1. Home
  2. Directory
  3. Maryland
  4. Bethesda
  5. Internal Medicine
  6. NPI Profile

MARY ELIZABETH RICHERT M.D.
NPI 1184159535
Internal Medicine - Critical Care Medicine in Bethesda, MD

Active since April 24, 2017PECOS EnrolledAccepts Medicare Assignment
8600 OLD GEORGETOWN RD, BETHESDA, MD 20814(301) 896-3100 Get Directions Write a Review

NPPES record last updated: November 3, 2025. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Nov 3, 2025, Jul 2, 2021, Apr 24, 2017 (3 updates tracked since 2017).

About Mary Elizabeth Richert M.d. NPPES

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

MARY ELIZABETH RICHERT M.D. (NPI 1184159535) is an individual critical care medicine provider in Bethesda, Maryland, licensed in Maryland (D0095014) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS, is affiliated with Medstar Franklin Square Medical Center, and maintains a secondary practice location in Baltimore.

NPPES Registry Identity

NPI1184159535
Entity TypeIndividualFemale
Primary Taxonomy207RC0200X
Provider Legal NameMARY ELIZABETH RICHERTCredential: M.D.
Location Address8600 OLD GEORGETOWN RDBethesda, MD 20814-1497
Mailing Address8600 Old Georgetown RdBethesda, MD 20814-1422 · (301) 896-3100
Phone(301) 896-3100
Sole ProprietorNo
Medical School CMSUniversity Of Maryland School Of MedicineGraduated 2017
Enumeration DateApril 24, 2017
Last NPPES UpdateNovember 3, 20253 updates tracked since enumeration
NPPES CertifiedNovember 3, 2025
✔ NPI 1184159535 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RC0200X
License✔ Licensed in MD · D0095014
Definition
An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X · License D0095014 (MD)
8600 OLD GEORGETOWN RD, Bethesda, MD 20814
Open in Google Maps ↗

Secondary Practice Location 1

Location 19000 Franklin Square DrBaltimore, MD 21237-3901 · Phone (443) 777-7000

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mary Elizabeth Richert M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2365717105
PECOS Enrollment IDI20231025000007, I20260102000592
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.

Areas of Expertise CMS Part B claims

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.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
13 services13 patients

Hospital Affiliations CMS Care Compare 2

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

Medstar Franklin Square Medical Center

Acute Care Hospitals · Rosedale, MD
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210015
Location9000 Franklin Square DriveRosedale, MD 21237 · Baltimore County
Emergency services Birthing friendly

Suburban Hospital

Acute Care Hospitals · Bethesda, MD
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210022
Location8600 Old Georgetown RoadBethesda, MD 20814 · Montgomery County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20814 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.

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.

CARLOS MANUEL CAMPA MALDONADO
Plastic Surgery
8600 OLD GEORGETOWN RD
BETHESDA, MD 20814
Montgomery County (301) 896-2578
DR. KEITH A HORVATH M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery)
8600 OLD GEORGETOWN RD
BETHESDA, MD 20814
Montgomery County (301) 896-7610
MRS. DINA L GALITZ NP
Nurse Practitioner (Family)
8600 OLD GEORGETOWN RD
BETHESDA, MD 20814
Montgomery County (301) 896-2654
SPAA
General Acute Care Hospital
8600 OLD GEORGETOWN RD, SUBURBAN HOSPITAL
BETHESDA, MD 20814
Montgomery County (301) 896-3100
SHEILA RAO PA
Physician Assistant
8600 OLD GEORGETOWN RD
BETHESDA, MD 20814
Montgomery County (301) 896-2578
AMY ELIZABETH MCKEE M.D.
Emergency Medicine (Pediatric Emergency Medicine)
8600 OLD GEORGETOWN RD
BETHESDA, MD 20814
Montgomery County (301) 896-3054
MR. CHRISTIAN PELTE M.D.
Internal Medicine (Critical Care Medicine)
8600 OLD GEORGETOWN RD
BETHESDA, MD 20814
Montgomery County (301) 896-3990
SUSAN CECILIA MORENO RPA-C
Physician Assistant
8600 OLD GEORGETOWN RD
BETHESDA, MD 20814
Montgomery County (301) 896-7500

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 Mary Richert's NPI number?

The NPI number for Mary Richert is 1184159535. It was assigned to this individual provider in the NPPES registry on April 24, 2017.

Where is Mary Richert located?

Mary Richert practices at 8600 Old Georgetown Rd, Bethesda, MD 20814. The listed phone number is (301) 896-3100.

What is Mary Richert's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Is Mary Richert enrolled in Medicare?

Yes. Mary Richert is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Mary Richert affiliated with any hospitals?

According to CMS data, Mary Richert is affiliated with Medstar Franklin Square Medical Center and Suburban Hospital.

When was this NPI record last updated?

The NPPES record for Mary Richert was last updated on November 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.