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ROSS J VANANTWERP D.O., M.P.H.
NPI 1790924512
Internal Medicine in Annapolis, MD

Active since February 18, 2009PECOS Enrolled
1 PARK PLACE STE 325, ANNAPOLIS, MD 21401(410) 995-8550(410) 514-3582 Get Directions Write a Review

NPPES record last updated: October 23, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Ross J Vanantwerp D.o., M.p.h. NPPES

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

ROSS J VANANTWERP D.O., M.P.H. (NPI 1790924512) is an individual internal medicine provider in Annapolis, Maryland, licensed in Maryland (H0033830) and active in the NPI registry since February 2009. He is enrolled in Medicare PECOS, maintains a secondary practice location in Severna Park, and is a graduate of Michigan State University College Of Osteopathic Medicine (1983).

NPPES Registry Identity

NPI1790924512
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameROSS J VANANTWERPCredential: D.O., M.P.H.
Location Address1 PARK PLACE STE 325Annapolis, MD 21401-3475
Mailing Address484 Ritchie Hwy Ste ASeverna Park, MD 21146-2961 · (410) 544-4600 · Fax (410) 544-0997
Phone(410) 995-8550
Fax(410) 514-3582
Sole ProprietorYes
Medical School CMSMichigan State University College Of Osteopathic MedicineGraduated 1983
Enumeration DateFebruary 18, 2009
Last NPPES UpdateOctober 23, 2024
NPPES CertifiedOctober 22, 2024
✔ NPI 1790924512 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MD · H0033830
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1 PARK PLACE STE 325, Annapolis, MD 21401
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Secondary Practice Location 1

Location 1484 Ritchie Hwy Ste ASeverna Park, MD 21146-2961 · Phone (410) 544-4600 · Fax (410) 544-0997

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ross J Vanantwerp D.o., M.p.h. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1557418241
PECOS Enrollment IDI20090415000557
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 Ross Vanantwerp reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Ross Van Antwerp Do Mph PA Laser Center Of Maryland
6.7 mi
Health Service
484 RITCHIE HWY STE A
Severna Park, MD 21146
  • Reassigned Medicare billing, Maryland enrollment
  • 3 clinicians in this Medicare group
NPI 1356537443 (410) 544-4600

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 21401 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
$139.05 typical visit price
range $60.73 – $183.44
Typical copayment $34.76 (range $15.18 – $45.86)
Most-billed visit code 99204
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.

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 Ross Vanantwerp's NPI number?

The NPI number for Ross Vanantwerp is 1790924512. It was assigned to this individual provider in the NPPES registry on February 18, 2009.

Where is Ross Vanantwerp located?

Ross Vanantwerp practices at 1 Park Place Ste 325, Annapolis, MD 21401. The listed phone number is (410) 995-8550.

What is Ross Vanantwerp's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Ross Vanantwerp enrolled in Medicare?

Yes. Ross Vanantwerp is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Ross Vanantwerp's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ross Vanantwerp reassigns Medicare benefits to Ross Van Antwerp Do Mph PA Laser Center Of Maryland (Severna Park, 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 Ross Vanantwerp'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 Ross Vanantwerp was last updated on October 23, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.