Sarah Alajajian Diamond, PA-C
Physician Assistant · Chicago, IL
Sarah Alajajian Diamond, PA-C is a physician assistant with a practice address in Chicago, Illinois, and NPI 1487922878, issued on Dec 13, 2011. Check the license (Illinois 085004201, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sarah Alajajian Diamond
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 085004201 IL
Self-reported in NPPES; status is on the state search - Practice location
- 3860 W Ogden Ave, Chicago, IL 60623
- Phone
- (872) 588-3000
- Enumerated
- Dec 13, 2011
- Record last updated
- Mar 7, 2023
- Medicare enrollment
- Enrolled (PECOS I20130401000065); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 4,926 in Illinois → Look up another NPI →
Also registered at 3860 W Ogden Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Edward Akinyemi, MDFamily Medicine Physician1609525104
- Lars Armainsson, MDInternal Medicine Physician1336259514
Verify Sarah Alajajian Diamond in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 085004201Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% more Medicare Part D claims than the average physician assistant in 2024
1,377 Medicare Part D claims for 105 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims. 31 claims were for opioids.
Most prescribed
- Metformin Hcl109 claims
- Atorvastatin Calcium81 claims
- Amlodipine Besylate63 claims
- Lisinopril46 claims
- Jardiance42 claims
- Tradjenta41 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Lawndale Christian Health CenterChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sarah Alajajian Diamond among 4,926 physician assistant records in Illinois
Sarah Alajajian Diamond, PA-C is one of 4,926 physician assistant records with a practice address in Illinois. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 24% of them.
- NPI issued2011 · 24% of these records are older, 73% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2011 · median 2019 among the 3,407 with a school on file
- Record last updated2023 · 35% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,445 physician assistant records list a practice address in Chicago
They are 1,445 of the 63,379 NPPES records with a practice address in Chicago, and 4,926 physician assistant records in Illinois.
All 4,926 in Illinois → Every provider in Chicago → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
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- Meggan FlinnChicago, IL 606231881603652
- William Flores, PAChicago, IL 606231497784003
- Hannah Follett, PA-CChicago, IL 606231760637797
- Phoebe FoltzChicago, IL 606231497784821
- Ana Gomez, PAChicago, IL 606231144473109
- Lindsay McCracken, P.A.-CChicago, IL 606231003956640
Common questions
What is Sarah Alajajian Diamond, PA-C's NPI number?
Sarah Alajajian Diamond, PA-C's National Provider Identifier (NPI) is 1487922878, issued on Dec 13, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Sarah Alajajian Diamond, PA-C located?
The NPPES record lists a practice address at 3860 W Ogden Ave, Chicago, IL, 60623. Phone: (872) 588-3000. Providers update this record themselves, so call before visiting.
How can I verify Sarah Alajajian Diamond, PA-C's license?
NPPES lists Illinois license number 085004201, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Sarah Alajajian Diamond, PA-C prescribe under Medicare Part D?
In 2024, Sarah Alajajian Diamond, PA-C had 1,377 Medicare Part D claims for 105 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.