Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. MARY ELLEN RITCHIE M.D.
NPI 1255397741
Family Medicine in Silver Spring, MD

Q: What is Mary Ritchie's NPI number?

The NPI number for Mary Ritchie is 1255397741. It was assigned to this individual provider in the NPPES registry on April 24, 2006.

Q: What is Mary Ritchie's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Mary Ritchie was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since April 24, 2006PECOS Enrolled

80.17/100

CMS Quality Rating

12201 PLUM ORCHARD DR, SILVER SPRING, MD 20904(301) 572-3391(301) 572-3302 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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About Dr. Mary Ellen Ritchie M.d. NPPES

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

DR. MARY ELLEN RITCHIE M.D. (NPI 1255397741) is an individual family medicine provider in Silver Spring, Maryland, licensed in Maryland (D0061645) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS, is affiliated with Medstar Montgomery Medical Center, and is a graduate of University Of Texas Medical School At Houston (1994).

NPPES Registry Identity

NPI1255397741

Entity TypeIndividualFemale

Primary Taxonomy207Q00000X

Provider Legal NameDR. MARY ELLEN RITCHIECredential: M.D.

Location Address12201 PLUM ORCHARD DRSilver Spring, MD 20904-7803

Mailing Address12201 Plum Orchard DrSilver Spring, MD 20904-7803 · (301) 572-3391 · Fax (301) 572-3302

Phone(301) 572-3391

Fax(301) 572-3302

Sole ProprietorNo

Medical School CMSUniversity Of Texas Medical School At HoustonGraduated 1994

Enumeration DateApril 24, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1255397741 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in MD · D0061645

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

12201 PLUM ORCHARD DR, Silver Spring, MD 20904

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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

Dr. Mary Ellen Ritchie 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 ID4688630106

PECOS Enrollment IDI20041207000444, I20050525000297

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 17

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

926 services481 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

358 services358 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

286 services223 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

109 services108 patients

Influenza vaccine split virus, preservative free 90662

The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.

101 services101 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

69 services65 patients

Follow-up psychiatric collaborative care management, subsequent calendar month, first 60 minutes 99493

This service involves continued psychiatric care management for the next calendar month, covering the first 60 minutes. It includes communication with you and your healthcare team, planning and adjusting your treatment, and monitoring your progress.

30 services11 patients

Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 90677

The Pneumococcal Conjugate Vaccine (PCV20) is a shot given to protect against 20 types of bacteria that can cause serious infections like pneumonia and meningitis. It's administered through a muscle, usually in the arm. It's important for overall health.

27 services27 patients

Administration of pneumococcal vaccine G0009

The pneumococcal vaccine helps protect against pneumococcal bacteria, which can cause severe infections like pneumonia and meningitis. The vaccine is given as an injection, typically in the arm. It's recommended for infants, older adults, and those with certain health conditions.

25 services25 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

19 services18 patients

Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment G0402

An Initial Preventive Physical Examination, also known as a "Welcome to Medicare" visit, is a one-time, face-to-face visit during your first 12 months of Medicare enrollment. It includes a review of your health, as well as education and counseling about preventive services and further screenings.

19 services19 patients

Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus 87426

An immunoassay test for severe acute respiratory syndrome coronavirus is a diagnostic tool. It uses your body's immune response to detect the presence of the virus. It involves taking a sample, usually from your nose or throat, which is then analyzed in a lab for signs of the virus.

18 services16 patients

Transitional care management services for problem of at least moderate complexity 99495

Transitional care management services focus on coordinating and managing your care after you leave the hospital. For moderate complexity problems, this involves managing your medications, arranging further treatments, and ensuring you have the necessary follow-ups.

14 services14 patients

Telephone medical discussion with physician, 11-20 minutes 99442

This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.

13 services13 patients

Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and G0180

This is a service where a doctor or authorized practitioner certifies that you require Medicare-covered home health services. They will communicate with the home health agency and review reports on your health status to ensure you receive appropriate care. This does not involve an in-person visit.

13 services13 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

12 services12 patients

Electrocardiogram, routine ecg with 12 leads; performed as a screening for the initial preventive physical examination with interpretation and report G0403

An Electrocardiogram (ECG) with 12 leads is a non-invasive test that measures the electrical activity of your heart. It's performed during your initial physical examination to screen for heart conditions. The results are interpreted and compiled into a report for further evaluation.

12 services12 patients

Hospital Affiliations CMS Care Compare

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

Medstar Montgomery Medical Center

Acute Care Hospitals · Olney, MD

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number210018

Location18101 Prince Philip DriveOlney, MD 20832 · Montgomery County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20904 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

$100.31 typical visit price

range $65.18 – $194.86

Typical copayment $25.07 (range $16.29 – $48.71)

Most-billed visit code 99203

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.

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.

80.17/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

76.69

Promoting Interoperability

100

Improvement Activities

Cost

53.49

Referred Medical Equipment & Supplies CMS DME claims 4

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

18 suppliers73 claims185 services$5.21 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

14 suppliers39 claims50 services$1.10 avg. paid by Medicare

Filter, disposable, used with positive airway pressure device A7038

DME-Other DME · category DE001N

3 suppliers11 claims66 services$1.45 avg. paid by Medicare

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553

DME-Other DME · category DE017N

4 suppliers29 claims29 services$199.79 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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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. LEONARD F TASSY M.D.

Orthopaedic Surgery

12201 PLUM ORCHARD DR
SILVER SPRING, MD 20904

Montgomery County (301) 572-1000

DR. ROXANNE CASTILLO ORION M.D.

Internal Medicine

12201 PLUM ORCHARD DR
SILVER SPRING, MD 20904

Montgomery County (301) 572-1000

DR. KAREN RACHEL RAKSIS M.D.

Pediatrics

12201 PLUM ORCHARD DR, KAISER PERMANENTE SILVER SPRING MEDICAL CENTER
SILVER SPRING, MD 20904

Montgomery County (301) 572-1000

BEATRICE DIGEN MD

Family Medicine

12201 PLUM ORCHARD DR
SILVER SPRING, MD 20904

Montgomery County (301) 572-1000

LORENZO MIGUEL SANTOS GUTIERREZ MD

Psychiatry & Neurology (Psychiatry)

12201 PLUM ORCHARD DR
SILVER SPRING, MD 20904

Montgomery County (301) 579-1000

DR. SWAPNIL RAMAN-LUHADIYA M.D.

Family Medicine

12201 PLUM ORCHARD DR
SILVER SPRING, MD 20904

Montgomery County (301) 572-1000

JENNIFER CHRISTIE GOURDIN M.D.

Family Medicine (Sports Medicine)

12201 PLUM ORCHARD DR
SILVER SPRING, MD 20904

Montgomery County (301) 618-5500

MS. CAROL BOUSH NELSON CRNP

Nurse Practitioner

12201 PLUM ORCHARD DR
SILVER SPRING, MD 20904

Montgomery County (301) 572-3347

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 Ritchie's NPI number?

The NPI number for Mary Ritchie is 1255397741. It was assigned to this individual provider in the NPPES registry on April 24, 2006.

Where is Mary Ritchie located?

Mary Ritchie practices at 12201 Plum Orchard Dr, Silver Spring, MD 20904. The listed phone number is (301) 572-3391.

What is Mary Ritchie's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Mary Ritchie enrolled in Medicare?

Yes. Mary Ritchie 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 Ritchie affiliated with any hospitals?

According to CMS data, Mary Ritchie is affiliated with Medstar Montgomery Medical Center.

When was this NPI record last updated?

The NPPES record for Mary Ritchie was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.