Physician Profile
Unclaimed ProfileAbout KLARQUIST
Based in Chicago, IL, Thomas Edwin Klarquist, M.D. is listed in the NPI registry under internal medicine. Thomas graduated from Michigan State University College of Human Medicine in 1987. Medicare claims data shows Thomas provided 915 services to 691 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What is Dr. Klarquist's specialty?
Dr. Klarquist is an internal medicine in Chicago, IL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
Where can I find Dr. Klarquist?
Dr. Klarquist is listed at 3134 N CLARK ST, Chicago, IL 60657. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Klarquist?
The number on file is (773) 296-5090. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Klarquist?
Dr. Klarquist's National Provider Identifier is 1477517373. 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
What is Dr. Klarquist's medical education?
Dr. Klarquist attended Michigan State University College of Human Medicine, graduating in 1987. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Klarquist have?
Dr. Klarquist has 39 years experience. Calculated from a graduation year of 1987, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Klarquist known for?
According to Medicare billing data, Dr. Klarquist performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as influenza vaccine split virus, preservative free and sarscov2 vac 50 mcg/0.5ml im, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Klarquist's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Klarquist. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (773) 296-5090
- Email not available
Practice Locations
3134 N CLARK ST
Chicago, IL 60657
Procedures Most Often Billed to Medicare
915 services · 691 patients · 14 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
228 |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
34 |
| Sarscov2 vac 50 mcg/0.5ml im | Treatment | 91322 |
30 |
| Admn sarscov2 vacc 1 dose | Treatment | 90480 |
30 |
| Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | Treatment | 90677 |
14 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
235 |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
107 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
86 |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
41 |
| Administration of influenza virus vaccine | Billing code | G0008 |
34 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other internal medicines at this location 8
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 3
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 — 32 related providers in 4 groups
Other internal medicines in Chicago 8
Same specialty, same city.
Trained at Michigan State University College of Human Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1987 at Michigan State University College of Human Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 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.