Atticus Lum, PA-C
NPI 1194386383 · Medical Physician Assistant · Chattanooga, TN
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Atticus Lum, PA-C is a Medical Physician Assistant provider in Chattanooga, TN (NPI 1194386383).
Provider details
- NPI number
- 1194386383
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- 5611 (TN)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
6 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
500 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 | 132 | $99 |
| Placement of Hormone Pellet Under Skin11980 | 96 | $72 |
| Unclassified DrugsJ3490 | 88 | $613 |
| Automated Urinalysis Test81003 | 85 | $2 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 77 | $69 |
| Injection Procedure to Cause Erection54235 | 22 | $68 |
Typical Medicare-allowed amounts for these services range $2–$613 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Testosterone Cypionate | 120 | 43 |
| Anastrozole | 99 | 34 |
| Vibegronbrand: Gemtesa | 56 | 16 |
| Tamsulosin Hcl | 51 | 21 |
| Cabergoline | 38 | 15 |
| Mirabegronbrand: Myrbetriq | 34 | — |
| Meloxicam | 32 | 26 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$215 across 4 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
- 2019-06-27
- Last updated
- 2024-10-23
- Certified
- 2024-10-23
Frequently asked questions
- What is Atticus Lum's NPI number?
- Atticus Lum's National Provider Identifier (NPI) is 1194386383, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Atticus Lum's specialty?
- Atticus Lum is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Atticus Lum located?
- Atticus Lum's practice location on file with NPPES is 975 E 3rd St, Chattanooga, TN 37403-2173.
- What is Atticus Lum's phone number?
- The practice phone number listed in the NPPES registry for Atticus Lum is (423) 778-5910.
- Does Atticus Lum accept Medicare?
- Atticus Lum is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Atticus Lum's NPI active?
- Yes — Atticus Lum's NPI (1194386383) is active in the NPPES registry as of the last update on 2024-10-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.