Katelyn St Martin, PA-C
NPI 1144703992 · Physician Assistant · Crystal Lake, IL
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katelyn St Martin, PA-C is a Physician Assistant provider in Crystal Lake, IL (NPI 1144703992).
Provider details
- NPI number
- 1144703992
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- 085-006852 (IL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
8 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
245 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 | 72 | $74 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 71 | $65 |
| Replacement of Knee Joint, Both Sides of Knee27447 | 43 | $172 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 38 | $73 |
| Replacement of Thigh Bone and Hip Joint With Prosthesis27130 | 21 | $168 |
Typical Medicare-allowed amounts for these services range $65–$172 (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 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tramadol Hcl | 172 | 102 |
| Celecoxib | 170 | 62 |
| Meloxicam | 132 | 62 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 84 | 72 |
| Diclofenac Sodium | 65 | 40 |
| Methylprednisolone | 50 | 46 |
| Gabapentin | 20 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$14 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
Additional practice locations (3)
- 1111 E 87th St Ste 600Chicago, IL 60619-7038Phone: (773) 375-5500
- 8735 S Merrion LnHometown, IL 60456-1133Phone: (708) 425-1150
- 10370 Haligus Rd Ste 201Huntley, IL 60142-9582Phone: (815) 356-5200Fax: (815) 356-5262
Registry dates
- Enumerated
- 2018-09-07
- Last updated
- 2023-04-24
- Certified
- 2023-04-24
Frequently asked questions
- What is Katelyn St Martin's NPI number?
- Katelyn St Martin's National Provider Identifier (NPI) is 1144703992, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katelyn St Martin's specialty?
- Katelyn St Martin is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Katelyn St Martin located?
- Katelyn St Martin's practice location on file with NPPES is 420 N Il Route 31, Crystal Lake, IL 60012-3709.
- What is Katelyn St Martin's phone number?
- The practice phone number listed in the NPPES registry for Katelyn St Martin is (815) 356-5200.
- Does Katelyn St Martin accept Medicare?
- Katelyn St Martin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katelyn St Martin's NPI active?
- Yes — Katelyn St Martin's NPI (1144703992) is active in the NPPES registry as of the last update on 2023-04-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.