Arunthathi Stallwood, MD
NPI 1972899680 · Internal Medicine Physician · Marysville, MI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Arunthathi Stallwood, MD is a Internal Medicine Physician provider in Marysville, MI (NPI 1972899680).
Provider details
- NPI number
- 1972899680
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 4301099109 (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 tenure25% of score
14 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
596 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 | 249 | $66 |
| Removal of Tissue From Wound, 20.0 Sq Cm Or Less97597 | 176 | $36 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 103 | $36 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 28 | $83 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 14 | $92 |
| New Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 15 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Doxycycline Hyclate | 160 | 103 |
| Mupirocin | 146 | 109 |
| Gentamicin Sulfate | 48 | 32 |
| Amoxicillin | 42 | 39 |
| Cephalexin | 40 | 32 |
| Collagenase Clostridium Hist.brand: Santyl | 27 | 21 |
| Methylprednisolone | 26 | 26 |
| Prednisone | 19 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$26 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
- 2011-06-21
- Last updated
- 2015-07-07
Frequently asked questions
- What is Arunthathi Stallwood's NPI number?
- Arunthathi Stallwood's National Provider Identifier (NPI) is 1972899680, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Arunthathi Stallwood's specialty?
- Arunthathi Stallwood is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Arunthathi Stallwood located?
- Arunthathi Stallwood's practice location on file with NPPES is 1985 Gratiot Blvd, Marysville, MI 48040-2215.
- What is Arunthathi Stallwood's phone number?
- The practice phone number listed in the NPPES registry for Arunthathi Stallwood is (810) 364-0692.
- Does Arunthathi Stallwood accept Medicare?
- Arunthathi Stallwood is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Arunthathi Stallwood's NPI active?
- Yes — Arunthathi Stallwood's NPI (1972899680) is active in the NPPES registry as of the last update on 2015-07-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.