Alyssa Carlson, PA
NPI 1639827231 · Physician Assistant · Chicago, IL
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alyssa Carlson, PA is a Physician Assistant provider in Chicago, IL (NPI 1639827231).
Provider details
- NPI number
- 1639827231
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Female
- Sole proprietor
- No
- License
- 10003685A (IN)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
4 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
166 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) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 94 | $137 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 59 | $94 |
| Critical Care, First 30-74 Minutes99291 | 13 | $166 |
Typical Medicare-allowed amounts for these services range $94–$166 (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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 57 | 56 |
| Ondansetron Hcl | 44 | 44 |
| Cephalexin | 42 | 42 |
| Prednisone | 31 | 31 |
| Doxycycline Hyclate | 21 | 21 |
| Cyclobenzaprine Hcl | 19 | 19 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 19 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-03-13
- Last updated
- 2025-09-03
- Certified
- 2025-09-03
Frequently asked questions
- What is Alyssa Carlson's NPI number?
- Alyssa Carlson's National Provider Identifier (NPI) is 1639827231, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alyssa Carlson's specialty?
- Alyssa Carlson is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Alyssa Carlson located?
- Alyssa Carlson's practice location on file with NPPES is 225 E Chicago Ave, Chicago, IL 60611-2991.
- What is Alyssa Carlson's phone number?
- The practice phone number listed in the NPPES registry for Alyssa Carlson is (312) 227-4000.
- Does Alyssa Carlson accept Medicare?
- Alyssa Carlson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alyssa Carlson's NPI active?
- Yes — Alyssa Carlson's NPI (1639827231) is active in the NPPES registry as of the last update on 2025-09-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.