DR. WILLIAM ADAM WERBEL M.D.
NPI 1871936997
Internal Medicine - Infectious Disease in Baltimore, MD
About Dr. William Adam Werbel M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WILLIAM ADAM WERBEL M.D. (NPI 1871936997) is an individual infectious disease provider in Baltimore, Maryland, licensed in Maryland (D92014) and active in the NPI registry since April 2013. He is enrolled in Medicare PECOS, is affiliated with Johns Hopkins Hospital, The, and is a graduate of University Of Michigan Medical School (2013).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. William Adam Werbel M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show William Werbel reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Baltimore, MD 21287
- Reassigned Medicare billing, Maryland enrollment
- 4,483 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 4
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Johns Hopkins Hospital, The
Acute Care Hospitals · Baltimore, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21205 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Werbel's NPI number?
The NPI number for William Werbel is 1871936997. It was assigned to this individual provider in the NPPES registry on April 8, 2013.
Where is William Werbel located?
William Werbel practices at 725 N Wolfe St, Baltimore, MD 21205. The listed phone number is (443) 287-4800.
What is William Werbel's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is William Werbel enrolled in Medicare?
Yes. William Werbel is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for William Werbel's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Werbel reassigns Medicare benefits to Johns Hopkins University (Baltimore, MD). The 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 William Werbel's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Werbel accept?
Health plans from Taro Health list William Werbel as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is William Werbel affiliated with any hospitals?
According to CMS data, William Werbel is affiliated with Johns Hopkins Hospital, The.
When was this NPI record last updated?
The NPPES record for William Werbel was last updated on July 27, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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. William Adam Werbel, M.D. · NPI 1871936997
Infectious Disease physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since April 8, 2013.
## Identity
- **NPI:** 1871936997 (Entity type: Individual)
- **Enumerated:** April 8, 2013
- **Primary specialty:** Internal Medicine - Infectious Disease · taxonomy 207RI0200X
- **State license:** D92014 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 725 N WOLFE ST, Baltimore, MD 21205-2105
- **Phone:** (443) 287-4800
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Johns Hopkins University (NPI 1023018413, Baltimore, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Michigan Medical School, class of 2013
## Record status
- **NPPES last updated:** July 27, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1871936997) · Data from the CMS NPPES public registry.