Provider Profile
Katherine Petersen, PA
Unclaimed ProfileAbout Katherine Petersen
Listed in the NPI registry as a physician assistant, Katherine Petersen, PA practices in Chicago, IL. Medicare claims data shows Katherine provided 437 services to 342 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, destruction of precancer skin growth, 2-14 growths, and established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 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.
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) 677-4300
- Email not available
Practice Locations
1 E ERIE ST STE 530
Chicago, IL 60611
Procedures Most Often Billed to Medicare
437 services · 342 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Destruction of precancer skin growth, 2-14 growths | Procedure | 17003 |
87 | Less often than most peers in Physician Assistant |
| Destruction of precancer skin growth, 1 growth | Procedure | 17000 |
37 | Less often than most peers in Physician Assistant |
| Biopsy of related skin growth, first growth | Procedure | 11102 |
30 | Less often than most peers in Physician Assistant |
| Destruction of skin growth, 1-14 growths | Procedure | 17110 |
26 | Less often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
125 | More often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
50 | More often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
49 | As often as other peers in Physician Assistant |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
18 | Less often than most peers in Physician Assistant |
| New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more | Office visit | 99202 |
15 | Less often than most peers in Physician Assistant |
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 physician assistants at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 7
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 physician assistants in Chicago 8
Same specialty, same city.
Also performs Destruction of precancer skin growth, 2-14 growths 8
Providers in IL who bill this service to Medicare most often.
Common questions
What does Katherine Petersen specialize in?
Katherine Petersen is a physician assistant in Chicago, IL. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Katherine Petersen located?
Katherine Petersen is listed at 1 E Erie St Ste 530, Chicago, IL 60611. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Katherine Petersen's phone number?
The number on file is (773) 677-4300. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Katherine Petersen?
Katherine Petersen's National Provider Identifier is 1720705957. 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 much experience does Katherine Petersen have?
Katherine Petersen has 4+ years experience. Registered with an NPI since 2022. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What does Katherine Petersen do most often?
According to Medicare billing data, Katherine Petersen performs procedures including destruction of precancer skin growth, 2-14 growths, destruction of precancer skin growth, 1 growth and biopsy of related skin growth, first growth, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Katherine Petersen's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Katherine Petersen. 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.