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RHEUMATOLOGY ASSOCIATES OF BALTIMORE LLC
NPI 1801829932
Internal Medicine - Rheumatology in Baltimore, MD

Active since July 09, 2006CLIA 21D0929322 · Certificate of Compliance
1220B E JOPPA RD STE 324, BALTIMORE, MD 21286(410) 494-1888(410) 494-1008 Get Directions Write a Review

NPPES record last updated: September 29, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jun 25, 2025, Aug 22, 2020 (2 updates tracked since 2020).

About Rheumatology Associates Of Baltimore Llc NPPES

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

RHEUMATOLOGY ASSOCIATES OF BALTIMORE LLC (NPI 1801829932) is a healthcare organization registered as a rheumatology in Baltimore, Maryland and active in the NPI registry since July 2006. The organization holds a CLIA Certificate of Compliance certificate valid through November 25, 2027, maintains a secondary practice location in Baltimore, and lists Robyn Lynn Hill, Administrator, as its authorized official.

NPPES Registry Identity

NPI1801829932
Entity TypeOrganization
Primary Taxonomy207RR0500X
Legal Business NameRHEUMATOLOGY ASSOCIATES OF BALTIMORE LLC
Location Address1220B E JOPPA RD STE 324Baltimore, MD 21286-5823
Mailing Address1220b E Joppa Rd Ste 324Baltimore, MD 21286-5823 · (410) 494-1888 · Fax (410) 494-1008
Phone(410) 494-1888
Fax(410) 494-1008
Organization SubpartNo
Authorized OfficialRobyn Lynn HillAdministrator · (410) 494-1888
Enumeration DateJuly 9, 2006
Last NPPES UpdateSeptember 29, 20252 updates tracked since enumeration
NPPES CertifiedSeptember 29, 2025
✔ NPI 1801829932 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code207RR0500X
Definition
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
1220B E JOPPA RD STE 324, Baltimore, MD 21286
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Secondary Practice Location 1

Location 11220B E Joppa Rd, Suite 310Baltimore, MD 21286-5813 · Phone (410) 494-1888 · Fax (410) 494-1008

Other Identifiers 12

Other2703393MD · Aetna Hmo
OtherCJ7032MD · Railroad Medicare
OtherF597MD · Blueshield Federal Progra
OtherKAX8RHMD · Carefirst Bcbs Md Group
Other3200015MD · United Hc Midatlantic
Other40895MD · Mamsi (all Plans)
Other804641MD · Employee Hlth Plan
Other7109318MD · Aetna Ppo/mgd Care
Other2468MD · Elderhealth Hmo
OtherF597MD · Carefirst Bcbs Nca Group#
Other4710055008MD · Cigna
Medicaid787501100MD

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Rheumatology Associates Of Baltimore Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

11

Medicare enrollment records show 11 clinicians reassign Medicare billing to Rheumatology Associates Of Baltimore LLC, which bills Medicare for the services they deliver. Of these, 3 practice at this address and 9 within 10 miles. They are listed nearest first.

Clinicians by Medicare Specialty 2

Rheumatology6
Nurse Practitioner5

Clinicians, nearest first (11)

Odilia Jator, NP
Nurse Practitioner
NPI 1922962885
1220B E JOPPA RD STE 324
Towson, MD 21286
(410) 494-1888
✔ PECOSSame address
Mary Mulford, CRNP
Nurse Practitioner
NPI 1609880749
1220B E JOPPA RD STE 324
Baltimore, MD 21286
(410) 494-1888
✔ PECOS✔ Accepts MedicareSame address
Ziga Vodusek, MD
Rheumatology
NPI 1619504628
1220B E JOPPA RD STE 324
Towson, MD 21286
(410) 494-1888
✔ PECOS✔ Accepts MedicareSame address
Sam Serafi, M.D.
Rheumatology
NPI 1538427588
1220B E JOPPA RD STE 310
Baltimore, MD 21286
(410) 494-1888
✔ PECOS✔ Accepts Medicare0.1 mi
Laura Becker, CRNP
Nurse Practitioner
NPI 1417403494
1220B E JOPPA RD SUITE 310
Baltimore, MD 21286
(410) 494-1888
✔ PECOS✔ Accepts Medicare0.1 mi
Howard Hauptman, M.D.
Rheumatology
NPI 1861461220
1220B E JOPPA RD SUITE 310
Baltimore, MD 21286
(410) 494-1888
✔ PECOS✔ Accepts Medicare0.1 mi
Pamela Lentz, CRNP
Nurse Practitioner
NPI 1932181534
1220B E JOPPA RD SUITE 310
Baltimore, MD 21286
(410) 494-1888
✔ PECOS0.1 mi
Tazeen Rehman, M.D.
Rheumatology
NPI 1427241132
1220B E JOPPA RD SUITE 310
Baltimore, MD 21286
(410) 494-1888
✔ PECOS✔ Accepts Medicare0.1 mi
Amanda Auerbach, MD
Rheumatology
NPI 1245790187
1220B E JOPPA RD STE 324
Baltimore, MD 21286
(410) 494-1888
✔ PECOS✔ Accepts Medicare0.5 mi
Seema Patel, MD
Rheumatology
NPI 1851525729
11958 W BROAD ST
Henrico, VA 23233
(804) 360-4669
✔ PECOS✔ Accepts Medicare133 mi
Annabel Wallace, NP
Nurse Practitioner
NPI 1063973840
200 15TH AVE E
Seattle, WA 98112
(206) 326-3530
✔ PECOS2,331 mi

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

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Compliance 21D0929322

Rheumatology Associates Of Balto LLC · Baltimore, MD
Active · expires Nov 25, 2027
CLIA Number21D0929322
Laboratory TypePhysician Office
Certificate Effective DateNovember 26, 2025
Certificate Expiration DateNovember 25, 2027
Laboratory DirectorHoward W. Hauptman MD
Laboratory Phone(410) 494-1888
Laboratory LocationRheumatology Associates Of Balto LLC1220B East Joppa Rd #324, Baltimore, MD 21286
CLIA data matches this NPI record on: Address Phone
This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

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 Rheumatology Associates Of Baltimore LLC's NPI number?

The NPI number for Rheumatology Associates Of Baltimore LLC is 1801829932. It was assigned to this organization in the NPPES registry on July 9, 2006.

Where is Rheumatology Associates Of Baltimore LLC located?

Rheumatology Associates Of Baltimore LLC is located at 1220B E Joppa Rd Ste 324, Baltimore, MD 21286. The listed phone number is (410) 494-1888.

What is Rheumatology Associates Of Baltimore LLC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is Rheumatology Associates Of Baltimore LLC enrolled in Medicare?

Yes. Rheumatology Associates Of Baltimore LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Rheumatology Associates Of Baltimore LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 11 clinicians in 2 Medicare specialties reassign their Medicare billing to Rheumatology Associates Of Baltimore LLC. A 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 the clinician's services. The largest specialties are Rheumatology (6) and Nurse Practitioner (5). Of these, 3 practice at this address and 9 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Rheumatology Associates Of Baltimore LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Compliance (number 21D0929322) is associated with this NPI, valid through November 25, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Rheumatology Associates Of Baltimore LLC was last updated on September 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.