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CYDNEY NGUYEN MD
NPI 1710515671
Internal Medicine in Baltimore, MD

Active since March 27, 2020PECOS Enrolled
22 S GREENE ST RM N3E09, BALTIMORE, MD 21201(410) 328-6110 Get Directions Write a Review

NPPES record last updated: December 5, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 5, 2023, Mar 27, 2020 (2 updates tracked since 2020).

About Cydney Nguyen Md NPPES

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

CYDNEY NGUYEN MD (NPI 1710515671) is an individual internal medicine provider in Baltimore, Maryland, licensed in Maryland (D0096785) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1710515671
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameCYDNEY NGUYENCredential: MD
Location Address22 S GREENE ST RM N3E09Baltimore, MD 21201-1544
Mailing Address22 S Greene St Rm N3e09Baltimore, MD 21201-1544 · (410) 328-6110
Phone(410) 328-6110
Sole ProprietorNo
Enumeration DateMarch 27, 2020
Last NPPES UpdateDecember 5, 20232 updates tracked since enumeration
NPPES CertifiedDecember 5, 2023
✔ NPI 1710515671 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 · D0096785
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.
22 S GREENE ST RM N3E09, 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 (PECOS)

Cydney Nguyen Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignments

2

Medicare enrollment records show Cydney Nguyen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

St Paul Place Specialists, Inc.
0.7 mi
Hematology & Oncology
227 SAINT PAUL PLACE, 4TH FLOOR
Baltimore, MD 21202
  • Reassigned Medicare billing, Maryland enrollment
  • 423 clinicians in this Medicare group
NPI 1174564736 (410) 783-5858
Maryland Family Care, Inc.
0.7 mi
Family Medicine
301 SAINT PAUL PL, 12TH FLOOR MCAULEY TOWER
Baltimore, MD 21202
  • Reassigned Medicare billing, Maryland enrollment
  • 257 clinicians in this Medicare group
NPI 1598718256 (410) 500-5500

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
$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.

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. KATHERINE MICHAELA PANAGOS MD
Student in an Organized Health Care Education/Training Program
22 S GREENE ST RM N3E09
BALTIMORE, MD 21201
Baltimore City (410) 328-6110
RENUKA MEENU RAMCHANDRAN MD
Student in an Organized Health Care Education/Training Program
22 S GREENE ST RM N3E09
BALTIMORE, MD 21201
Baltimore City (410) 328-6110
MEGAN BURIN
Student in an Organized Health Care Education/Training Program
22 S GREENE ST RM N3E09
BALTIMORE, MD 21201
Baltimore City (410) 328-6110
ROHAN SINGH MD
Student in an Organized Health Care Education/Training Program
22 S GREENE ST RM N3E09
BALTIMORE, MD 21201
Baltimore City (410) 328-6110
ETHAN KOTLOFF MD
Student in an Organized Health Care Education/Training Program
22 S GREENE ST RM N3E09
BALTIMORE, MD 21201
Baltimore City (410) 328-6110
NIDHI ELSA MATHEW MD
Student in an Organized Health Care Education/Training Program
22 S GREENE ST RM N3E09
BALTIMORE, MD 21201
Baltimore City (410) 328-6610
ROHAN SHARMA MD
Student in an Organized Health Care Education/Training Program
22 S GREENE ST RM N3E09
BALTIMORE, MD 21201
Baltimore City (410) 328-6110
MADISON LAMBERT CHILDRESS MD
Student in an Organized Health Care Education/Training Program
22 S GREENE ST RM N3E09
BALTIMORE, MD 21201
Baltimore City (410) 328-6110

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 Cydney Nguyen's NPI number?

The NPI number for Cydney Nguyen is 1710515671. It was assigned to this individual provider in the NPPES registry on March 27, 2020.

Where is Cydney Nguyen located?

Cydney Nguyen practices at 22 S Greene St Rm N3e09, Baltimore, MD 21201. The listed phone number is (410) 328-6110.

What is Cydney Nguyen's specialty?

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

Is Cydney Nguyen enrolled in Medicare?

Yes. Cydney Nguyen is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Cydney Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Cydney Nguyen reassigns Medicare benefits to 2 organizations: St Paul Place Specialists, Inc. (Baltimore, MD) and Maryland Family Care, Inc. (Baltimore, MD). 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 Cydney Nguyen'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 Cydney Nguyen was last updated on December 5, 2023. 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.