Arlene Donowitz, MD
NPI 1548247109 · Internal Medicine Physician · Chattanooga, TN
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Arlene Donowitz, MD is a Internal Medicine Physician provider in Chattanooga, TN (NPI 1548247109).
Provider details
- NPI number
- 1548247109
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 18835 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
5,602 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,411 | $118 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 1,177 | $9 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test85027 | 693 | $6 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 693 | $15 |
| Automated Urinalysis Test81003 | 410 | $2 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent Visit |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 154 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 655 | 181 |
| Atorvastatin Calcium | 585 | 172 |
| Amlodipine Besylate | 582 | 167 |
| Losartan Potassium | 382 | 108 |
| Omeprazole | 377 | 113 |
| Hydrochlorothiazide | 318 | 98 |
| Lisinopril |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$885 across 49 records (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
- 2005-12-27
- Last updated
- 2008-08-13
Frequently asked questions
- What is Arlene Donowitz's NPI number?
- Arlene Donowitz's National Provider Identifier (NPI) is 1548247109, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Arlene Donowitz's specialty?
- Arlene Donowitz is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Arlene Donowitz located?
- Arlene Donowitz's practice location on file with NPPES is 605 Glenwood Dr, Chattanooga, TN 37404-1108.
- What is Arlene Donowitz's phone number?
- The practice phone number listed in the NPPES registry for Arlene Donowitz is (423) 629-7220.
- Does Arlene Donowitz accept Medicare?
- Arlene Donowitz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Arlene Donowitz's NPI active?
- Yes — Arlene Donowitz's NPI (1548247109) is active in the NPPES registry as of the last update on 2008-08-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.