DOUGLAS J MAYSON MD
NPI 1821226622
Psychiatry & Neurology - Vascular Neurology in Washington, DC

Active since June 30, 2009PECOS EnrolledAccepts Medicare Assignment
76.55/100
CMS Quality Rating
3800 RESERVOIR RD NW, GEORGETOWN UNIVERSITY HOSPITAL - PHC7, WASHINGTON, DC 20007(617) 999-7524 Get Directions Write a Review

NPPES record last updated: June 23, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Douglas J Mayson Md NPPES

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

DOUGLAS J MAYSON MD (NPI 1821226622) is an individual vascular neurology provider in Washington, District Of Columbia, licensed in District Of Columbia (MD 042329) and active in the NPI registry since June 2009. He is enrolled in Medicare PECOS, is affiliated with Medstar Franklin Square Medical Center, and is a graduate of Other (2009).

NPPES Registry Identity

NPI1821226622
Entity TypeIndividualMale
Primary Taxonomy2084V0102X
Provider Legal NameDOUGLAS J MAYSONCredential: MD
Location Address3800 RESERVOIR RD NW, GEORGETOWN UNIVERSITY HOSPITAL - PHC7Washington, DC 20007-2113
Mailing Address2311 15th St Nw, Apartment 1Washington, DC 20009-4017 · (617) 999-7524
Sole ProprietorYes
Medical School CMSOtherGraduated 2009
Enumeration DateJune 30, 2009
Last NPPES UpdateJune 23, 2020
NPPES CertifiedJune 23, 2020
NPI 1821226622 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPsychiatry & Neurology · Vascular NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084V0102X
Licenses Licensed in DC · MD 042329 Licensed in VA · 0101256398 Licensed in NY · 260727
Definition
Vascular Neurology is a subspecialty in the evaluation, prevention, treatment and recovery from vascular diseases of the nervous system. This subspecialty includes the diagnosis and treatment of vascular events of arterial or venous origin from a large number of causes that affect the brain or spinal cord such as ischemic stroke, intracranial hemorrhage, spinal cord ischemia and spinal cord hemorrhage.
Also ListedPsychiatry & Neurology · NeurologyTaxonomy 2084N0400X · License D77942 (MD)
3800 RESERVOIR RD NW, Washington, DC 20007

Other Identifiers 1

Medicaid03748450NY

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

Douglas J Mayson Md 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 ID4082842497
PECOS Enrollment IDI20140905000797, I20150203000433
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 6

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
285 services112 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
96 services93 patients
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.
67 services46 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
29 services14 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
29 services28 patients
Telephone or internet assessment with verbal and written report by consulting physician, 21-30 minutes 99448
This is a virtual consultation with a specialist doctor lasting between 21-30 minutes. It can take place over the phone or internet. After the session, the doctor will provide a written report about your health condition and any recommended next steps.
19 services19 patients

Hospital Affiliations CMS Care Compare 3

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

Medstar Saint Mary's Hospital

Acute Care Hospitals · Leonardtown, MD
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210028
Location25500 Point Lookout RoadLeonardtown, MD 20650 · St. Marys County
Emergency services Birthing friendly

Medstar Southern Maryland Hospital Center

Acute Care Hospitals · Clinton, MD
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210062
Location7503 Surratts RoadClinton, MD 20735 · Prince Georges County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20007 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.

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.

76.55/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality63.16
Promoting Interoperability100
Improvement Activities40
Cost55.94

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.

Radiology (Diagnostic Radiology)
3800 RESERVOIR RD NW, CG201
WASHINGTON, DC 20007
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
Nurse Practitioner (Family)
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
Physical Therapy Assistant
3800 RESERVOIR RD NW, PHYSICAL MEDICINE AND REHBAILITATION DEPARTMENT
WASHINGTON, DC 20007
Physician Assistant (Surgical)
3800 RESERVOIR RD NW, NEUROSURGERY DEPARTMENT
WASHINGTON, DC 20007
Radiology (Vascular & Interventional Radiology)
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
Radiology (Radiation Oncology)
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
Student in an Organized Health Care Education/Training Program
3800 RESERVOIR RD NW
WASHINGTON, DC 20007

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 Douglas Mayson's NPI number?

The NPI number for Douglas Mayson is 1821226622. It was assigned to this individual provider in the NPPES registry on June 30, 2009.

Where is Douglas Mayson located?

Douglas Mayson practices at 3800 Reservoir Rd NW Georgetown University Hospital - Phc7, Washington, DC 20007. The listed phone number is (617) 999-7524.

What is Douglas Mayson's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Vascular Neurology, with taxonomy code 2084V0102X.

Is Douglas Mayson enrolled in Medicare?

Yes. Douglas Mayson 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 Douglas Mayson affiliated with any hospitals?

According to CMS data, Douglas Mayson is affiliated with Medstar Franklin Square Medical Center, Medstar Saint Mary's Hospital and Medstar Southern Maryland Hospital Center.

When was this NPI record last updated?

The NPPES record for Douglas Mayson was last updated on June 23, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.