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DR. RYAN NAZEMIAN MD, PHD
NPI 1467975359
Anesthesiology in Burlington, MA

Active since July 21, 2017PECOS EnrolledAccepts Medicare Assignment
41 BURLINGTON MALL RD 2 SE, BURLINGTON, MA 01805(781) 813-0389 Get Directions Write a Review

NPPES record last updated: June 13, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jun 13, 2023, Mar 9, 2021, Jul 21, 2017 (3 updates tracked since 2017).

About Dr. Ryan Nazemian Md, Phd NPPES

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

DR. RYAN NAZEMIAN MD, PHD (NPI 1467975359) is an individual anesthesiology provider in Burlington, Massachusetts, licensed in Massachusetts (286759) and active in the NPI registry since July 2017. He is enrolled in Medicare PECOS, is affiliated with Anna Jaques Hospital, and is a graduate of Other (2013).

NPPES Registry Identity

NPI1467975359
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. RYAN NAZEMIANCredential: MD, PHD
Location Address41 BURLINGTON MALL RD 2 SEBurlington, MA 01805-1716
Mailing Address41 Mall RdBurlington, MA 01805-0001 · (781) 744-8000
Phone(781) 813-0389
Sole ProprietorNo
Medical School CMSOtherGraduated 2013
Enumeration DateJuly 21, 2017
Last NPPES UpdateJune 13, 20233 updates tracked since enumeration
NPPES CertifiedJune 13, 2023
✔ NPI 1467975359 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in MA · 286759
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
41 BURLINGTON MALL RD 2 SE, Burlington, MA 01805
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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. Ryan Nazemian Md, Phd 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 ID7416363643
PECOS Enrollment IDI20210312000070
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 Reassignments

7

Medicare enrollment records show Ryan Nazemian reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Beth Israel Lahey Health Specialty Care, Inc.
2.1 mi
Urology
41 MALL RD LAHEY HOSPITAL & MEDICAL CENTER
Burlington, MA 01805
  • Reassigned Medicare billing, Massachusetts enrollment
  • 477 clinicians in this Medicare group
NPI 1427161660 (978) 927-0714
Lahey Clinic, Inc.
2.1 mi
Internal Medicine
41 MALL RD, LAHEY CLINIC
Burlington, MA 01805
  • Reassigned Medicare billing, Massachusetts enrollment
  • Also billed through NPI 1063447316 (Massachusetts)
  • 1,574 clinicians in this Medicare group
NPI 1538194980 (781) 744-8000
Associated Physicians Of Harvard Medical Faculty Physicians At Beth Is
11 mi
Emergency Medical Services
330 BROOKLINE AVE
Boston, MA 02215
  • Reassigned Medicare billing, Massachusetts enrollment
  • Also billed through NPI 1255818472 (Massachusetts)
  • 1,006 clinicians in this Medicare group
NPI 1952358533 (617) 754-2320
Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc
11 mi
Internal Medicine
330 BROOKLINE AVE
Boston, MA 02215
  • Reassigned Medicare billing, Massachusetts enrollment
  • 2,579 clinicians in this Medicare group
NPI 1194765438 (617) 754-9600
Pratt Anesthesiology Associates, Inc
12 mi
Anesthesiology
800 WASHINGTON ST, BOX 1013
Boston, MA 02111
  • Reassigned Medicare billing, Massachusetts enrollment
  • 246 clinicians in this Medicare group
NPI 1326085390 (617) 636-5000
Lawrence Anesthesia Services, LLC
16 mi
Anesthesiology
1 GENERAL STREET
Lawrence, MA 01842
  • Reassigned Medicare billing, Massachusetts enrollment
  • 231 clinicians in this Medicare group
NPI 1467699918 (948) 683-4000
Umass Memorial Medical Group Inc
32 mi
Internal Medicine
55 LAKE AVE N
Worcester, MA 01655
  • Reassigned Medicare billing, Massachusetts enrollment
  • 2,902 clinicians in this Medicare group
NPI 1760445373 (508) 334-1000

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 5

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.

Insertion of artery tube for blood sampling or infusion through skin 36620
This procedure involves placing a small tube into an artery, usually in the wrist or elbow, to collect blood samples or administer medication. It's done under local anesthesia and is a common, safe practice.
33 services26 patients
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
20 services20 patients
Anesthesia for other procedure on urinary system through urethra 00910
Anesthesia for a procedure on the urinary system through the urethra involves using medicine to numb sensation in the area. This is done to ensure you feel no pain or discomfort during the procedure. The medicine can be given locally, regionally, or generally, depending on the specifics of your procedure.
16 services16 patients
Anesthesia for other procedure on upper abdomen 00790
Anesthesia for an upper abdomen procedure involves using medications to help you feel no pain during the operation. It can be general, where you're unconscious, or regional, where just the abdomen area is numbed. It ensures comfort and stillness, aiding a successful procedure.
13 services13 patients
Ultrasonic guidance for blood vessel access 76937
Ultrasonic guidance for blood vessel access is a medical procedure where sound waves are used to create images of your blood vessels. This helps doctors to accurately locate and access the vessels for treatments or tests, ensuring safety and precision.
12 services11 patients

Hospital Affiliations CMS Care Compare 3

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

Anna Jaques Hospital

Acute Care Hospitals · Newburyport, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220029
Location25 Highland AvenueNewburyport, MA 01950 · Essex County
Emergency services Birthing friendly

Umass Memorial Medical Center/University Campus

Acute Care Hospitals · Worcester, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220163
Location55 Lake Avenue NorthWorcester, MA 01655 · Worcester County
Emergency services Birthing friendly

Lahey Hospital & Medical Center, Burlington

Acute Care Hospitals · Burlington, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220171
Location41 & 45 Mall RoadBurlington, MA 01803 · Middlesex County
Emergency services

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 Ryan Nazemian's NPI number?

The NPI number for Ryan Nazemian is 1467975359. It was assigned to this individual provider in the NPPES registry on July 21, 2017.

Where is Ryan Nazemian located?

Ryan Nazemian practices at 41 Burlington Mall Rd 2 SE, Burlington, MA 01805. The listed phone number is (781) 813-0389.

What is Ryan Nazemian's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Ryan Nazemian enrolled in Medicare?

Yes. Ryan Nazemian 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 organizations bill Medicare for Ryan Nazemian's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ryan Nazemian reassigns Medicare benefits to 7 organizations: Beth Israel Lahey Health Specialty Care, Inc. (Burlington, MA), Lahey Clinic, Inc. (Burlington, MA), Associated Physicians Of Harvard Medical Faculty Physicians At Beth Is (Boston, MA), Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (Boston, MA), Pratt Anesthesiology Associates, Inc (Boston, MA) and 2 more organizations, listed in the Medicare section above. Each 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 Ryan Nazemian's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Ryan Nazemian affiliated with any hospitals?

According to CMS data, Ryan Nazemian is affiliated with Anna Jaques Hospital, Umass Memorial Medical Center/University Campus and Lahey Hospital & Medical Center, Burlington.

When was this NPI record last updated?

The NPPES record for Ryan Nazemian was last updated on June 13, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.