Physician Profile
Merle L. Diamond, MD
Unclaimed ProfileAbout Dr. Diamond
Based in Chicago, IL, Merle L. Diamond, MD is listed in the NPI registry under internal medicine. Merle graduated from Northwestern University Feinberg Medical School in 1980. According to Medicare claims data, Merle cared for 1,307 Medicare patients across 30,528 services. The services billed most often include injection, onabotulinumtoxina, 1 unit, subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (773) 388-6390
- Email not available
Practice Locations
1460 N HALSTED ST STE 501
Chicago, IL 60642
Conditions Commonly Evaluated or Treated
Within Internal Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Cardiometabolic
Digestive and liver
Endocrine, blood, and bone
Infectious disease
Kidney and urinary
Respiratory
Blood & Circulation
Blood disorders
Brain & Nerves
Brain and nerves
Cardiac and vascular
Digestive
Heart & Circulation
Infections
Kidney & Bladder
Lungs & Breathing
Mental Health
Neurologic and behavioral
Pain
Rheumatologic and pain
Procedures & services
Most searched procedures
Preventive and evaluation
Screening and diagnostic testing
Bones & Joints
Brain and nerves
Cancer screening
Digestive
Exams & Consultations
Heart & Circulation
Heart health
Imaging referral
Immunizations
Lab tests
Lungs & Breathing
Metabolic & Weight
Minor procedures
Office procedures
Office Procedures
Pain management
Preventive & Routine Care
Screenings & Diagnostics
Sexual health
Procedures Most Often Billed to Medicare
30,528 services · 1,307 patients · 16 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of chemical for paralysis of facial and neck nerve muscles on both sides of face | Procedure | 64615 |
141 | Too few peers to compare |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
99 | More often than most peers in Internal Medicine |
| Injection, onabotulinumtoxina, 1 unit | Drug given | J0585 |
27,712 | Too few peers to compare |
| Injection, promethazine hcl, up to 50 mg | Drug given | J2550 |
42 | Too few peers to compare |
| Injection, ketorolac tromethamine, per 15 mg | Drug given | J1885 |
42 | Less often than most peers in Internal Medicine |
| Injection, methadone hcl, up to 10 mg | Drug given | J1230 |
42 | Too few peers to compare |
| Injection, methylprednisolone acetate, 1 mg | Drug given | J1010 |
27 | Less often than most peers in Internal Medicine |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
835 | More than most peers in Internal Medicine |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
465 | More often than most peers in Internal Medicine |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
445 | More than most peers in Internal Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other internists in Chicago 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Northwestern University Feinberg Medical School 8
Other providers in the same specialty who trained at the same institution.
Class of 1980 at Northwestern University Feinberg Medical School 8
Providers who graduated from the same medical school in the same year.
Also performs Injection of chemical for paralysis of facial and neck nerve muscles on both sides of face 8
Providers in IL who bill this service to Medicare most often.
Common questions
What does Dr. Diamond specialize in?
Dr. Diamond is an internist in Chicago, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Where is Dr. Diamond located?
Dr. Diamond is listed at 1460 N Halsted St Ste 501, Chicago, IL 60642. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Diamond's phone number?
The number on file is (773) 388-6390. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Diamond's NPI number?
Dr. Diamond's National Provider Identifier is 1780676668. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Diamond go to medical school?
Dr. Diamond attended Northwestern University Feinberg Medical School, graduating in 1980. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Diamond been practicing?
Dr. Diamond has 46 years experience. Calculated from a graduation year of 1980, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Diamond do most often?
According to Medicare billing data, Dr. Diamond performs procedures including injection of chemical for paralysis of facial and neck nerve muscles on both sides of face; provides treatments such as injection of drug or substance under skin or into muscle, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Diamond confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Diamond. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.