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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. NIKKI MICHELLE BARRINGTON ZIMMER MD, PHD, MPH
NPI 1790669901
Internal Medicine in Baltimore, MD

Active since August 01, 2025PECOS Enrolled
201 E UNIVERSITY PKWY, BALTIMORE, MD 21218(916) 390-7906 Get Directions Write a Review

NPPES record last updated: September 15, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

Record update history: Sep 15, 2026, Aug 12, 2026 (2 updates tracked since 2026).

About Dr. Nikki Michelle Barrington Zimmer Md, Phd, Mph NPPES

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

DR. NIKKI MICHELLE BARRINGTON ZIMMER MD, PHD, MPH (NPI 1790669901) is an individual internal medicine provider in Baltimore, Maryland, licensed in Maryland (1790669901) and active in the NPI registry since August 2025. She is enrolled in Medicare PECOS and maintains a secondary practice location in Baltimore.

NPPES Registry Identity

NPI1790669901
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. NIKKI MICHELLE BARRINGTON ZIMMERCredential: MD, PHD, MPH
Location Address201 E UNIVERSITY PKWYBaltimore, MD 21218-2829
Mailing Address6007 Winthrope AveBaltimore, MD 21206-2329 · (916) 390-7906
Phone(916) 390-7906
Sole ProprietorYes
Enumeration DateAugust 1, 2025
Last NPPES UpdateSeptember 15, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 15, 2026
✔ NPI 1790669901 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 · 1790669901
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
201 E UNIVERSITY PKWY, Baltimore, MD 21218
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Other Names 1

Professional Name (2)Dr. Nikki Michelle Barrington Md, Phd, Mph

Secondary Practice Location 1

Location 19000 Franklin Square DrBaltimore, MD 21237-3901 · Phone (916) 390-7906

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Nikki Michelle Barrington Zimmer Md, Phd, Mph 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21218 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.

RONAK K PATEL M.D.
Internal Medicine
201 E UNIVERSITY PKWY
BALTIMORE, MD 21218
Baltimore City (410) 554-2000
MRS. LINDSAY NICOLE ROYAL BUSSEY CRNP
Nurse Practitioner (Family)
201 E UNIVERSITY PKWY
BALTIMORE, MD 21218
Baltimore City (855) 633-0199
ISHA SHARAN MD
Student in an Organized Health Care Education/Training Program
201 E UNIVERSITY PKWY
BALTIMORE, MD 21218
Baltimore City (410) 554-2284
DR. MIRIAM L COHEN M.D.
Internal Medicine (Cardiovascular Disease)
201 E UNIVERSITY PKWY
BALTIMORE, MD 21218
Baltimore City (410) 554-2000
TAYYAB AHSAN TANVIR MBBS
Student in an Organized Health Care Education/Training Program
201 E UNIVERSITY PKWY
BALTIMORE, MD 21218
Baltimore City (410) 554-2284
DR. CALVIN THOMAS WILLIAMS JR. M.D. / PH.D
Internal Medicine (Infectious Disease)
201 E UNIVERSITY PKWY, DEPT OF MEDICINE MEDSTAR UNION MEMORIAL HOSPITAL
BALTIMORE, MD 21218
Baltimore City (443) 474-9911
DAMIEN I SEQUEIRA M.D.
Student in an Organized Health Care Education/Training Program
201 E UNIVERSITY PKWY, DEPT. OF SURGERY
BALTIMORE, MD 21218
Baltimore City (410) 554-2782
DAVID AARON WEINER M.D.
Orthopaedic Surgery
201 E UNIVERSITY PKWY, DEPARTMENT OF ORTHOPAEDIC SURGERY
BALTIMORE, MD 21218
Baltimore City (410) 554-2270

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 Nikki Barrington Zimmer's NPI number?

The NPI number for Nikki Barrington Zimmer is 1790669901. It was assigned to this individual provider in the NPPES registry on August 1, 2025. The provider is also known as Dr. Nikki Michelle Barrington MD, Phd, Mph.

Where is Nikki Barrington Zimmer located?

Nikki Barrington Zimmer practices at 201 E University Pkwy, Baltimore, MD 21218. The listed phone number is (916) 390-7906.

What is Nikki Barrington Zimmer's specialty?

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

Is Nikki Barrington Zimmer enrolled in Medicare?

Yes. Nikki Barrington Zimmer is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Nikki Barrington Zimmer was last updated on September 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 days 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.