AASHISH DEWAN MD
NPI 1619506979
Family Medicine in Olney, MD

Q: What is Aashish Dewan's NPI number?

The NPI number for Aashish Dewan is 1619506979. It was assigned to this individual provider in the NPPES registry on April 7, 2020.

Q: What is Aashish Dewan'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 Aashish Dewan was last updated on April 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.

Active since April 07, 2020PECOS EnrolledAccepts Medicare Assignment

18109 PRINCE PHILIP DR STE B200, OLNEY, MD 20832(240) 883-9791 Get Directions Write a Review

NPPES record last updated: April 11, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 11, 2025, Sep 8, 2023, Dec 10, 2022 and 1 more (4 updates tracked since 2020).

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About Aashish Dewan Md NPPES

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

AASHISH DEWAN MD (NPI 1619506979) is an individual family medicine provider in Olney, Maryland, licensed in Maryland (D98444) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, is affiliated with Frederick Health Hospital, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1619506979

Entity TypeIndividualMale

Primary Taxonomy207Q00000X

Provider Legal NameAASHISH DEWANCredential: MD

Location Address18109 PRINCE PHILIP DR STE B200Olney, MD 20832-1591

Mailing Address11403 Brook Run DrGermantown, MD 20876-6021 · (301) 832-7858

Phone(240) 883-9791

Sole ProprietorNo

Medical School CMSUniversity Of Toledo College Of MedicineGraduated 2020

Enumeration DateApril 7, 2020

Last NPPES UpdateApril 11, 20254 updates tracked since enumeration

NPPES CertifiedApril 11, 2025

✔ NPI 1619506979 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

Licenses✔ Licensed in MD · D98444✔ Licensed in DC · MD600001864✔ Licensed in FL · 156122✔ Licensed in VA · 0101279871

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.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

18109 PRINCE PHILIP DR STE B200, Olney, MD 20832

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Secondary Practice Locations 3

Location 1400 W 7th StFrederick, MD 21701-4506 · Phone (240) 566-3300

Location 212220 Rockville PikeRockville, MD 20852-1608 · Phone (855) 910-3278

Location 31600 S Andrews AveFort Lauderdale, FL 33316-2510 · Phone (301) 832-7858

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

Aashish Dewan 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 ID9931553112

PECOS Enrollment IDI20230921001280, I20240305000722

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.

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.

768 services326 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

218 services215 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.

177 services102 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.

54 services53 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.

31 services29 patients

Advance care planning, first 30 minutes 99497

Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.

14 services14 patients

Hospital Affiliations CMS Care Compare 2

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

Frederick Health Hospital

Acute Care Hospitals · Frederick, MD

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number210005

Location400 West Seventh StFrederick, MD 21701 · Frederick County

Emergency services Birthing friendly

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 20832 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.

Other Providers at the Same Location NPPES

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

EBONY SAMUELS

Physical Therapy Assistant

18109 PRINCE PHILIP DR STE B200
OLNEY, MD 20832

Montgomery County (301) 570-7415

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 Aashish Dewan's NPI number?

The NPI number for Aashish Dewan is 1619506979. It was assigned to this individual provider in the NPPES registry on April 7, 2020.

Where is Aashish Dewan located?

Aashish Dewan practices at 18109 Prince Philip Dr Ste B200, Olney, MD 20832. The listed phone number is (240) 883-9791.

What is Aashish Dewan's specialty?

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

Is Aashish Dewan enrolled in Medicare?

Yes. Aashish Dewan 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 Aashish Dewan affiliated with any hospitals?

According to CMS data, Aashish Dewan is affiliated with Frederick Health Hospital and Medstar Montgomery Medical Center.

When was this NPI record last updated?

The NPPES record for Aashish Dewan was last updated on April 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.