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DR. SHANNEN K. ALLEN MD
NPI 1407876360
Ophthalmology in Rockville, MD

Active since July 20, 2006PECOS EnrolledAccepts Medicare Assignment
75.32/100
CMS Quality Rating
15005 SHADY GROVE RD., STE 100, ROCKVILLE, MD 20850(301) 279-9696(301) 251-5454 Get Directions Write a Review

NPPES record last updated: July 7, 2011. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Shannen K. Allen Md NPPES

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

DR. SHANNEN K. ALLEN MD (NPI 1407876360) is an individual ophthalmology provider in Rockville, Maryland, licensed in Maryland (D0064522) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS and is a graduate of Johns Hopkins University School Of Medicine (2002).

NPPES Registry Identity

NPI1407876360
Entity TypeIndividualFemale
Primary Taxonomy207W00000X
Provider Legal NameDR. SHANNEN K. ALLENCredential: MD
Location Address15005 SHADY GROVE RD., STE 100Rockville, MD 20850-6341
Mailing Address15005 Shady Grove Rd., Suite 100Rockville, MD 20850-6341 · (301) 279-9696 · Fax (301) 251-5454
Phone(301) 279-9696
Fax(301) 251-5454
Sole ProprietorNo
Medical School CMSJohns Hopkins University School Of MedicineGraduated 2002
Enumeration DateJuly 20, 2006
Last NPPES UpdateJuly 7, 2011
✔ NPI 1407876360 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License✔ Licensed in MD · D0064522
Definition
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.
15005 SHADY GROVE RD., Rockville, MD 20850
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Other Identifiers 3

Medicaid547371100MD
Medicare UPINI60635
Medicare PIN574373

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and more.Insurance ›

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. Shannen K. Allen 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 ID3274539192
PECOS Enrollment IDI20061016000468
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 8

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 complete exam of visual system 92014
An established patient complete exam of the visual system involves a thorough check of your eyes and vision. It assesses eye health, checks for diseases, and measures your ability to see clearly at different distances. It's a routine, non-invasive procedure.
951 services730 patients
Photography of the retina 92250
Photography of the retina, also known as retinal imaging, is a non-invasive procedure that captures images of the back of your eye. This helps doctors identify and monitor conditions like glaucoma, macular degeneration, or diabetic retinopathy. It's painless and quick, often part of a routine eye exam.
202 services198 patients
Imaging of optic nerve 92133
Imaging of the optic nerve is a non-invasive procedure that captures detailed pictures of your optic nerve. It helps doctors assess eye health, particularly for conditions like glaucoma. It's painless, quick, and uses safe technology like MRI or OCT (Optical Coherence Tomography).
196 services192 patients
Exam of visual field with extended testing 92083
An extended visual field exam is a detailed test to evaluate your peripheral (side) vision. It helps to detect any potential blind spots which may not be noticeable in daily life. These could be caused by eye diseases like glaucoma, or neurological conditions.
176 services174 patients
Exam of the internal drainage system of eye 92020
This is a procedure where your doctor examines the eye's internal drainage system, essential for maintaining eye pressure. They use specialized tools to check for blockages or damage that might lead to conditions like glaucoma. It's non-invasive and painless.
175 services135 patients
New patient complete exam of visual system 92004
A new patient complete exam of the visual system is a thorough evaluation of your eyes and vision. It checks for any potential issues and assesses overall eye health. It includes tests for visual acuity, eye movement, and light response.
70 services70 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20850 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
$80.66 typical visit price
range $21.40 – $158.88
Typical copayment $20.16 (range $5.35 – $39.72)
Most-billed visit code 99213
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.

75.32/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality100
Improvement Activities40
Cost17.75

Reported Quality Measures

Care Plan
Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker…
0%279 patients1/55-star benchmark: 100%
Diabetes: Eye Exam
Percentage of patients 18-75 years of age with diabetes who had a retinal or dilated eye exam by an eye care professional during the measurement period or a negative retinal exam (no evidence of retinopathy) in the 12 months prior to the measurement period
100%313 patients5/55-star benchmark: 100%
Documentation of Current Medications in the Medical Record
Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.
92%3,610 patients4/55-star benchmark: 100%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Percentage of patients aged 18 years and older who were screened for tobacco use one or more times within 24 months AND who received tobacco cessation intervention if identified as a tobacco user
Patients screenedForUse: 100% · 782 patients
100%782 patients5/55-star benchmark: 98%
Primary Open-Angle Glaucoma (POAG): Optic Nerve Evaluation
Percentage of patients aged 18 years and older with a diagnosis of primary open-angle glaucoma (POAG) who have an optic nerve head evaluation during one or more office visits within 12 months
99%177 patients4/55-star benchmark: 100%
Tobacco Use and Help with Quitting Among Adolescents
The percentage of adolescents 12 to 20 years of age with a primary care visit during the measurement year for whom tobacco use status was documented and received help with quitting if identified as a tobacco user
79%166 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 3

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

DR. TERRY YUN-HO KWAK MD
Ophthalmology
15005 SHADY GROVE RD., STE 100
ROCKVILLE, MD 20850
Montgomery County (301) 279-9696
DR. ROBERT C FELDMAN MD
Ophthalmology
15005 SHADY GROVE RD., STE 100
ROCKVILLE, MD 20850
Montgomery County (301) 279-9696
DR. NANCY J. SURIG MD
Ophthalmology
15005 SHADY GROVE RD., STE 100
ROCKVILLE, MD 20850
Montgomery County (301) 279-9696

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 Shannen Allen's NPI number?

The NPI number for Shannen Allen is 1407876360. It was assigned to this individual provider in the NPPES registry on July 20, 2006.

Where is Shannen Allen located?

Shannen Allen practices at 15005 Shady Grove Rd. Ste 100, Rockville, MD 20850. The listed phone number is (301) 279-9696.

What is Shannen Allen's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is Shannen Allen enrolled in Medicare?

Yes. Shannen Allen 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.

What insurance does Shannen Allen accept?

Health plans from Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas and 1 other insurer list Shannen Allen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Shannen Allen was last updated on July 7, 2011. NPI Profile syncs with the weekly NPPES data releases published by CMS.