Physician Profile
Unclaimed ProfileAbout BLACKER
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Areas of Expertise
Common questions
What kind of doctor is Dr. Blacker?
Dr. Blacker is an internist in Chicago, IL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Internal Medicine”.
NPI registry
What is Dr. Blacker's address?
Dr. Blacker is listed at 2800 N SHERIDAN RD SUITE 400, Chicago, IL 60657. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Blacker?
The number on file is (773) 472-5803. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Blacker's NPI number?
Dr. Blacker's National Provider Identifier is 1982603924. 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
How long has Dr. Blacker been practising?
Dr. Blacker has 21+ years experience. Registered with an NPI since 2005. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practised for longer than this.
NPI registry
What procedures does Dr. Blacker perform?
According to Medicare billing data, Dr. Blacker provides treatments such as influenza vaccine split virus, preservative free, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Blacker confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Blacker. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (773) 472-5803
- Email not available
Practice Locations
2800 N SHERIDAN RD SUITE 400
Chicago, IL 60657
Procedures Most Often Billed to Medicare
427 services · 247 patients · 6 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
18 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
295 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
47 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
28 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
21 |
| Administration of influenza virus vaccine | Billing code | G0008 |
18 |
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.
Other internists at this location 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 5
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.
More connections — 16 related providers in 2 groups
Other internists in Chicago 8
Same specialty, same city.
Also performs Influenza vaccine split virus, preservative free 8
Providers in IL who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.