Physician Profile
Based in Silver Spring, MD, Anna M. Izquierdo-Porrera, M.D PHD is listed in the NPI registry under geriatric medicine. According to Medicare claims data, Anna cared for 331 Medicare patients across 561 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, assessment of emotional or behavioral problems, and insertion of needle into vein for collection of blood sample. NPI 1033281910 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
11120 NEW HAMPSHIRE AVE STE 509
Silver Spring, MD 20904
Within Geriatric Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
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561 services · 331 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
89 | As often as other peers in Geriatric Medicine |
| Assessment of emotional or behavioral problems | Treatment | 96127 |
107 | More often than most peers in Geriatric Medicine |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
110 | As often as other peers in Geriatric Medicine |
| Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes | Office visit | 99350 |
54 | As often as other peers in Geriatric Medicine |
| Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes | Office visit | 99349 |
50 | As often as other peers in Geriatric Medicine |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
43 | As often as other peers in Geriatric Medicine |
| Annual alcohol misuse screening, 5 to 15 minutes | Billing code | G0442 |
38 | Less often than most peers in Geriatric Medicine |
| Annual depression screening, 5 to 15 minutes | Billing code | G0444 |
36 | Less often than most peers in Geriatric Medicine |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
34 | Less often than most peers in Geriatric Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Izquierdo-Porrera is a geriatrician in Silver Spring, MD. That is the designation recorded for this NPI in the federal registry, where it is listed as “Geriatric Medicine”.
NPI registry
Dr. Izquierdo-Porrera is listed at 11120 New Hampshire Ave Ste 509, Silver Spring, MD 20904. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (240) 844-2552. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Izquierdo-Porrera's National Provider Identifier is 1033281910. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Izquierdo-Porrera attended Other, graduating in 1993. This comes from the CMS National Downloadable File.
CMS public data
Dr. Izquierdo-Porrera has 33 years experience. Calculated from a graduation year of 1993, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Izquierdo-Porrera performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as assessment of emotional or behavioral problems, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Izquierdo-Porrera. If this is you, claiming it is free.
Guide.md
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