES registry since July 10, 2006.
## Identity
- **NPI:** 1912931643 (Entity type: Individual)
- **Enumerated:** July 10, 2006
- **Primary specialty:** Specialist · taxonomy 174400000X
- **State license:** D0039653 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 2101 MEDICAL PARK DR STE 200E, Silver Spring, MD 20902
- **Phone:** (301) 468-0073 · **Fax:** (240) 283-8412
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Professional Services Of Holy Cross (NPI 1487692828, Silver Spring, MD); Capital Women's Care, L.L.C. (NPI 1679534069, Fulton, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Temple University School Of Medicine, class of 1987
## Record status
- **NPPES last updated:** September 15, 2023
- **Other identifiers:** Medicaid 330721200 (MD)
---
Source: [NPI Profile](https://npiprofile.com/npi/1912931643) · Data from the CMS NPPES public registry.