DIANA L. CHOU FNP
NPI 1134484355
Nurse Practitioner - Family in Edgewood, MD

Active since July 13, 2012PECOS EnrolledAccepts Medicare Assignment
76.26/100
CMS Quality Rating
1321 WOODBRIDGE STATION WAY, EDGEWOOD, MD 21040(410) 612-1779 Get Directions Write a Review

NPPES record last updated: April 27, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 26, 2024, Jul 9, 2024, Aug 20, 2018 (3 updates tracked since 2018).

About Diana L. Chou Fnp NPPES

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

DIANA L. CHOU FNP (NPI 1134484355) is an individual family provider in Edgewood, Maryland, licensed in Maryland (R208535) and active in the NPI registry since July 2012. She is enrolled in Medicare PECOS, maintains 5 additional practice locations, and is a graduate of Other (2012).

NPPES Registry Identity

NPI1134484355
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameDIANA L. CHOUCredential: FNP
Location Address1321 WOODBRIDGE STATION WAYEdgewood, MD 21040-3830
Mailing Address1734 York RdTimonium, MD 21093-5606 · (443) 275-5050 · Fax (410) 385-9386
Sole ProprietorNo
Medical School CMSOtherGraduated 2012
Enumeration DateJuly 13, 2012
Last NPPES UpdateApril 27, 20253 updates tracked since enumeration
NPPES CertifiedApril 27, 2025
NPI 1134484355 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License Licensed in MD · R208535
1321 WOODBRIDGE STATION WAY, Edgewood, MD 21040

Secondary Practice Locations 5

Location 1601 Pennsylvania Ave NW Bldg Suite900Washington, DC 20004-2601 · Phone (888) 731-8994
Location 2139 Centre St Ph 120New York, NY 10013-4559 · Phone (888) 731-8994
Location 31101 Wilson Blvd Fl 6Arlington, VA 22209-2281 · Phone (888) 731-8994
Location 4111 N Orange Ave Ste 800Orlando, FL 32801-2381 · Phone (888) 731-8994
Location 5173 Saint Patricks Dr Ste 104Waldorf, MD 20603-5530 · Phone (888) 731-8994

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

Diana L. Chou Fnp 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 ID1557510633
PECOS Enrollment IDI20140110001283
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 7

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 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.
316 services226 patients
Cervical or vaginal cancer screening; pelvic and clinical breast examination G0101
This procedure involves checking for health issues in the lower abdomen and chest area. It helps identify early signs of certain conditions, increasing the chance for successful treatment. It's a routine check-up that's important for maintaining good health.
132 services132 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
61 services61 patients
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.
61 services60 patients
Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory Q0091
A Papanicolaou smear, often called a Pap smear, is a test to check for changes in cells. A small sample is gently collected from the lower region and sent to a lab for examination. This helps in early detection of potential health issues.
59 services59 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.
31 services31 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21040 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
$94.08 typical visit price
range $60.73 – $183.44
Typical copayment $23.52 (range $15.18 – $45.86)
Most-billed visit code 99203
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.

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.

76.26/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality71.91
Promoting Interoperability100
Improvement Activities40
Cost48.97

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Public Health or Welfare
1321 WOODBRIDGE STATION WAY, ATTN MARCY AUSTIN
EDGEWOOD, MD 21040
Health Educator
1321 WOODBRIDGE STATION WAY
EDGEWOOD, MD 21040
Internal Medicine
1321 WOODBRIDGE STATION WAY
EDGEWOOD, MD 21040
Internal Medicine
1321 WOODBRIDGE STATION WAY
EDGEWOOD, MD 21040
Public Health or Welfare
1321 WOODBRIDGE STATION WAY
EDGEWOOD, MD 21040

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 Diana Chou's NPI number?

The NPI number for Diana Chou is 1134484355. It was assigned to this individual provider in the NPPES registry on July 13, 2012.

Where is Diana Chou located?

Diana Chou practices at 1321 Woodbridge Station Way, Edgewood, MD 21040. The listed phone number is (410) 612-1779.

What is Diana Chou's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Diana Chou enrolled in Medicare?

Yes. Diana Chou 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.

When was this NPI record last updated?

The NPPES record for Diana Chou was last updated on April 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.