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Edit this profileAt a glance
- 20821 US Highway 281 N Ste 122, San Antonio, TX 78258
About Sergio Hernandez
Listed in the NPI registry as a physician assistant, Sergio Hernandez, PA-C practices in San Antonio, TX. Medicare claims data shows Sergio provided 2,934 services to 1,191 patients. The services billed most often include injection, methylprednisolone acetate, 1 mg, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit. NPI 1679007025 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (210) 546-1600
- Email not available
Practice Locations
20821 US HIGHWAY 281 N STE 122
San Antonio, TX 78258
Procedures Most Often Billed to Medicare
2,934 services · 1,191 patients · 21 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
52 | As often as other peers in Physician Assistant |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
47 | More often than most peers in Physician Assistant |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
45 | More than most peers in Physician Assistant |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
22 | As often as other peers in Physician Assistant |
| Injection, methylprednisolone acetate, 1 mg | Drug given | J1010 |
1,561 | As often as other peers in Physician Assistant |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
359 | More than most peers in Physician Assistant |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
278 | More than most peers in Physician Assistant |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
249 | More often than most peers in Physician Assistant |
| Administration of influenza virus vaccine | Billing code | G0008 |
51 | More than most peers in Physician Assistant |
| Automated urinalysis test | Lab test | 81003 |
50 | More often than most peers in Physician Assistant |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other physician assistants at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 6
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 32 related providers in 4 groups
Other physician assistants in San Antonio 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2016 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in TX who bill this service to Medicare most often.
Common questions
What does Sergio Hernandez specialize in?
Sergio Hernandez is a physician assistant in San Antonio, TX. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Sergio Hernandez located?
Sergio Hernandez is listed at 20821 US Highway 281 N Ste 122, San Antonio, TX 78258. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Sergio Hernandez's phone number?
The number on file is (210) 546-1600. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Sergio Hernandez?
Sergio Hernandez's National Provider Identifier is 1679007025. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Sergio Hernandez train?
Sergio Hernandez attended Other, graduating in 2016. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Sergio Hernandez have?
Sergio Hernandez has 10 years experience. Calculated from a graduation year of 2016, reported in the CMS National Downloadable File.
CMS public data
What does Sergio Hernandez do most often?
According to Medicare billing data, Sergio Hernandez performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as injection of drug or substance under skin or into muscle and influenza vaccine split virus, preservative free, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Sergio Hernandez's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Sergio Hernandez. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.