NPPES file of Aug 9, 2026

Guida Maria St. George, MS, PA-C

Physician Assistant · Union, NJ

Guida Maria St. George, MS, PA-C is a physician assistant with a practice address in Union, New Jersey, and NPI 1639382732, issued on May 7, 2007. Check the license (New Jersey 25MP00089200, as entered in NPPES) with the New Jersey board that licenses this profession; 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
1639382732
Name
Guida Maria St. George
Credential
MS, PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
25MP00089200 NJ
Self-reported in NPPES; status is on the state search
Practice location
1308 Morris Ave, Union, NJ 07083
Phone
(908) 851-2770
Enumerated
May 7, 2007
Record last updated
Jun 21, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(908) 851-9023
Medicare enrollment
Enrolled (PECOS I20200402001714); 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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Also registered at 1308 Morris Ave

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

  1. Rajesh Dhirmalani, DOInternal Medicine Physician1073522819
  2. Ramon Fernandez-Ledon, M.D.Gastroenterology Physician1083621460
  3. Kunal Grover, MDGastroenterology Physician1346445574
  4. Pradeep Mahal, M.D.Gastroenterology Physician1063551687
  5. Prakriti Merchant, M.D.Gastroenterology Physician1447546775
  6. Raimundo Obregon, M.D.Otolaryngology Physician1477646362

Verify Guida Maria St. George in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New Jersey board licenses this profession
    Search for license 25MP00089200
    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
Find the New Jersey license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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73% fewer Medicare Part D claims than the average physician assistant in 2024

220 Medicare Part D claims for 61 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.

  1. Guida St. George220
  2. Specialty average830

Most prescribed

  1. Pantoprazole Sodium35 claims
  2. Famotidine25 claims
  3. Omeprazole15 claims
  4. Trazodone Hcl15 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): 75.1 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 score78.6
  2. Costout of 100 · 30%45.5
  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: $687.29

35 payments; by number, the most common kind was food and beverage; the largest payer was Madrigal Pharmaceuticals. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Guida St. George$687.29
  2. Specialty average$841.65

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. NJ Gastro, LLCKenilworth, NJ

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

Guida Maria St. George among 3,393 physician assistant records in New Jersey

Guida Maria St. George, MS, PA-C is one of 3,393 physician assistant records with a practice address in New Jersey. 78% 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 9% of them.

  • NPI issued2007 · 9% of these records are older, 84% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2002 · median 2019 among the 2,168 with a school on file
  • Record last updated2010 · 35% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

28 physician assistant records list a practice address in Union

They are 28 of the 1,094 NPPES records with a practice address in Union, and 3,393 physician assistant records in New Jersey.

The 8 physician assistant records with the nearest ZIP codes

  1. Maryjo AgostaUnion, NJ 070831083067722
  2. Eyriney Azer, PAUnion, NJ 070831568008761
  3. Nancy FresnelUnion, NJ 070831740488063
  4. Leonora Genoble, PA-CUnion, NJ 070831598987158
  5. Kate Rennier GondaUnion, NJ 070831083023386
  6. Zhanna Jones, PHYSICIAN ASSISTANTUnion, NJ 070831386253458
  7. Tanya Lugo, PAUnion, NJ 070831518170208
  8. Christopher Nguyen-LeUnion, NJ 070831609399740

Common questions

What is Guida Maria St. George, MS, PA-C's NPI number?

Guida Maria St. George, MS, PA-C's National Provider Identifier (NPI) is 1639382732, issued on May 7, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Guida Maria St. George, MS, PA-C located?

The NPPES record lists a practice address at 1308 Morris Ave, Union, NJ, 07083. Phone: (908) 851-2770. Providers update this record themselves, so call before visiting.

How can I verify Guida Maria St. George, MS, PA-C's license?

NPPES lists New Jersey license number 25MP00089200, as entered by the provider. Search the New Jersey board that licenses this profession; the NPPES record confirms identity only.

How much does Guida Maria St. George, MS, PA-C prescribe under Medicare Part D?

In 2024, Guida Maria St. George, MS, PA-C had 220 Medicare Part D claims for 61 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.

What is Guida Maria St. George, MS, PA-C's MIPS final score?

The 2023 MIPS final score is 75.1 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.