NPPES file of Aug 9, 2026

Joan Catherine Guevarra, M.D.

General Practice Physician · Nesconset, NY

Joan Catherine Guevarra, M.D. is a general practice physician with a practice address in Nesconset, New York, and NPI 1740476399, issued on Sep 18, 2007. Check the license (New York 244374-1, as entered in NPPES) on the NYS Education Department, Office of the Professions; 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
1740476399
Name
Joan Catherine Guevarra
Credential
M.D.
Primary taxonomy
General Practice Physician 208D00000X
License number
244374-1 NY
Self-reported in NPPES; status is on the state search
Practice location
59A Nichols RD, Nesconset, NY 11767
Phone
(631) 656-6940
Enumerated
Sep 18, 2007
Record last updated
Sep 18, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20080303000644); accepts Medicare assignment
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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Also registered at 59A Nichols RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Maria Sarah Guevarra, M.D.Pediatric Endocrinology Physician1174767529

Verify Joan Catherine Guevarra in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 244374-1
    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 New York license search

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77% fewer Medicare Part D claims than the average general practice physician in 2024

709 Medicare Part D claims for 241 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. 40 claims were for opioids.

  1. Joan Guevarra709
  2. Specialty average3,030

Most prescribed

  1. Prednisone67 claims
  2. Cefdinir51 claims
  3. Amlodipine Besylate27 claims
  4. Levofloxacin23 claims
  5. Albuterol Sulfate Hfa22 claims
  6. Amoxicillin-Clavulanate Potass21 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): 91.3 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 score73.6
  2. Costout of 100 · 30%86.0
  3. Promoting interoperabilitynot scored (reweighted)
  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).

Industry payments in 2024: $415.76

13 payments; by number, the most common kind was food and beverage; the largest payer was bioMerieux Inc. The 4,259 providers of this specialty with any payment received $1,273.40 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Joan Guevarra$415.76
  2. Specialty average$1,273.40

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Apogee Medical Group, New York, PCOlean, NY

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

Joan Catherine Guevarra among 681 general practice physician records in New York

Joan Catherine Guevarra, M.D. is one of 681 general practice physician records with a practice address in New York. 49% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 25% of them.

  • NPI issued2007 · 25% of these records are older, 61% newer
  • In a Medicare fileYes · 49% of these records are
  • In the CMS Doctors and Clinicians fileYes · 21% of these records are
  • Graduated1996 · median 2002 among the 141 with a school on file
  • Record last updated2007 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

General Practice Physician providers in New York

There are 681 general practice physician records in New York.

The 8 general practice physician records with the nearest ZIP codes

  1. Egbebalakhamen Osa, MDOakdale, NY 117691619604899
  2. Karl Bean, DDSMiller Place, NY 117641215009337
  3. Che Meng Chang, MDMassapequa Park, NY 117621225174881
  4. Mitul Patel, M.D.East Patchogue, NY 117721285615120
  5. David Sherlock, DOMassapequa, NY 117581700528098
  6. Indira Pammi, M.D.Muttontown, NY 117531275881989
  7. Jonathan Wahl, M.D.Jericho, NY 117531821155755
  8. Ronald Dunphy, D.O.Islip, NY 117511013982941

Common questions

What is Joan Catherine Guevarra, M.D.'s NPI number?

Joan Catherine Guevarra, M.D.'s National Provider Identifier (NPI) is 1740476399, issued on Sep 18, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Joan Catherine Guevarra, M.D. located?

The NPPES record lists a practice address at 59A Nichols RD, Nesconset, NY, 11767. Phone: (631) 656-6940. Providers update this record themselves, so call before visiting.

How can I verify Joan Catherine Guevarra, M.D.'s license?

NPPES lists New York license number 244374-1, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Joan Catherine Guevarra, M.D. prescribe under Medicare Part D?

In 2024, Joan Catherine Guevarra, M.D. had 709 Medicare Part D claims for 241 beneficiaries; the average among general practice physician prescribers was 3,030. Part D covers Medicare prescriptions only.

What is Joan Catherine Guevarra, M.D.'s MIPS final score?

The 2023 MIPS final score is 91.3 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.