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DR. MARYSSA MARY CATHERINE MILLER MD
NPI 1881338853
Internal Medicine in Washington, DC

Active since April 25, 2022PECOS Enrolled
3301 NEW MEXICO AVE NW STE 336, WASHINGTON, DC 20016(202) 362-4467(202) 793-5447 Get Directions Write a Review

NPPES record last updated: September 7, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Sep 7, 2025, Apr 25, 2022 (2 updates tracked since 2022).

About Dr. Maryssa Mary Catherine Miller Md NPPES

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

DR. MARYSSA MARY CATHERINE MILLER MD (NPI 1881338853) is an individual internal medicine provider in Washington, District Of Columbia, licensed in District Of Columbia (MD500002778) and active in the NPI registry since April 2022. She is enrolled in Medicare PECOS and is a graduate of Michigan State University College Of Human Medicine (2022).

NPPES Registry Identity

NPI1881338853
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. MARYSSA MARY CATHERINE MILLERCredential: MD
Location Address3301 NEW MEXICO AVE NW STE 336Washington, DC 20016-3612
Mailing Address3301 New Mexico Ave Nw Ste 336Washington, DC 20016-3612 · (202) 362-4467 · Fax (202) 793-5447
Phone(202) 362-4467
Fax(202) 793-5447
Sole ProprietorYes
Medical School CMSMichigan State University College Of Human MedicineGraduated 2022
Enumeration DateApril 25, 2022
Last NPPES UpdateSeptember 7, 20252 updates tracked since enumeration
NPPES CertifiedSeptember 7, 2025
✔ NPI 1881338853 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in DC · MD500002778
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.
3301 NEW MEXICO AVE NW STE 336, Washington, DC 20016
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Other Names 1

Former Name (1)Maryssa Mary Catherine Gilbert

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Maryssa Mary Catherine Miller Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8628452539
PECOS Enrollment IDI20260708004639
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 20016 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
$147.85 typical visit price
range $65.18 – $194.86
Typical copayment $36.96 (range $16.29 – $48.71)
Most-billed visit code 99204
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
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 Maryssa Miller's NPI number?

The NPI number for Maryssa Miller is 1881338853. It was assigned to this individual provider in the NPPES registry on April 25, 2022. The provider is also known as Maryssa Mary Catherine Gilbert.

Where is Maryssa Miller located?

Maryssa Miller practices at 3301 New Mexico Ave NW Ste 336, Washington, DC 20016. The listed phone number is (202) 362-4467.

What is Maryssa Miller's specialty?

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

Is Maryssa Miller enrolled in Medicare?

Yes. Maryssa Miller is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Maryssa Miller was last updated on September 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.