NPPES file of Aug 9, 2026

Michael John Grille, M.D.

Interventional Pain Medicine Physician · Hartford, CT

Michael John Grille, M.D. is an interventional pain medicine physician with a practice address in Hartford, Connecticut, and NPI 1659630960, issued on May 7, 2012. Check the license (Connecticut 56807, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1659630960
Name
Michael John Grille
Credential
M.D.
Primary taxonomy
Interventional Pain Medicine Physician 208VP0014X
License number
56807 CT
Self-reported in NPPES; status is on the state search
Practice location
31 Seymour St Ste 201, Hartford, CT 06106
Phone
(860) 282-4128
Enumerated
May 7, 2012
Record last updated
Aug 27, 2025
Medicare enrollment
Enrolled (PECOS I20171004001090); 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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Verify Michael John Grille in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 56807
    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 Connecticut license search

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54% fewer Medicare Part D claims than the average interventional pain medicine physician in 2024

1,050 Medicare Part D claims for 188 beneficiaries, against an average of 2,306 among the 2,100 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 231 claims were for opioids.

  1. Michael Grille1,050
  2. Specialty average2,306

Most prescribed

  1. Gabapentin178 claims
  2. Pregabalin158 claims
  3. Topiramate66 claims
  4. Meloxicam54 claims
  5. Belbuca53 claims
  6. Lidocaine46 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.

Industry payments in 2024: $1,129.10

24 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 1,966 providers of this specialty with any payment received $3,889.53 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Michael Grille$1,129.10
  2. Specialty average$3,889.53

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

2 hospitals and group practices

  1. Midstate Medical CenterMeriden, CT · Acute Care Hospitals4 of 5 stars
  2. Integrated Anesthesia Associates LLCHartford, CT

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Interventional Pain Medicine Physician providers in Connecticut

There are 23 interventional pain medicine physician records in Connecticut.

Other interventional pain medicine physician records in Connecticut

  1. Bassem Abraham, MDTrumbull, CT1922180520
  2. Robert Boolbol, MDFarmington, CT1316935034
  3. Vincent Carlesi, M.D.Danbury, CT1699726554
  4. Shyam Desai, MDFairfield, CT1700415973
  5. David Glassman, M.D.New Haven, CT1831127265
  6. Eric Grahling, MDPlainville, CT1841257185
  7. Ahmed Haque, M.D.West Haven, CT1932469608
  8. Gaurav Kapur, MDNorwich, CT1447299383
  9. Jonathan Kost, M.D.West Hartford, CT1346274792
  10. Dwight Ligham, MDNew Haven, CT1669584686

Common questions

What is Michael John Grille, M.D.'s NPI number?

Michael John Grille, M.D.'s National Provider Identifier (NPI) is 1659630960, issued on May 7, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Michael John Grille, M.D. located?

The NPPES record lists a practice address at 31 Seymour St Ste 201, Hartford, CT, 06106. Phone: (860) 282-4128. Providers update this record themselves, so call before visiting.

How can I verify Michael John Grille, M.D.'s license?

NPPES lists Connecticut license number 56807, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Michael John Grille, M.D. prescribe under Medicare Part D?

In 2024, Michael John Grille, M.D. had 1,050 Medicare Part D claims for 188 beneficiaries; the average among interventional pain medicine physician prescribers was 2,306. Part D covers Medicare prescriptions only.

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.