Heather Calleen Merlo-Grifantini, MD
Family Medicine Physician · Rogue River, OR
Heather Calleen Merlo-Grifantini, MD is a family medicine physician with a practice address in Rogue River, Oregon, and NPI 1346401742, issued on Jun 19, 2008. Check the license (Oregon MD153468, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Heather Calleen Merlo-Grifantini
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD153468 OR
Self-reported in NPPES; status is on the state search - Practice location
- 509 E Main St, Rogue River, OR 97537
- Phone
- (541) 582-0505
- Enumerated
- Jun 19, 2008
- Record last updated
- Oct 3, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20110906000726); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,847 in Oregon → Look up another NPI →
Also registered at 509 E Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rachel Boyle, PA-CPhysician Assistant1649871708
- Edmund Glovinsky, D.O.Family Medicine Physician1356340848
- Cora Haze, P.A.Physician Assistant1992747265
- Elizabeth Hirni, DOInternal Medicine Physician1598754129
- Brian Mateja, D.O.Family Medicine Physician1063417772
- Chelsey Pauls, FNPFamily Nurse Practitioner1255043782
Verify Heather Calleen Merlo-Grifantini in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD153468Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average family medicine physician in 2024
7,608 Medicare Part D claims for 531 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 562 claims were for opioids.
Most prescribed
- Levothyroxine Sodium495 claims
- Atorvastatin Calcium376 claims
- Lisinopril337 claims
- Hydrocodone-Acetaminophen273 claims
- Omeprazole240 claims
- Gabapentin199 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.
Bills Medicare through one group practice
- Rogue River Family Practice Clinic PCRogue River, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Heather Calleen Merlo-Grifantini among 2,847 family medicine physician records in Oregon
Heather Calleen Merlo-Grifantini, MD is one of 2,847 family medicine physician records with a practice address in Oregon. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 55% of them.
- NPI issued2008 · 55% of these records are older, 41% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2007 · median 2009 among the 1,671 with a school on file
- Record last updated2016 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 family medicine physician records list a practice address in Rogue River
They are 4 of the 40 NPPES records with a practice address in Rogue River, and 2,847 family medicine physician records in Oregon.
All 2,847 in Oregon → Every provider in Rogue River → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- David Frank, D.O.Rogue River, OR 975371558360990
- Edmund Glovinsky, D.O.Rogue River, OR 975371356340848
- Brian Mateja, D.O.Rogue River, OR 975371063417772
- Katherine Mechling, M.D.Selma, OR 975381699767103
- Paul Jendre, D.O.Phoenix, OR 975351841299393
- Eric Webb, MDPhoenix, OR 975351306920087
- Patrick Honsinger, MDTalent, OR 975401922111392
- Max Tenscher, FNPTalent, OR 975401154354868
Common questions
What is Heather Calleen Merlo-Grifantini, MD's NPI number?
Heather Calleen Merlo-Grifantini, MD's National Provider Identifier (NPI) is 1346401742, issued on Jun 19, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Heather Calleen Merlo-Grifantini, MD located?
The NPPES record lists a practice address at 509 E Main St, Rogue River, OR, 97537. Phone: (541) 582-0505. Providers update this record themselves, so call before visiting.
How can I verify Heather Calleen Merlo-Grifantini, MD's license?
NPPES lists Oregon license number MD153468, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Heather Calleen Merlo-Grifantini, MD prescribe under Medicare Part D?
In 2024, Heather Calleen Merlo-Grifantini, MD had 7,608 Medicare Part D claims for 531 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.