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DR. ROBERT MATTHEW ZIELINSKI MD
NPI 1821617762
Internal Medicine in Baltimore, MD

Active since April 10, 2020PECOS Enrolled
76.58/100
CMS Quality Rating
2401 W BELVEDERE AVE, BALTIMORE, MD 21215(410) 601-0594 Get Directions Write a Review

NPPES record last updated: June 2, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 2, 2023, Apr 10, 2020 (2 updates tracked since 2020).

About Dr. Robert Matthew Zielinski Md NPPES

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

DR. ROBERT MATTHEW ZIELINSKI MD (NPI 1821617762) is an individual internal medicine provider in Baltimore, Maryland, licensed in Maryland (D96758) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, is affiliated with Sinai Hospital Of Baltimore, and maintains a secondary practice location in Charlottesville.

NPPES Registry Identity

NPI1821617762
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. ROBERT MATTHEW ZIELINSKICredential: MD
Location Address2401 W BELVEDERE AVEBaltimore, MD 21215-5216
Mailing Address1215 Lee St, Mail Stop '800744'Charlottesville, VA 22908-0816 · (434) 924-1931 · Fax (434) 243-5770
Phone(410) 601-0594
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateApril 10, 2020
Last NPPES UpdateJune 2, 20232 updates tracked since enumeration
NPPES CertifiedJune 2, 2023
✔ NPI 1821617762 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MD · D96758
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.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
2401 W BELVEDERE AVE, Baltimore, MD 21215
Open in Google Maps ↗

Secondary Practice Location 1

Location 11215 Lee St, Mail Stop '800744'Charlottesville, VA 22908-0816 · Phone (434) 924-1931 · Fax (434) 243-5770

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Robert Matthew Zielinski Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7618393042
PECOS Enrollment IDI20230620002146
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 Robert Zielinski reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Sinai Hospital Of Baltimore Inc
Same address
Surgical Critical Care
2401 W BELVEDERE AVE
Baltimore, MD 21215
  • Reassigned Medicare billing, Maryland enrollment
  • 664 clinicians in this Medicare group
NPI 1043235666 (410) 601-5524

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 5

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
725 services215 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
94 services94 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
59 services38 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
50 services21 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
12 services12 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Sinai Hospital Of Baltimore

Acute Care Hospitals · Baltimore, MD
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210012
Location2401 West Belvedere AvenueBaltimore, MD 21215 · Baltimore City County
Emergency services Birthing friendly

Levindale Hebrew Geriatric Center And Hospital

Acute Care Hospitals · Baltimore, MD
OwnershipVoluntary non-profit - Private
CMS Certification Number210064
Location2434 West Belvedere AvenueBaltimore, MD 21209 · Baltimore City County

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21215 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.

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.

76.58/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality64.56
Promoting Interoperability100
Improvement Activities40
Cost48.54

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.

KRISTEN MARLL
Nurse Anesthetist, Certified Registered
2401 W BELVEDERE AVE
BALTIMORE, MD 21215
Baltimore City (410) 601-5209
ANDREW BRAVE CRNP
Nurse Practitioner (Family)
2401 W BELVEDERE AVE
BALTIMORE, MD 21215
Baltimore City (410) 601-9000
DR. CHRISTIAN KADIRI MD
Internal Medicine
2401 W BELVEDERE AVE
BALTIMORE, MD 21215
Baltimore City (410) 601-0594
SNJEZANA JANKOVIC NP
Nurse Practitioner (Family)
2401 W BELVEDERE AVE
BALTIMORE, MD 21215
Baltimore City (410) 601-9802
ELIZABETH MINH-ANN PHAM MD
Anesthesiology
2401 W BELVEDERE AVE
BALTIMORE, MD 21215
Baltimore City (804) 898-0825
YULANDA BLACKSTON LGPC
Counselor (Professional)
2401 W BELVEDERE AVE
BALTIMORE, MD 21215
Baltimore City (410) 459-3040
DUNCAN MCELFRESH CRNA
Nurse Anesthetist, Certified Registered
2401 W BELVEDERE AVE, ANESTHESIA DEPARTMENT
BALTIMORE, MD 21215
Baltimore City (410) 601-5209
MRS. KERRY SWEENEY MCCARTNEY FNP
Nurse Practitioner (Family)
2401 W BELVEDERE AVE
BALTIMORE, MD 21215
Baltimore City (410) 601-5373

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 Robert Zielinski's NPI number?

The NPI number for Robert Zielinski is 1821617762. It was assigned to this individual provider in the NPPES registry on April 10, 2020.

Where is Robert Zielinski located?

Robert Zielinski practices at 2401 W Belvedere Ave, Baltimore, MD 21215. The listed phone number is (410) 601-0594.

What is Robert Zielinski's specialty?

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

Is Robert Zielinski enrolled in Medicare?

Yes. Robert Zielinski is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Robert Zielinski's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Robert Zielinski reassigns Medicare benefits to Sinai Hospital Of Baltimore Inc (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 Robert Zielinski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Robert Zielinski affiliated with any hospitals?

According to CMS data, Robert Zielinski is affiliated with Sinai Hospital Of Baltimore and Levindale Hebrew Geriatric Center And Hospital.

When was this NPI record last updated?

The NPPES record for Robert Zielinski was last updated on June 2, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.