DR. NIGEL M AZER MD
NPI 1255336178
Orthopaedic Surgery - Adult Reconstructive Orthopaedic Surgery in Arlington, VA
Quality Rating: 75 out of 100 score
NPI Status: Active since June 16, 2005
Contact Information
2800 S SHIRLINGTON RD STE 1100
ARLINGTON, VA
ZIP 22206
Phone: (703) 892-6500
Fax: (703) 521-3415
- NPI Profile Information
- Primary Taxonomy
- Secondary Taxonomies
- Insurance Plans Accepted
- Secondary Locations
- Medicare Participation & PECOS Status
- Areas of Expertise
- Durable Medical Equipment
- Overall Quality Performance
- Quality Measures
- Hospital Affiliations - Privileges
- NPI Validation
- Other Providers Same Location
- Frequently Asked Questions
- Individual
- Male
- Years of Experience 23
- Orthopaedic Surgery
- Adult Reconstructive Orthopaedic Surgery
- Accepts Medicare Approved Payment
- PECOS Enrolled
- Medicare Quality Reporting
About NIGEL AZER
This page provides the complete NPI Profile along with additional information for Nigel Azer, a provider established in Arlington, Virginia with a medical specialization in Orthopaedic Surgery, focusing in adult reconstructive orthopaedic surgery and more than 23 years of experience. He graduated from Harvard Medical School in 2003. The healthcare provider is registered in the NPI registry with number 1255336178 assigned on June 2005. The practitioner's primary taxonomy code is 207XS0114X with license number 0101057050 (VA). The provider is registered as an individual and his NPI record was last updated March 2026.
- NPI
- 1255336178
- Provider Name
- DR. NIGEL M AZER MD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 2800 S SHIRLINGTON RD STE 1100 ARLINGTON, VA 22206
- Location Phone
- (703) 892-6500
- Location Fax
- (703) 521-3415
- Mailing Address
- 2800 S SHIRLINGTON RD STE 1000 ARLINGTON, VA 22206
- Mailing Phone
- (703) 892-6500
- Mailing Fax
- (703) 521-3415
- Medical School Name
- HARVARD MEDICAL SCHOOL
- Graduation Year
- 2003
- Is Sole Proprietor?
- No
- Enumeration Date
- 06-16-2005
- Last Update Date
- 03-09-2026
- Code Navigator
Location Map
Secondary Locations
- 3299 Woodburn Rd Ste 480
Annandale, VA 22003
(703) 892-6500
Specialty - Primary Taxonomy
The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.
- Classification
Orthopaedic Surgery Adult Reconstructive Orthopaedic Surgery
- Taxonomy Code
- 207XS0114X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 0101057050
- License State
- VA
- Taxonomy Description
- Recognized by several state medical boards as a fellowship subspecialty program of orthopaedic surgery, adult reconstructive orthopaedic surgeons deal with reconstructive procedures such as joint arthroplasty (i.e., hip and knee), osteotomy, arthroscopy, soft-tissue reconstruction, and a variety of other adult reconstructive surgical procedures.
Secondary Taxonomies
The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.
| No. | Taxonomy Code | Type | Classification / Specialization |
License No. (State) |
|---|---|---|---|---|
| 1 | 207X00000X | Allopathic & Osteopathic Physicians | Orthopaedic Surgery | 0101057050 (VA) |
Insurance Plans Accepted
According to publicly available information the provider might be accepting the following health plans from these health insurance companies:
Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.
Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.
*Please verify directly with this provider to make sure your insurance plan is currently accepted.
Additional Identifiers
The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.
| Identifier | Type / Code | Identifier State | Identifier Issuer |
|---|---|---|---|
| 0101057050 | OTHER (01) | VA | VA LICENSE |
Medicare Participation & PECOS Enrollment Status
Nigel Azer is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.
Nigel Azer is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.
What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.
Is the provider registered in PECOS? Yes
PECOS PAC ID: 5799714770
What is the PECOS Associate Control ID?
A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.PECOS Enrollment ID: I20050810000406
What is the Provider Enrollment ID?
The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.Accepts Medicare Assignment? Yes
What does it mean "accepts medicare assignment"?
When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes
Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes
Eligible to Order or Refer a Home Health Agency (HHA): Yes
Eligible to Order or Refer Power Mobility Devices: Yes
Provider Referred Orders for Durable Medical Equipment, Devices & Supplies
The following list reflects the services, supplies or durable medical equipment ordered by this provider to a DME supplier on behalf of patients. The information below is derived from Medicare claims data and reflects the BETOS category, HCPCS code information and the number times each service was submitted under the Medicare fee-for-service program.
Durable Medical Equipment
DME-Other DME (DE000N)
Walker, folding, wheeled, adjustable or fixed height (HCPCS:E0143)
10 DME suppliers used 39 Medicare Claims 39 Services Paid
DME-Other DME (DE000N)
Dynamic adjustable knee extension / flexion device, includes soft interface material (HCPCS:E1810)
1 DME suppliers used 14 Medicare Claims 14 Services Paid
DME-Wheelchairs (DD000N)
Standard wheelchair (HCPCS:K0001)
1 DME suppliers used 11 Medicare Claims 11 Services Paid
DME-Wheelchairs (DD021N)
Elevating leg rests, pair (for use with capped rental wheelchair base) (HCPCS:K0195)
2 DME suppliers used 12 Medicare Claims 12 Services Paid
Orthotic Devices
DME-Orthotic Devices (DF011N)
Knee orthosis, elastic with condylar pads and joints, with or without patellar control, prefabricated, includes fitting and adjustment (HCPCS:L1820)
2 DME suppliers used 21 Medicare Claims 22 Services Paid
Areas of Expertise
The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.
Aspiration and/or injection of fluid from large joint
Computer-assisted, fluoroscopic image-guided musculoskeletal surgical navigational orthopedic operation
Established patient office or other outpatient visit, 10-19 minutes
Established patient office or other outpatient visit, 20-29 minutes
Established patient office or other outpatient visit, 30-39 minutes
Hip replacement
Hyaluronan or derivative, gel-one, for intra-articular injection, per dose
Initial hospital inpatient care per day, typically 50 minutes
Injection, methylprednisolone acetate, 80 mg
Knee replacement
Lower limb (leg) arthroscopy (minimally invasive joint repair)
New patient office or other outpatient visit, 30-44 minutes
New patient office or other outpatient visit, 45-59 minutes
Replacement of knee joint, both sides of knee
Replacement of thigh bone and hip joint with prosthesis
Treatment of upper end of broken thigh bone with placement of stabilizing device or prosthetic replacement
X-ray of knee, 3 views
X-ray of knee, 4 or more views
X-ray of lower and sacral spine, 2-3 views
X-ray of pelvis, 1-2 views
X-ray of shoulder, minimum of 2 views
This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.
This service was performed 175 times for 139 patientsThis is a high-tech procedure where a computer aids in navigating surgical instruments, using real-time images. It enhances precision during orthopedic operations, helping to protect surrounding tissues and improve outcomes. It's like GPS for surgery!
This service was performed 38 times for 36 patientsThis is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
This service was performed 54 times for 50 patientsThis 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.
This service was performed 420 times for 309 patientsThis 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.
This service was performed 290 times for 225 patientsA hip replacement is a surgical procedure where a worn-out or damaged hip joint is replaced with an artificial one. This procedure can greatly reduce pain and improve mobility. It's often recommended when other treatments like physical therapy or medications fail to alleviate symptoms.
This service was performed for 58 patientsHyaluronan or Gel-One is a substance injected directly into your joint space. It's aimed to supplement your body's natural joint fluid, helping to lubricate and cushion the joint, reducing pain and improving mobility. It's often used for arthritis relief.
This service was performed 37 times for 27 patientsInitial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
This service was performed 50 times for 50 patientsMethylprednisolone acetate is a strong anti-inflammatory medication. It is often given as an 80 mg injection to reduce inflammation and pain. It's commonly used for conditions like arthritis, allergic disorders, or other inflammatory diseases.
This service was performed 169 times for 121 patientsA knee replacement is a surgical procedure where a damaged or diseased knee joint is replaced with an artificial one. This can relieve pain and improve mobility. The procedure involves removing damaged parts of the knee and inserting a prosthetic joint. Recovery may take several weeks.
This service was performed for 144 patientsLower limb arthroscopy is a minimally invasive procedure that allows doctors to examine and repair issues in your leg joints. It involves making small incisions through which a tiny camera and instruments are inserted. This technique can help diagnose and treat various joint problems with less pain and quicker recovery time.
This service was performed for 1-10 patientsThis 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.
This service was performed 54 times for 54 patientsThis 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.
This service was performed 144 times for 144 patientsA bilateral knee joint replacement is a procedure where the damaged parts of both your knee joints are replaced with artificial parts. It aims to relieve pain and improve mobility. The process involves a surgical operation under anesthesia.
This service was performed 100 times for 99 patientsThis procedure, known as hip arthroplasty, involves replacing your damaged thigh bone and hip joint with artificial parts, called a prosthesis. It helps relieve pain, improve mobility, and enhance your quality of life.
This service was performed 44 times for 41 patientsThis procedure involves treating a fracture at the top of your thigh bone. A stabilizing device or prosthetic replacement is placed to aid in healing. This helps restore mobility and function while reducing pain. The treatment aims for a quick and safe recovery.
This service was performed 14 times for 14 patientsAn X-ray of the knee, 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the knee from three different angles. This helps medical professionals to diagnose and monitor conditions like arthritis, fractures, or infections. The process is quick and painless.
This service was performed 364 times for 236 patientsAn X-ray of the knee, 4 or more views, is a non-invasive imaging test. It involves capturing multiple images of your knee from different angles. This helps in diagnosing conditions such as fractures, arthritis, or infections. The procedure is quick and painless.
This service was performed 402 times for 271 patientsAn X-ray of the lower and sacral spine involves capturing images of your lower back area, including the tailbone. This procedure helps in identifying problems like fractures, infections, or deformities. 2-3 different angle views provide a comprehensive picture.
This service was performed 19 times for 18 patientsAn X-ray of the pelvis, 1-2 views, is a quick and painless imaging test. It uses a small amount of radiation to produce images of the lower part of your torso. These images help to detect any abnormalities or injuries in your hip bones and surrounding structures.
This service was performed 299 times for 213 patientsAn X-ray of the shoulder, with a minimum of 2 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of your shoulder bones. This helps in diagnosing conditions like fractures, arthritis, or other abnormalities. The procedure is quick and painless.
This service was performed 14 times for 14 patientsOverall MIPS Quality Performance
The provider participated in CMS Quality Payment Program under the Merit-based Incentive Payment System (MIPS) and has an overall final score of 75, based on four performance areas: quality, improvement activities, promoting interoperability, and cost. The purpose of this information is to help people with Medicare make informed decisions and incentivize doctors and clinicians to maximize performance. The provider also has detailed performance information the following quality measures: .
The Merit-based Incentive Payment System (MIPS) is a way providers could use to participate in CMS Quality Payment Program (QPP). The MIPS program affects clinician reimbursement for Part B covered professional services and also rewards them for improving the quality of patient care and outcomes.
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Final Score: 75 out of 100
The MIPS program evaluates providers across multiple categories with a specific weight for each category resulting a in a MIPS final score that ranges from 0 to 100 points. The MIPS Final Score determines whether providers receive a negative, neutral or positive MIPS payment adjustment.
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Quality Score: N/A
The Quality category assesses providers performance on clinical practices and patient outcomes under the traditional MIPS program. The quality measures help identify the quality of healthcare processes, outcomes, and patient experiences. The Quality measure category compromises 40% providers final MPIS scores.
There are six collection types for MIPS quality measures: Electronic Clinical Quality Measures (eCQMs), MIPS Clinical Quality Measures (CQMs), Qualified Clinical Data Registry (QCDR) Measures, Medicare Part B claims measures, CMS Web Interface measures and The Consumer Assessment of Healthcare Providers and Systems (CAHPS) for MIPS Survey.
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Promoting Interoperability Score: N/A
The Interoperability category measures the providers ability to use technology to exchange and make use of healthcare information in a way that is less burdensome and improves outcomes. The Interoperability measure category compromises 25% providers final MPIS scores.
The MIPS Interoperability measure focuses on the use of certified electronic health record technology (CEHRT) to improve patient access health information, the exchange of information between clinicians and pharmacies and the systematic collection, analysis, and interpretation of healthcare data. -
Improvement Activities Score: N/A
The Improvement Activities performance category evaluates the providers participation in clinical activities that support the improvement of clinical practice, care delivery, and outcomes. Providers have the option to choose 2 to 4 activities from an inventory of over 100 improvement activities. Providers typically choose the activities that best fit their needs. The improvement activities measure category compromises 15% providers final MPIS scores.
The Improvement measures aim to better patient engagement, patient safety and other areas of patient care. The Improvement Activities category compromises 15% of providers final MPIS scores. -
Cost Score: N/A
The Cost performance category asses the amount and types of services provided and how clinicians coordinate care and seek improvement of health outcomes by ensuring patients receive the appropriate services.
Although providers don't determine the price of healthcare services they are important in delivering high-quality care at a reasonable cost. The Cost measures category compromises 20% of providers final MPIS scores. -
Cost Score: N/A
The Cost performance category asses the amount and types of services provided and how clinicians coordinate care and seek improvement of health outcomes by ensuring patients receive the appropriate services.
Although providers don't determine the price of healthcare services they are important in delivering high-quality care at a reasonable cost. The Cost measures category compromises 20% of providers final MPIS scores.
MIPS Quality Measures
The following performance measures were reported under the Merit-Based Incentive Payment System (MIPS) and Qualified Clinical Data Registry (QCDR) quality measures program.
| Quality Measure | Performance | Number of Patients |
|---|---|---|
| Risk-standardized complication rate (RSCR) following elective primary total hip arthroplasty (THA) and/or total knee arthroplasty (TKA) for Merit-based Incentive Payment System (MIPS) | 0.03% "Inverse Quality Measure" This is an inverse quality measure, a lower rate means the provider is rated better. |
Find Provider Hospital Affiliations - Privileges
Doctors and physicians must apply for hospital privileges to treat patients at hospitals. Find out if your doctor has privileges to practice at your preferred hospital by using the hospital affiliation information below based on recent medical claims.
Hospital affiliation is identified through self-reporting data, inpatient, outpatient, physician and ancillary service claims linked by the medical claims NPI number and place of service code. Additionally, to further determine provider hospital affiliation the clinician must have provided services to at least three patients on three different dates in the last 12 months. Nigel Azer is affiliated with the following medical facilities:
| Hospital Name | Address | Phone | Hospital Type | Overall Rating |
|---|---|---|---|---|
| INOVA ALEXANDRIA HOSPITAL | 4320 SEMINARY RD ALEXANDRIA, VA 22304 | (703) 504-3167 | Acute Care Hospitals | |
| INOVA MOUNT VERNON HOSPITAL | 2501 PARKERS LANE ALEXANDRIA, VA 22306 | (703) 664-7000 | Acute Care Hospitals |
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NPI NPI Number Validation
How NPI Validation Works
The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.
To verify the NPI 1255336178, we treat the final digit (8) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 52. The final step is to find the difference between that total and the next multiple of ten (60 - 52 = 8).
Digit-by-digit view
Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.
Step 1: Double every other digit from the right
Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 52 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
ARLINGTON, VA 22206
ARLINGTON, VA 22206
ARLINGTON, VA 22206
ARLINGTON, VA 22206
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1255336178, enumerated as an "individual" on June 16, 2005.
The provider is located at 2800 S SHIRLINGTON RD STE 1100 ARLINGTON, VA 22206 and the phone number is (703) 892-6500.
Orthopaedic Surgery with taxonomy code 207XS0114X and a focus in Adult Reconstructive Orthopaedic Surgery.
The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.
Nigel Azer is affiliated with: INOVA ALEXANDRIA HOSPITAL and INOVA MOUNT VERNON HOSPITAL.