WILLIAM J POLK MD
NPI 1598809543
Psychiatry & Neurology - Psychiatry in Chevy Chase, MD
About William J Polk Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM J POLK MD (NPI 1598809543) is an individual psychiatry provider in Chevy Chase, Maryland, licensed in Maryland (D0009932) and active in the NPI registry since February 2007. He has opted out of Medicare through January 1, 2028 and remains eligible to order and refer.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Opted out of Medicare
William J Polk Md has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from January 1, 2014 through January 1, 2028.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20815 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.
CHEVY CHASE, MD 20815
CHEVY CHASE, MD 20815
CHEVY CHASE, MD 20815
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 William Polk's NPI number?
The NPI number for William Polk is 1598809543. It was assigned to this individual provider in the NPPES registry on February 15, 2007.
Where is William Polk located?
William Polk practices at 5480 Wisconsin Ave Suite 421, Chevy Chase, MD 20815. The listed phone number is (301) 656-6446.
What is William Polk's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is William Polk enrolled in Medicare?
No. William Polk has opted out of Medicare through January 1, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.
When was this NPI record last updated?
The NPPES record for William Polk was last updated on May 5, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# William J Polk, MD · NPI 1598809543
Psychiatry physician in Chevy Chase, Maryland. Individual provider, active in the CMS NPPES registry since February 15, 2007.
## Identity
- **NPI:** 1598809543 (Entity type: Individual)
- **Enumerated:** February 15, 2007
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **State license:** D0009932 (Maryland)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 5480 WISCONSIN AVE, SUITE 421, Chevy Chase, MD 20815-3530
- **Phone:** (301) 656-6446 · **Fax:** (301) 215-7615
## Medicare
- **Medicare:** Opted out of Medicare (opt-out affidavit on file, in effect through January 1, 2028); services are provided under private contract
## Record status
- **NPPES last updated:** May 5, 2010
- **Other identifiers:** Medicare UPIN C62249 (MD); Medicare PIN 173226 (DC)
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Source: [NPI Profile](https://npiprofile.com/npi/1598809543) · Data from the CMS NPPES public registry.