Paul Mercer, M.D.
NPI 1649224098 · Family Medicine Physician · Whittier, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Paul Mercer, M.D. is a Family Medicine Physician provider in Whittier, CA (NPI 1649224098).
Provider details
- NPI number
- 1649224098
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A55020 (CA)
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
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
218 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 | 115 | $139 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 33 | $141 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 22 | $99 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 18 | $9 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 16 | $98 |
| Telephone Medical Discussion With Physician, 5-10 Minutes99441 | 14 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 129 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 513 | 186 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 341 | 59 |
| Levothyroxine Sodium | 277 | 85 |
| Lisinopril | 248 | 86 |
| Metformin Hcl | 237 | 83 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 209 | 86 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$164 across 7 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
Additional practice locations (2)
- 9040 Telegraph Rd Ste 100Downey, CA 90240Phone: (562) 861-0954Fax: (562) 923-0966
- 10250 Country Club Dr Ste HJurupa Valley, CA 91752-1328Phone: (951) 200-6166Fax: (951) 790-1046
Registry dates
- Enumerated
- 2006-05-20
- Last updated
- 2019-07-22
Frequently asked questions
- What is Paul Mercer's NPI number?
- Paul Mercer's National Provider Identifier (NPI) is 1649224098, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Paul Mercer's specialty?
- Paul Mercer is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Paul Mercer located?
- Paul Mercer's practice location on file with NPPES is 9209 Colima Rd Ste 4400, Whittier, CA 90605-1823.
- What is Paul Mercer's phone number?
- The practice phone number listed in the NPPES registry for Paul Mercer is (833) 260-3358.
- Does Paul Mercer accept Medicare?
- Paul Mercer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Paul Mercer's NPI active?
- Yes — Paul Mercer's NPI (1649224098) is active in the NPPES registry as of the last update on 2019-07-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.