Jay Klein, DO
NPI 1184799199 · Geriatric Medicine (Family Medicine) Physician · Muskegon, MI
Enrolled with Medicare as Practitioner - Geriatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jay Klein, DO is a Geriatric Medicine (Family Medicine) Physician provider in Muskegon, MI (NPI 1184799199).
Provider details
- NPI number
- 1184799199
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Family Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 008915 (MI)
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 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
526 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) |
|---|---|---|
| Residence Visit for Established Patient With High Level of Medical Decision Making, Per Day, If Using Time, at Least 60 Minutes99350 | 157 | $177 |
| Prolonged Nursing Facility Evaluation and Management Service(s) Beyond the Total Time for the Primary Service (when the Primary Service Has Been Selected Using Time on the Date of the Primary Service); Each Additional 15 Minutes By the Physician Or QualifiG0317 | 91 | $28 |
| Subsequent Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, at Least 45 Minutes99310 | 80 | $146 |
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 67 | $121 |
| Subsequent Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, at Least 45 Minutes99310 | 58 | $146 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 135 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sertraline Hcl | 613 | 85 |
| Levothyroxine Sodium | 339 | 54 |
| Atorvastatin Calcium | 329 | 58 |
| Amlodipine Besylate | 324 | 51 |
| Potassium Chloride | 282 | 40 |
| Furosemide | 260 | 52 |
| Gabapentin | 234 | 42 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-22
- Last updated
- 2021-12-20
- Certified
- 2021-12-20
Frequently asked questions
- What is Jay Klein's NPI number?
- Jay Klein's National Provider Identifier (NPI) is 1184799199, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jay Klein's specialty?
- Jay Klein is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Family Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Jay Klein located?
- Jay Klein's practice location on file with NPPES is 1150 E Sherman Blvd Ste 1175, Muskegon, MI 49444-1885.
- What is Jay Klein's phone number?
- The practice phone number listed in the NPPES registry for Jay Klein is (231) 672-6740.
- Does Jay Klein accept Medicare?
- Jay Klein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jay Klein's NPI active?
- Yes — Jay Klein's NPI (1184799199) is active in the NPPES registry as of the last update on 2021-12-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.