Kumkum Chattopadhyay, M.D.
NPI 1275564536 · Internal Medicine Physician · Milwaukee, WI
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kumkum Chattopadhyay, M.D. is a Internal Medicine Physician provider in Milwaukee, WI (NPI 1275564536).
Provider details
- NPI number
- 1275564536
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 43804 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Gabapentin | 25 |
| Pantoprazole Sodium | 22 |
| Omeprazole | 22 |
| Amlodipine Besylate | 20 |
| Atorvastatin Calcium | 20 |
| Tamsulosin Hcl | 20 |
| Simvastatin | 20 |
| Levothyroxine Sodium | 20 |
| Pravastatin Sodium | 19 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-05
- Last updated
- 2020-11-18
- Certified
- 2020-11-18
Frequently asked questions
- What is Kumkum Chattopadhyay's NPI number?
- Kumkum Chattopadhyay's National Provider Identifier (NPI) is 1275564536, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kumkum Chattopadhyay's specialty?
- Kumkum Chattopadhyay is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Kumkum Chattopadhyay located?
- Kumkum Chattopadhyay's practice location on file with NPPES is Vamc Milwaukee 5000 W National Ave, Milwaukee, WI 53295-0001.
- What is Kumkum Chattopadhyay's phone number?
- The practice phone number listed in the NPPES registry for Kumkum Chattopadhyay is (414) 384-2000.
- Does Kumkum Chattopadhyay accept Medicare?
- Kumkum Chattopadhyay is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kumkum Chattopadhyay's NPI active?
- Yes — Kumkum Chattopadhyay's NPI (1275564536) is active in the NPPES registry as of the last update on 2020-11-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.