Ayan De
Sleep Medicine (CMS) · Parkville, MD
At a glance
8901 Clement Ave, Parkville, MD 21234-2603
NPPES record updated Dec 10, 2024. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
8901 Clement AveParkville, MD 21234-2603
Additional reported practice locations
254 Easton AveSaint Peter's University Hospital
New Brunswick, NJ 089011766
Phone: 7327458600 · Ext. 8345
Fax: 7327450406 9500 Euclid Ave
Cleveland, OH 441951766
Phone: 2164445539 2350 Freedom Way Ste 202
York, PA 174028202
Phone: 7178512465
Fax: 7177413043 601 Norland Ave Ste 100
Chambersburg, PA 172014235
Phone: 7172641600
Fax: 7172646319 40 V Twin Dr
Gettysburg, PA 173257878
Phone: 7173392790
Fax: 7177983162
Education & affiliations
- Medical / professional school
- Not reported in this file
- Graduation year
- 2014
- CMS specialties
- Sleep Medicine
CMS reports telehealth services for this clinician. Confirm current services and availability with the practice.
Practice groups
Reported hospital affiliations
- Gettysburg Hospital Gettysburg, PA
- Wellspan York Hospital York, PA
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $95.40 |
Reporting companies
| Company | Amount |
|---|---|
| HARMONY BIOSCIENCES LLC | $95.40 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Sleep Medicine (CMS)
- Taxonomy code
- 207RS0012X
- Enumeration date
- Jan 4, 2017
- Record updated
- Dec 10, 2024
More registry details
- Provider type
- Individual · Type 1
Reported taxonomies and licenses
207R00000X
License reported: D0088416 MD
390200000X
207RS0012X · Primary
License reported: MD485817 PA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
8901 Clement AveParkville, MD 21234-2603
- Phone
- (410) 661-4670
Mailing address
9500 EUCLID AVECLEVELAND, OH 441950001
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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