NPPES file of Aug 9, 2026

Doctors and health care providers in Warwick, RI

2,776 individual NPPES records list a practice address in Warwick, 2nd of 56 Rhode Island cities. The largest group is clinical social worker: 257, 9% of the city's records, against 9% across Rhode Island. Page 21 of 56.

CMS NPPES registry, file of Aug 9, 2026 · method · Verify with CMS →

Warwick in Rhode Island

  • Rank in Rhode Island2nd of 56 cities by records
  • Share of the state10.8% of Rhode Island's records
  • Specialties present25 or more taxonomy codes
  • Top three groups22.8% of all records
  • Clinical Social Worker rank2nd of the 10 Rhode Island cities with the most

Compared with Rhode Island as a whole, Warwick has 3× the state's share of diagnostic radiology physician records and 0.33× its share of student in an organized health care education/training program records.

Providers in Warwick, alphabetically

  1. James Greene, OTDOccupational Therapist1801624929
  2. Madeleine GreenePharmacist1174442073
  3. Shaiann GreeneBehavior Technician1417629866
  4. Jamie Greenman, MDInternal Medicine Physician1639589377
  5. Michael Gregoire, RPHGeriatric Pharmacist1013852276
  6. Carla Greichen, LMHCMental Health Counselor1659792778
  7. Debra Greiner, NPPPediatric Nurse Practitioner1548438252
  8. Nicole Grenier, M.D.Dermatology Physician1689899734
  9. Steven Grenier, LCDPAddiction (Substance Use Disorder) Counselor1114755030
  10. Kelsey GrenusBehavior Technician1346711587
  11. Lauren Greve, PH.D.Counseling Psychologist1295914257
  12. Michele GriecoMental Health Counselor1023681996
  13. Katie Grifka, LICSWClinical Social Worker1518369081
  14. Stephen Grimes, M.D.Ophthalmology Physician1730175415
  15. Catherine Grimm, MA, LMHCMental Health Counselor1124177316
  16. Christine Grover, LMFTMarriage & Family Therapist1083197057
  17. Nicholas Grumbach, M.D.Internal Medicine Physician1932105780
  18. Jennifer Gruslin, DONA TRAINED DOULADoula1023320264
  19. Shilary GuerreroBehavior Technician1891364956
  20. Maria Guglielmo, M.D.Neurological Surgery Physician1063504512
  21. Kendra Guilfoyle, RNPsychiatric/Mental Health Registered Nurse1225340052
  22. Barbara Guillette, M.D.Otolaryngology Physician1871656611
  23. Maria Guirguis, MD., PHARMD., RPHStudent in an Organized Health Care Education/Training Program1205311065
  24. Taher Gulamhusein, M.D.Surgery Physician1154765477
  25. Harshita GuptaInternal Medicine Physician1083354864
  26. Ayesha Gurnani, DOFamily Medicine Physician1558155234
  27. Manoj Gurung, MDInternal Medicine Physician1609186337
  28. Gail Gustafson, LMHCMental Health Counselor1972376481
  29. Ilana GustavsonBehavior Analyst1518669233
  30. Francisco Gutierrez, M.D.Internal Medicine Physician1922115823
  31. Jaimie Gutierrez, LMHC-AMental Health Counselor1023864477
  32. Joshua Gutman, MDFamily Medicine Physician1902908023
  33. Lisa Gwilliam, LMHCAMental Health Counselor1124817812
  34. Caroline Haas, CRNACertified Registered Nurse Anesthetist1093024960
  35. Richard Haas, MDVascular & Interventional Radiology Physician1376531269
  36. Megan HaberPharmacist1003212366
  37. Corey Habib, DOEmergency Medicine Physician1982458857
  38. Brianna Hacker, ODOptometrist1093363616
  39. Scott Hacker, ODOptometrist1730741901
  40. Edmund Hackman, Jr., ODOptometrist1710995469
  41. Antoine Hadamard, MDGastroenterology Physician1114023017
  42. Ryan Halabi, MD, MBAEmergency Medicine Physician1699235572
  43. Dana Hall, M.D.Dermatology Physician1245298553
  44. Whitney Hall, ACDP, LCDP, BSWClinical Social Worker1235689522
  45. Mark Hallett, COTA/LOccupational Therapy Assistant1972938371
  46. Stacy HaltaufderhydeFamily Nurse Practitioner1588166102
  47. Lori Ann Halterman, PMHNPPsychiatric/Mental Health Nurse Practitioner1427878339
  48. Cristina Hamacher, DOInternal Medicine Physician1922793108
  49. Katie Hamblett, MDEmergency Medicine Physician1881635639
  50. Jessica Hamel, LICSWClinical Social Worker1447402110

The largest Rhode Island cities

  1. Providence9,647
  2. Cranston1,348
  3. Pawtucket1,284
  4. Woonsocket1,112
  5. East Providence779

All of Rhode Island →

How to read this directory

Warwick, Rhode Island appears in the CMS National Plan and Provider Enumeration System with 2,776 registered healthcare providers spanning 25 or more distinct NUCC-taxonomy specialties. This count includes every individual clinician who has applied for an NPI and listed a practice address in Warwick - physicians, dentists, nurse practitioners, physician assistants, chiropractors, physical therapists, optometrists, psychologists, podiatrists, and every other credentialed provider type CMS tracks. It does not measure hospital beds, urgent-care capacity, or whether a given clinic is accepting new patients; it measures the pool of professionals with current NPI enrollment and a Warwick practice location on file. Every figure is drawn from the federal National Provider Identifier Registry (CMS NPPES) - more than 7 million providers, maintained since May 2007, with 2024 Medicare Part D data, and, according to CMS, can be searched, compared, and traced in our methodology.

The provider mix in Warwick is weighted toward Clinical Social Worker (257 clinicians, followed by Mental Health Counselor with 213 and Behavior Technician with 163). That distribution reflects how NPPES records specialty: providers self-select a primary taxonomy code, so a family physician who also practices geriatrics will show up under whichever NUCC code they registered first. Relative to Rhode Island's population, Warwick reports roughly 253.3 providers per 100,000 residents using the state-level denominator, which is a rough proxy rather than a precise access-to-care measurement; the true catchment area of any {cityName} clinician extends beyond the municipal boundary.

For Warwick patients, this directory is most useful as a starting shortlist. Important: PlainDoctor is a directory of publicly available CMS government data, not a review site, a ranking, or medical advice. NPPES data is self-reported and refreshed monthly; call the practice directly to confirm the provider is still there, accepts your insurance, and is taking new patients.

For informational purposes only; this directory is not medical advice and not a substitute for checking a license. See also: how to find a doctor and how to verify one.

Common questions

How many doctors are in Warwick, RI?

There are 2,776 registered healthcare providers in Warwick, RI, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.

What are the most common medical specialties in Warwick?

The most common specialties in Warwick are Clinical Social Worker, Mental Health Counselor, Behavior Technician, Physical Therapist, Internal Medicine Physician. Clinical Social Worker has the most providers with 257.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov). Records are self-reported registrations, not licenses.

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.