Mark Adriatico, M.D.
NPI 1194913608 · Internal Medicine Physician · Downey, CA
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Adriatico, M.D. is a Internal Medicine Physician provider in Downey, CA (NPI 1194913608).
Provider details
- NPI number
- 1194913608
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A106520 (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
18 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
895 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 412 | $81 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 193 | $122 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 144 | $120 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 116 | $179 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 19 | $135 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 11 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 15 | 15 |
| Prednisone | 14 | 14 |
| Cefdinir | 13 | 13 |
| Furosemide | 12 | 12 |
| Hydralazine Hcl | 12 | 12 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 12 | 12 |
| Metoprolol Succinate | 11 | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$650 across 32 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
- 2007-10-09
- Last updated
- 2009-10-09
Frequently asked questions
- What is Mark Adriatico's NPI number?
- Mark Adriatico's National Provider Identifier (NPI) is 1194913608, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Adriatico's specialty?
- Mark Adriatico is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Adriatico located?
- Mark Adriatico's practice location on file with NPPES is 10800 Paramount Blvd, Downey, CA 90241-3331.
- What is Mark Adriatico's phone number?
- The practice phone number listed in the NPPES registry for Mark Adriatico is (562) 869-1070.
- Does Mark Adriatico accept Medicare?
- Mark Adriatico is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Adriatico's NPI active?
- Yes — Mark Adriatico's NPI (1194913608) is active in the NPPES registry as of the last update on 2009-10-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.