Karen Romero, M.D.
NPI 1861502239 · Family Medicine Physician · Livingston, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Romero, M.D. is a Family Medicine Physician provider in Livingston, CA (NPI 1861502239).
Provider details
- NPI number
- 1861502239
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A77803 (CA)
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
19 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
2,096 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 | 382 | $91 |
| Screening Mammography77067 | 203 | $98 |
| Screening 3d Breast Mammography77063 | 202 | $26 |
| X-Ray of Chest, 2 Views71046 | 182 | $25 |
| X-Ray of Knee, 3 Views73562 | 123 | $34 |
| X-Ray of Lower and Sacral Spine, Minimum of 4 Views72110 | 96 | $43 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 54 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 126 | 42 |
| Metformin Hcl | 100 | 29 |
| Losartan Potassium | 100 | 28 |
| Levothyroxine Sodium | 90 | 29 |
| Lisinopril | 89 | 24 |
| Amlodipine Besylate | 83 | 27 |
| Omeprazole |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-30
- Last updated
- 2007-07-08
Frequently asked questions
- What is Karen Romero's NPI number?
- Karen Romero's National Provider Identifier (NPI) is 1861502239, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Romero's specialty?
- Karen Romero is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Karen Romero located?
- Karen Romero's practice location on file with NPPES is 1140 Main St, Livingston, CA 95334-1257.
- What is Karen Romero's phone number?
- The practice phone number listed in the NPPES registry for Karen Romero is (209) 394-7913.
- Does Karen Romero accept Medicare?
- Karen Romero is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Romero's NPI active?
- Yes — Karen Romero's NPI (1861502239) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.