Gregory Jia, M.D.
NPI 1922084128 · Urology Physician · Oklahoma City, OK
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Jia, M.D. is a Urology Physician provider in Oklahoma City, OK (NPI 1922084128).
Provider details
- NPI number
- 1922084128
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 19082 (OK)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 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
1,088 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 | 467 | $118 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 107 | $84 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 98 | $154 |
| Automated Urinalysis Test81003 | 92 | $2 |
| Diagnostic Exam of Bladder and Urethra Using an Endoscope52000 | 82 | $214 |
| Initial Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 663 | 221 |
| Oxybutynin Chloridebrand: Oxybutynin Chloride Er | 140 | 56 |
| Ciprofloxacin Hcl | 112 | 93 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 84 | 72 |
| Silodosin | 63 | 23 |
| Finasteride | 53 | 17 |
| Mirabegronbrand: Myrbetriq |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$498 across 22 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
- 2005-12-20
- Last updated
- 2021-01-11
- Certified
- 2021-01-11
Frequently asked questions
- What is Gregory Jia's NPI number?
- Gregory Jia's National Provider Identifier (NPI) is 1922084128, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Jia's specialty?
- Gregory Jia is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Jia located?
- Gregory Jia's practice location on file with NPPES is 4200 S Douglas Ave Ste 200, Oklahoma City, OK 73109-3215.
- What is Gregory Jia's phone number?
- The practice phone number listed in the NPPES registry for Gregory Jia is (405) 636-7499.
- Does Gregory Jia accept Medicare?
- Gregory Jia is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Jia's NPI active?
- Yes — Gregory Jia's NPI (1922084128) is active in the NPPES registry as of the last update on 2021-01-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.