Nicholas Helmstetter, M.D.
NPI 1699187955 · Internal Medicine Physician · Kalamazoo, MI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nicholas Helmstetter, M.D. is a Internal Medicine Physician provider in Kalamazoo, MI (NPI 1699187955).
Provider details
- NPI number
- 1699187955
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 4301105388 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
12 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
94 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 44 | $79 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 20 | $87 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 16 | $114 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 14 | $174 |
Typical Medicare-allowed amounts for these services range $79–$174 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Atorvastatin Calcium | 37 |
| Omeprazole | 34 |
| Baclofen | 18 |
| Buprenorphine Hcl/Naloxone Hclbrand: Buprenorphine-Naloxone | 15 |
| Metoprolol Succinate | 14 |
| Cyclobenzaprine Hcl | 13 |
| Montelukast Sodium | 13 |
| Lisinopril | 13 |
| Chlorthalidone | 12 |
Practice location
Mailing address
Additional practice locations (1)
- 1500 E. Medical Center Dr3116 Taubman Center, Spc 5368Ann Arbor, MI 48109-5368Phone: (734) 844-5400Fax: (734) 844-5298
Registry dates
- Enumerated
- 2014-05-21
- Last updated
- 2018-06-12
Frequently asked questions
- What is Nicholas Helmstetter's NPI number?
- Nicholas Helmstetter's National Provider Identifier (NPI) is 1699187955, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Helmstetter's specialty?
- Nicholas Helmstetter is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nicholas Helmstetter located?
- Nicholas Helmstetter's practice location on file with NPPES is 1000 Oakland Dr, Kalamazoo, MI 49008.
- What is Nicholas Helmstetter's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Helmstetter is (269) 337-6345.
- Does Nicholas Helmstetter accept Medicare?
- Nicholas Helmstetter is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nicholas Helmstetter's NPI active?
- Yes — Nicholas Helmstetter's NPI (1699187955) is active in the NPPES registry as of the last update on 2018-06-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.