Mark Hellmann, DPM
NPI 1588616098 · Foot & Ankle Surgery Podiatrist · Harriman, TN
Enrolled with Medicare as Practitioner - Podiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Hellmann, DPM is a Foot & Ankle Surgery Podiatrist provider in Harriman, TN (NPI 1588616098).
Provider details
- NPI number
- 1588616098
- Entity type
- Individual
- Primary specialty
- Foot & Ankle Surgery PodiatristPodiatric Medicine & Surgery Service Providers
- Credential
- DPM
- Sex
- Male
- Sole proprietor
- Yes
- License
- DPM608 (TN)
Specialties & taxonomies
Podiatric Medicine & Surgery Service Providers
Podiatric Medicine & Surgery Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,486 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 949 | $78 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 181 | $93 |
| Removal of Fingernails Or Toenails, 6 Or More Nails11721 | 66 | $38 |
| Aspiration And/Or Injection of Fluid From Medium Joint20605 | 63 | $48 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 46 | $48 |
| Permanent Removal Fingernail Or Toenail11750 | 45 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Terbinafine Hcl | 130 | 76 |
| Allopurinol | 88 | 26 |
| Mupirocin | 83 | 49 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 64 | 54 |
| Cephalexin | 55 | 50 |
| Gabapentin | 55 | 23 |
| Doxycycline Hyclate | 45 | 30 |
| Ciclopirox | 37 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$20 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-16
- Last updated
- 2022-05-09
- Certified
- 2022-05-09
Frequently asked questions
- What is Mark Hellmann's NPI number?
- Mark Hellmann's National Provider Identifier (NPI) is 1588616098, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Hellmann's specialty?
- Mark Hellmann is listed in the NPPES registry with a primary specialty of Foot & Ankle Surgery Podiatrist (Podiatric Medicine & Surgery Service Providers).
- Where is Mark Hellmann located?
- Mark Hellmann's practice location on file with NPPES is 1855 Tanner Way Ste 130, Harriman, TN 37748-8331.
- What is Mark Hellmann's phone number?
- The practice phone number listed in the NPPES registry for Mark Hellmann is (865) 882-4944.
- Does Mark Hellmann accept Medicare?
- Mark Hellmann is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Hellmann's NPI active?
- Yes — Mark Hellmann's NPI (1588616098) is active in the NPPES registry as of the last update on 2022-05-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.