DR. TAHIR AHMAD MD
NPI 1386638732
Internal Medicine in Aldie, VA

Active since August 31, 2005PECOS EnrolledAccepts Medicare Assignment
75/100
CMS Quality Rating
ENCOMPASS HEALTH REHABILIATION HOSPITAL OF NORTHERN VA, 24430 MILLSTREAM DRIVE, ALDIE, VA 20105(703) 957-2000(610) 617-6280 Get Directions Write a Review

NPPES record last updated: August 12, 2019. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Tahir Ahmad Md NPPES

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

DR. TAHIR AHMAD MD (NPI 1386638732) is an individual internal medicine provider in Aldie, Virginia, licensed in Virginia (0101232890) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, maintains a secondary practice location in Leesburg, and is a graduate of Other (1991).

NPPES Registry Identity

NPI1386638732
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. TAHIR AHMADCredential: MD
Location AddressENCOMPASS HEALTH REHABILIATION HOSPITAL OF NORTHERN VA, 24430 MILLSTREAM DRIVEAldie, VA 20105
Mailing AddressEncompass Health Rehabiliation Hospital Of Northern Va, 24430 Millstream DriveAldie, VA 20105 · (703) 957-2000 · Fax (610) 617-6280
Fax(610) 617-6280
Sole ProprietorNo
Medical School CMSOtherGraduated 1991
Enumeration DateAugust 31, 2005
Last NPPES UpdateAugust 12, 2019
✔ NPI 1386638732 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in VA · 0101232890✔ Licensed in TN · 36582
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
ENCOMPASS HEALTH REHABILIATION HOSPITAL OF NORTHERN VA, Aldie, VA 20105

Secondary Practice Location 1

Location 144045 Riverside Parkway, Inova Loudoun Hospital Commonwealth Inpatient PhysicianLeesburg, VA 20176 · Phone (703) 858-6044 · Fax (610) 617-6280

Other Identifiers 1

Medicaid010258251VA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Tahir Ahmad 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 ID5092768416
PECOS Enrollment IDI20060502000769
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.

Medicare Billing Reassignment

Medicare enrollment records show Tahir Ahmad reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Rehabilitation Hospital
24430 MILLSTREAM DR
Aldie, VA 20105
  • Reassigned Medicare billing, Virginia enrollment
  • 2 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 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.
5,354 services568 patients
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.
733 services554 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.
622 services566 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.
569 services520 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.
56 services55 patients
Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and G0180
This is a service where a doctor or authorized practitioner certifies that you require Medicare-covered home health services. They will communicate with the home health agency and review reports on your health status to ensure you receive appropriate care. This does not involve an in-person visit.
51 services51 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20105 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
$129.04 typical visit price
range $56.19 – $170.30
Typical copayment $32.26 (range $14.04 – $42.57)
Most-billed visit code 99204
Established Patient
$99.13 typical visit price
range $18.07 – $138.91
Typical copayment $24.78 (range $4.51 – $34.72)
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.

75/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Hospital bed, semi-electric (head and foot adjustment), with any type side rails, with mattress E0260
DME-Hospital Beds · category DB000N
3 suppliers12 claims12 services$26.16 avg. paid by Medicare
Standard wheelchair K0001
DME-Wheelchairs · category DD000N
2 suppliers12 claims12 services$10.12 avg. paid by Medicare
Elevating leg rests, pair (for use with capped rental wheelchair base) K0195
DME-Wheelchairs · category DD021N
3 suppliers21 claims21 services$6.77 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Tahir Ahmad's NPI number?

The NPI number for Tahir Ahmad is 1386638732. It was assigned to this individual provider in the NPPES registry on August 31, 2005.

Where is Tahir Ahmad located?

Tahir Ahmad practices at Encompass Health Rehabiliation Hospital Of Northern VA 24430 Millstream Drive, Aldie, VA 20105. The listed phone number is (703) 957-2000.

What is Tahir Ahmad's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Tahir Ahmad enrolled in Medicare?

Yes. Tahir Ahmad 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.

Which organization bills Medicare for Tahir Ahmad's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tahir Ahmad reassigns Medicare benefits to Nova Clincare, Inc. (Aldie, VA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Tahir Ahmad's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Tahir Ahmad was last updated on August 12, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.