Anna Izquierdo-Porrera, M.D PHD
NPI 1033281910 · Geriatric Medicine (Internal Medicine) Physician · Silver Spring, MD
Enrolled with Medicare as Practitioner - Geriatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Anna Izquierdo-Porrera, M.D PHD is a Geriatric Medicine (Internal Medicine) Physician provider in Silver Spring, MD (NPI 1033281910).
Provider details
- NPI number
- 1033281910
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D PHD
- Sex
- Female
- Sole proprietor
- No
- License
- D0061299 (MD)
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
561 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 110 | $142 |
| Assessment of Emotional Or Behavioral Problems96127 | 107 | $5 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 89 | $9 |
| Residence Visit for Established Patient With High Level of Medical Decision Making, Per Day, If Using Time, at Least 60 Minutes99350 | 54 | $199 |
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 50 | $137 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 38 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 77 | 24 |
| Atorvastatin Calcium | 56 | 21 |
| Lisinopril | 53 | 18 |
| Amlodipine Besylate | 50 | 18 |
| Losartan Potassium | 39 | 14 |
| Glipizide | 39 | — |
| Metformin Hcl | 38 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-15
- Last updated
- 2024-12-04
- Certified
- 2024-12-04
Frequently asked questions
- What is Anna Izquierdo-Porrera's NPI number?
- Anna Izquierdo-Porrera's National Provider Identifier (NPI) is 1033281910, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Anna Izquierdo-Porrera's specialty?
- Anna Izquierdo-Porrera is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Anna Izquierdo-Porrera located?
- Anna Izquierdo-Porrera's practice location on file with NPPES is 11120 New Hampshire Ave Ste 509, Silver Spring, MD 20904-2618.
- What is Anna Izquierdo-Porrera's phone number?
- The practice phone number listed in the NPPES registry for Anna Izquierdo-Porrera is (240) 844-2552.
- Does Anna Izquierdo-Porrera accept Medicare?
- Anna Izquierdo-Porrera is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Anna Izquierdo-Porrera's NPI active?
- Yes — Anna Izquierdo-Porrera's NPI (1033281910) is active in the NPPES registry as of the last update on 2024-12-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.