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MICHAEL HOLDSWORTH M.D.
NPI 1184990095
Emergency Medicine in Baltimore, MD

Active since March 25, 2012PECOS EnrolledAccepts Medicare Assignment
110 S PACA ST, 6TH FLOOR, SUITE 200, BALTIMORE, MD 21201(410) 328-8025(410) 328-8028 Get Directions Write a Review

NPPES record last updated: May 29, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 29, 2021, Oct 19, 2017 (2 updates tracked since 2017).

About Michael Holdsworth M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MICHAEL HOLDSWORTH M.D. (NPI 1184990095) is an individual emergency medicine provider in Baltimore, Maryland, licensed in Maryland (D83243) and active in the NPI registry since March 2012. He is enrolled in Medicare PECOS and is a graduate of Emory University School Of Medicine (2012).

NPPES Registry Identity

NPI1184990095
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameMICHAEL HOLDSWORTHCredential: M.D.
Location Address110 S PACA ST, 6TH FLOOR, SUITE 200Baltimore, MD 21201-1642
Mailing Address110 S Paca St, 6th Floor, Suite 200Baltimore, MD 21201-1642 · (410) 328-8025 · Fax (410) 328-8028
Phone(410) 328-8025
Fax(410) 328-8028
Sole ProprietorNo
Medical School CMSEmory University School Of MedicineGraduated 2012
Enumeration DateMarch 25, 2012
Last NPPES UpdateMay 29, 20212 updates tracked since enumeration
NPPES CertifiedMay 29, 2021
✔ NPI 1184990095 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in MD · D83243
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
110 S PACA ST, Baltimore, MD 21201
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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

Michael Holdsworth M.d. 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.

PECOS PAC ID5395014476
PECOS Enrollment IDI20170705002041, I20240110002518
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Michael Holdsworth reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc
3.4 mi
Ambulatory Surgical
1701 TWIN SPRINGS RD
Halethorpe, MD 21227
NPI 1942546486 (301) 816-2424

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

New Patient
$94.08 typical visit price
range $60.73 – $183.44
Typical copayment $23.52 (range $15.18 – $45.86)
Most-billed visit code 99203
Established Patient
$106.59 typical visit price
range $19.60 – $149.17
Typical copayment $26.64 (range $4.90 – $37.29)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

DR. JASJIT B ATWAL M.D.
Anesthesiology
110 S PACA ST, SUITE 300 6TH FL
BALTIMORE, MD 21201
Baltimore City (410) 328-6720
SIAMAK MOAYEDI M.D.
Emergency Medicine
110 S PACA ST, SIXTH FLOOR, SUITE 200
BALTIMORE, MD 21201
Baltimore City (410) 328-8025
JUDY PAN MD
Otolaryngology (Plastic Surgery within the Head & Neck)
110 S PACA ST
BALTIMORE, MD 21201
Baltimore City (410) 328-3058
JOHNS HOPKINS COMMUNITY PHYSICIANS, INC
Internal Medicine
110 S PACA ST
BALTIMORE, MD 21201
Baltimore City (410) 955-5000
DR. ILEANA GHEORGHIU M.D.
Anesthesiology
110 S PACA ST, SUITE 300 6TH FL
BALTIMORE, MD 21201
Baltimore City (410) 328-6720
MAELEE GRACE WILLIAMSON MD
Student in an Organized Health Care Education/Training Program
110 S PACA ST, 6TH FLOOR, SUITE 200
BALTIMORE, MD 21201
Baltimore City (667) 214-2208
DR. SHOBANA BHARADWAJ M.D.
Anesthesiology
110 S PACA ST, SUITE 300 6TH FL
BALTIMORE, MD 21201
Baltimore City (410) 328-6720
DR. SEEMA P. DESHPANDE MBBS
Anesthesiology
110 S PACA ST, SUITE 300, 6TH FLOOR
BALTIMORE, MD 21201
Baltimore City (410) 328-6331

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 Michael Holdsworth's NPI number?

The NPI number for Michael Holdsworth is 1184990095. It was assigned to this individual provider in the NPPES registry on March 25, 2012.

Where is Michael Holdsworth located?

Michael Holdsworth practices at 110 S Paca St 6th Floor, Suite 200, Baltimore, MD 21201. The listed phone number is (410) 328-8025.

What is Michael Holdsworth's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Michael Holdsworth enrolled in Medicare?

Yes. Michael Holdsworth 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 organization bills Medicare for Michael Holdsworth's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Holdsworth reassigns Medicare benefits to Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (Halethorpe, 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 Michael Holdsworth'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 Michael Holdsworth was last updated on May 29, 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.