NPPES file of Aug 9, 2026

Anna Maria Izquierdo-Porrera, M.D PHD

Geriatric Medicine (Internal Medicine) Physician · Silver Spring, MD

Anna Maria Izquierdo-Porrera, M.D PHD is a geriatric medicine (internal medicine) physician with a practice address in Silver Spring, Maryland, and NPI 1033281910, issued on Nov 15, 2006. Check the license (Maryland D0061299, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1033281910
Name
Anna Maria Izquierdo-Porrera
Credential
M.D PHD
Primary taxonomy
Geriatric Medicine (Internal Medicine) Physician 207RG0300X
License number
D0061299 MD
Self-reported in NPPES; status is on the state search
Practice location
11120 New Hampshire Ave Ste 509, Silver Spring, MD 20904
Phone
(240) 844-2552
Enumerated
Nov 15, 2006
Record last updated
Dec 4, 2024
Fax
(844) 423-7397
Medicare enrollment
Enrolled (PECOS I20070929000151); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Anna Maria Izquierdo-Porrera in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D0061299
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Maryland license search

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67% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024

1,386 Medicare Part D claims for 119 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 19 claims were for opioids.

  1. Anna Izquierdo-Porrera1,386
  2. Specialty average4,246

Most prescribed

  1. Levothyroxine Sodium77 claims
  2. Atorvastatin Calcium56 claims
  3. Lisinopril53 claims
  4. Amlodipine Besylate50 claims
  5. Glipizide39 claims
  6. Losartan Potassium39 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 86.6 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score53.3
  2. Costout of 100 · 30%96.0
  3. Promoting interoperabilityout of 100 · 25%83.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through 2 group practices

  1. Care For Your Health, IncSilver Spring, MD
  2. Tidalhealth Specialty Care LLCSalisbury, MD

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Anna Maria Izquierdo-Porrera among 139 geriatric medicine (internal medicine) physician records in Maryland

Anna Maria Izquierdo-Porrera, M.D PHD is one of 139 geriatric medicine (internal medicine) physician records with a practice address in Maryland. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 38% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileYes · 47% of these records are
  • Graduated1993 · median 1997 among the 66 with a school on file
  • Record last updated2024 · 71% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Geriatric Medicine (Internal Medicine) Physician providers in Maryland

There are 139 geriatric medicine (internal medicine) physician records in Maryland.

The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes

  1. Daniel Feirtag, M.D.Silver Spring, MD 209041659401131
  2. Loveen Puthumana, M.D.Silver Spring, MD 209041235175043
  3. Michael Westerman, M.D.Silver Spring, MD 209041013929181
  4. Shyamsundar Rajan, MDSilver Spring, MD 209021093730442
  5. Mitra Hashemi, MDSilver Spring, MD 209101225354905
  6. Ruth Kevess-Cohen, M.D.Silver Spring, MD 209101780688762
  7. Jeanne Asher, M.D.Kensington, MD 208951588626139
  8. Nurul Chowdhury, M.D.Kensington, MD 208951093738635

Common questions

What is Anna Maria Izquierdo-Porrera, M.D PHD's NPI number?

Anna Maria Izquierdo-Porrera, M.D PHD's National Provider Identifier (NPI) is 1033281910, issued on Nov 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Anna Maria Izquierdo-Porrera, M.D PHD located?

The NPPES record lists a practice address at 11120 New Hampshire Ave Ste 509, Silver Spring, MD, 20904. Phone: (240) 844-2552. Providers update this record themselves, so call before visiting.

How can I verify Anna Maria Izquierdo-Porrera, M.D PHD's license?

NPPES lists Maryland license number D0061299, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Anna Maria Izquierdo-Porrera, M.D PHD prescribe under Medicare Part D?

In 2024, Anna Maria Izquierdo-Porrera, M.D PHD had 1,386 Medicare Part D claims for 119 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. Part D covers Medicare prescriptions only.

What is Anna Maria Izquierdo-Porrera, M.D PHD's MIPS final score?

The 2023 MIPS final score is 86.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.