Ronald Hertz, DO
NPI 1053304816 · Internal Medicine Physician · Grosse Pointe Woods, MI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ronald Hertz, DO is a Internal Medicine Physician provider in Grosse Pointe Woods, MI (NPI 1053304816).
Provider details
- NPI number
- 1053304816
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 5101010791 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
20 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
185 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 | 125 | $80 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 22 | $82 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 21 | $175 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 17 | $67 |
Typical Medicare-allowed amounts for these services range $67–$175 (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 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 94 | 25 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 45 | — |
| Metformin Hcl | 38 | 12 |
| Amlodipine Besylate | 35 | — |
| Lisinopril | 32 | — |
| Fluticasone Propionate | 26 | — |
| Losartan Potassium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-26
- Last updated
- 2021-04-16
- Certified
- 2021-04-16
Frequently asked questions
- What is Ronald Hertz's NPI number?
- Ronald Hertz's National Provider Identifier (NPI) is 1053304816, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ronald Hertz's specialty?
- Ronald Hertz is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ronald Hertz located?
- Ronald Hertz's practice location on file with NPPES is 19251 Mack Ave, Grosse Pointe Woods, MI 48236-2893.
- What is Ronald Hertz's phone number?
- The practice phone number listed in the NPPES registry for Ronald Hertz is (313) 343-3749.
- Does Ronald Hertz accept Medicare?
- Ronald Hertz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ronald Hertz's NPI active?
- Yes — Ronald Hertz's NPI (1053304816) is active in the NPPES registry as of the last update on 2021-04-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.