NAUMAN SIDDIQI MD
NPI 1033381546
Internal Medicine - Cardiovascular Disease in Baltimore, MD
About Nauman Siddiqi Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NAUMAN SIDDIQI MD (NPI 1033381546) is an individual cardiovascular disease provider in Baltimore, Maryland, licensed in Texas (P3076) and active in the NPI registry since March 2008. He is enrolled in Medicare PECOS, is affiliated with Carroll Hospital Center, and is a graduate of Georgetown University School Of Medicine (2005).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 3
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
Nauman Siddiqi Md 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
4Medicare enrollment records show Nauman Siddiqi reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baltimore, MD 21209
- Reassigned Medicare billing, Maryland enrollment
- 317 clinicians in this Medicare group
Shrewsbury, PA 17361
- Reassigned Medicare billing, Pennsylvania enrollment
- 3,080 clinicians in this Medicare group
Washington, DC 20010
- Reassigned Medicare billing, Maryland enrollment
- 184 clinicians in this Medicare group
Ladera Ranch, CA 92694
- Reassigned Medicare billing, California enrollment
- 5 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 8
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Carroll Hospital Center
Acute Care Hospitals · Westminster, MDWellspan York Hospital
Acute Care Hospitals · York, PAGettysburg Hospital
Acute Care Hospitals · Gettysburg, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21209 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 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BALTIMORE, MD 21209
BALTIMORE, MD 21209
BALTIMORE, MD 21209
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 Nauman Siddiqi's NPI number?
The NPI number for Nauman Siddiqi is 1033381546. It was assigned to this individual provider in the NPPES registry on March 25, 2008.
Where is Nauman Siddiqi located?
Nauman Siddiqi practices at 2700 Quarry Lake Dr Ste 240, Baltimore, MD 21209. The listed phone number is (410) 367-2590.
What is Nauman Siddiqi's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Nauman Siddiqi enrolled in Medicare?
Yes. Nauman Siddiqi 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 Nauman Siddiqi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nauman Siddiqi reassigns Medicare benefits to 4 organizations: Lifebridge Community Physicians, Inc. (Baltimore, MD), Wellspan Medical Group (Shrewsbury, PA), Medstar Heart Institute LLC (Washington, DC) and Ccoc, Inc. (Ladera Ranch, CA). 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 Nauman Siddiqi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Nauman Siddiqi affiliated with any hospitals?
According to CMS data, Nauman Siddiqi is affiliated with Carroll Hospital Center, Wellspan York Hospital and Gettysburg Hospital.
When was this NPI record last updated?
The NPPES record for Nauman Siddiqi was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.
# Nauman Siddiqi, MD · NPI 1033381546
Cardiovascular Disease physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since March 25, 2008.
## Identity
- **NPI:** 1033381546 (Entity type: Individual)
- **Enumerated:** March 25, 2008
- **Primary specialty:** Internal Medicine - Cardiovascular Disease · taxonomy 207RC0000X
- **State license:** P3076 (Texas)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2700 QUARRY LAKE DR STE 240, Baltimore, MD 21209-3769
- **Phone:** (410) 367-2590 · **Fax:** (410) 367-2596
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Lifebridge Community Physicians, Inc. (NPI 1154277341, Baltimore, MD); Wellspan Medical Group (NPI 1003229626, Shrewsbury, PA); Medstar Heart Institute LLC (NPI 1528345378, Washington, DC); Ccoc, Inc. (NPI 1285968909, Ladera Ranch, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Georgetown University School Of Medicine, class of 2005
## Record status
- **NPPES last updated:** July 13, 2026
- **Other identifiers:** Medicaid 303083501 (TX); Medicaid 303083502 (TX); Medicaid 303083503 (TX)
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Source: [NPI Profile](https://npiprofile.com/npi/1033381546) · Data from the CMS NPPES public registry.