Katherine Granberry, M.D.
NPI 1881612471 · Internal Medicine Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Granberry, M.D. is a Internal Medicine Physician provider in Chicago, IL (NPI 1881612471).
Provider details
- NPI number
- 1881612471
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 036-063715 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
435 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 159 | $126 |
| Respiratory Infectious Agent Detection By Rna for Severe Acute Respiratory Syndrome Coronavirus 2 (covid 19), Influenza A, Influenza B, and Respiratory Syncytial Virus, Upper Respiratory Specimen, Each Reported As Detected Or Not Detected0241U | 75 | $138 |
| Urinalysis, Manual Test81002 | 51 | $3 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 48 | $171 |
| Detection Test By Nucleic Acid for Strep (streptococcus, Group A), Amplified Probe Technique87651 | 33 | $34 |
| Injection of Drug Or Substance Under Skin Or Into Muscle |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Azithromycin | 118 | 116 |
| Prednisone | 110 | 102 |
| Meloxicam | 101 | 98 |
| Cephalexin | 85 | 85 |
| Amoxicillin | 44 | 43 |
| Molnupiravirbrand: Lagevrio (eua) | 44 | 44 |
| Desloratadine | 35 | 35 |
| Fluconazole | 18 | 18 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-18
- Last updated
- 2022-06-27
- Certified
- 2022-06-27
Frequently asked questions
- What is Katherine Granberry's NPI number?
- Katherine Granberry's National Provider Identifier (NPI) is 1881612471, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Granberry's specialty?
- Katherine Granberry is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Katherine Granberry located?
- Katherine Granberry's practice location on file with NPPES is 9831 S Western Ave, Chicago, IL 60643-1791.
- What is Katherine Granberry's phone number?
- The practice phone number listed in the NPPES registry for Katherine Granberry is (773) 445-3500.
- Does Katherine Granberry accept Medicare?
- Katherine Granberry is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Granberry's NPI active?
- Yes — Katherine Granberry's NPI (1881612471) is active in the NPPES registry as of the last update on 2022-06-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.