SARAH ALAJAJIAN DIAMOND PA-C
NPI 1487922878
Physician Assistant in Chicago, IL

Active since December 13, 2011PECOS EnrolledAccepts Medicare Assignment
3860 W OGDEN AVE, CHICAGO, IL 60623(872) 588-3000 Get Directions Write a Review

NPPES record last updated: March 7, 2023. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Mar 7, 2023, Apr 5, 2022, Apr 10, 2017 (3 updates tracked since 2017).

About Sarah Alajajian Diamond Pa-c NPPES

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

SARAH ALAJAJIAN DIAMOND PA-C (NPI 1487922878) is an individual physician assistant in Chicago, Illinois, licensed in Illinois (085004201) and active in the NPI registry since December 2011. She is enrolled in Medicare PECOS, is affiliated with Mt Sinai Hospital Medical Center, and is a graduate of Other (2011).

NPPES Registry Identity

NPI1487922878
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameSARAH ALAJAJIAN DIAMONDCredential: PA-C
Location Address3860 W OGDEN AVEChicago, IL 60623-2460
Mailing Address3860 W Ogden AveChicago, IL 60623-2460 · (872) 588-3000
Sole ProprietorNo
Medical School CMSOtherGraduated 2011
Enumeration DateDecember 13, 2011
Last NPPES UpdateMarch 7, 20233 updates tracked since enumeration
NPPES CertifiedApril 5, 2022
NPI 1487922878 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License Licensed in IL · 085004201
Definition

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

3860 W OGDEN AVE, Chicago, IL 60623

Other Names 1

Former Name (1)Sarah Kathren Alajajian

Other Identifiers 3

Other085004201IL · State License
Other1101021IL · Specialty Boards
Other385003062IL · Cs License

Accepted Insurance

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

Sarah Alajajian Diamond Pa-c 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 ID8921243627
PECOS Enrollment IDI20130401000065
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.

Hospital Affiliations CMS Care Compare

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

Mt Sinai Hospital Medical Center

Acute Care Hospitals · Chicago, IL
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140018
Location1500 S Fairfield AveChicago, IL 60608 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60623 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
$94.06 typical visit price
range $60.08 – $183.39
Typical copayment $23.51 (range $15.02 – $45.84)
Most-billed visit code 99203
Established Patient
$74.80 typical visit price
range $18.97 – $148.12
Typical copayment $18.70 (range $4.74 – $37.03)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims

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

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier15 claims15 services$55.93 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

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

Advanced Practice Midwife
3860 W OGDEN AVE
CHICAGO, IL 60623
Pediatrics
3860 W OGDEN AVE
CHICAGO, IL 60623
Internal Medicine
3860 W OGDEN AVE
CHICAGO, IL 60623
Pediatrics
3860 W OGDEN AVE
CHICAGO, IL 60623
Psychologist (Prescribing (Medical))
3860 W OGDEN AVE
CHICAGO, IL 60623
Internal Medicine (Cardiovascular Disease)
3860 W OGDEN AVE
CHICAGO, IL 60623
Optometrist
3860 W OGDEN AVE
CHICAGO, IL 60623
Nurse Practitioner
3860 W OGDEN AVE
CHICAGO, IL 60623

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 Sarah Diamond's NPI number?

The NPI number for Sarah Diamond is 1487922878. It was assigned to this individual provider in the NPPES registry on December 13, 2011.

Where is Sarah Diamond located?

Sarah Diamond practices at 3860 W Ogden Ave, Chicago, IL 60623. The listed phone number is (872) 588-3000.

What is Sarah Diamond's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Sarah Diamond enrolled in Medicare?

Yes. Sarah Diamond 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.

What insurance does Sarah Diamond accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Home State Health list Sarah Diamond as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Sarah Diamond affiliated with any hospitals?

According to CMS data, Sarah Diamond is affiliated with Mt Sinai Hospital Medical Center.

When was this NPI record last updated?

The NPPES record for Sarah Diamond was last updated on March 7, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.