Hallie Grotenstein, PA-C
Physician Assistant · New York, NY
Hallie Grotenstein, PA-C is a physician assistant with a practice address in New York, New York, and NPI 1265816722, issued on Jul 15, 2015. Check the license (New York 018721, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Hallie Grotenstein
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 018721 NY
Self-reported in NPPES; status is on the state search - Practice location
- 210 E 64TH St, New York, NY 10065
- Phone
- (212) 434-2730
- Enumerated
- Jul 15, 2015
- Record last updated
- Sep 19, 2025
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 15,555 in New York → Look up another NPI →
Also registered at 210 E 64TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joennis AlmeidaClinical Social Worker1255677050
- Emily Bravo, PSY.D.Psychologist1255645958
- Lawrence Caliari, RN ONPNurse Practitioner1912066283
- Rosa Cataliotti, LCSWSocial Worker1245651447
- Jesse Cole, MD, AAHIVSFamily Medicine Physician1568048288
- Eric Di Dio, PT, DPT, CSCSOrthopedic Physical Therapist1790322915
Verify Hallie Grotenstein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license 018721Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average physician assistant in 2024
15 Medicare Part D claims, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
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): 85.4 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $70.48
2 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Hallie Grotenstein among 15,555 physician assistant records in New York
Hallie Grotenstein, PA-C is one of 15,555 physician assistant records with a practice address in New York. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 40% of them.
- NPI issued2015 · 40% of these records are older, 57% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 52% of these records are
- Record last updated2025 · 48% 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 York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3,108 physician assistant records list a practice address in New York
They are 3,108 of the 98,468 NPPES records with a practice address in New York, and 15,555 physician assistant records in New York.
All 15,555 in New York → Every provider in New York → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
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- Jolanda Kedzierski, P.A.New York, NY 100651376765024
- Jehona Marku-Podvorica, RPA-CNew York, NY 100651427114859
- Nancy Pagan, PANew York, NY 100651154334761
Common questions
What is Hallie Grotenstein, PA-C's NPI number?
Hallie Grotenstein, PA-C's National Provider Identifier (NPI) is 1265816722, issued on Jul 15, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Hallie Grotenstein, PA-C located?
The NPPES record lists a practice address at 210 E 64TH St, New York, NY, 10065. Phone: (212) 434-2730. Providers update this record themselves, so call before visiting.
How can I verify Hallie Grotenstein, PA-C's license?
NPPES lists New York license number 018721, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Hallie Grotenstein, PA-C prescribe under Medicare Part D?
In 2024, Hallie Grotenstein, PA-C had 15 Medicare Part D claims; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Hallie Grotenstein, PA-C's MIPS final score?
The 2023 MIPS final score is 85.4 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.