Sybila Martinez Chapa, M.D.
NPI 1992230015 · Internal Medicine Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sybila Martinez Chapa, M.D. is a Internal Medicine Physician provider in Chicago, IL (NPI 1992230015).
Provider details
- NPI number
- 1992230015
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 036150808 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
9 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
496 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 96 | $91 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 95 | $122 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 73 | $131 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 69 | $8 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 47 | $118 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 50 | 30 |
| Levothyroxine Sodium | 45 | 19 |
| Metformin Hcl | 40 | 23 |
| Lisinopril | 29 | 17 |
| Amlodipine Besylate | 27 | 13 |
| Diclofenac Sodium | 27 | 13 |
| Apixabanbrand: Eliquis |
Practice location
Mailing address
Additional practice locations (2)
- 6326 Cermak RdBerwyn, IL 60402-2304Phone: (708) 303-9234
- 1740 W Taylor StChicago, IL 60612-7232Phone: (866) 600-2273
Registry dates
- Enumerated
- 2017-04-26
- Last updated
- 2024-01-05
- Certified
- 2024-01-05
Frequently asked questions
- What is Sybila Martinez Chapa's NPI number?
- Sybila Martinez Chapa's National Provider Identifier (NPI) is 1992230015, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sybila Martinez Chapa's specialty?
- Sybila Martinez Chapa is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sybila Martinez Chapa located?
- Sybila Martinez Chapa's practice location on file with NPPES is 3134 N Clark St, Chicago, IL 60657-4414.
- What is Sybila Martinez Chapa's phone number?
- The practice phone number listed in the NPPES registry for Sybila Martinez Chapa is (312) 766-4949.
- Does Sybila Martinez Chapa accept Medicare?
- Sybila Martinez Chapa is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sybila Martinez Chapa's NPI active?
- Yes — Sybila Martinez Chapa's NPI (1992230015) is active in the NPPES registry as of the last update on 2024-01-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.