Justin Page Calvin, DNP, FNP-C
Nurse Practitioner · Concord, CA
Justin Page Calvin, DNP, FNP-C is a nurse practitioner with a practice address in Concord, California, and NPI 1417494055, issued on Jan 20, 2017. Check the license (California 95025276, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Justin Page Calvin
- Credential
- DNP, FNP-C
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License numbers
- 95025276 CA
115158 AK
115159 AK
6632461-3102 UT
Self-reported in NPPES; status is on the state search - Practice location
- 2001 Diamond Blvd Ste C-100, Concord, CA 94520
- Phone
- (888) 663-6331
- Enumerated
- Jan 20, 2017
- Record last updated
- Aug 2, 2024
- Fax
- (415) 252-7176
- Medicare enrollment
- Enrolled (PECOS I20230810003718); accepts Medicare assignment
- Medical or professional school
- University Of Utah School Of Medicine, 2016
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 8,223 in California → Look up another NPI →
Also registered at 2001 Diamond Blvd Ste C-100
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Apurva Samant Pinnamaneni, MDFamily Medicine Physician1700048378
Verify Justin Page Calvin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95025276Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
60% fewer Medicare Part D claims than the average nurse practitioner in 2024
444 Medicare Part D claims for 92 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 17 claims were for opioids.
Most prescribed
- Atorvastatin Calcium35 claims
- Omeprazole27 claims
- Losartan Potassium22 claims
- Metformin Hcl21 claims
- Amlodipine Besylate19 claims
- Gabapentin16 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
- One Medical Group IncEmeryville, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Justin Page Calvin among 8,223 nurse practitioner records in California
Justin Page Calvin, DNP, FNP-C is one of 8,223 nurse practitioner records with a practice address in California. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 52% of them.
- NPI issued2017 · 52% of these records are older, 44% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 42% of these records are
- Graduated2016 · median 2017 among the 3,425 with a school on file
- Record last updated2024 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
37 nurse practitioner records list a practice address in Concord
They are 37 of the 9,328 NPPES records with a practice address in Concord, and 8,223 nurse practitioner records in California.
All 8,223 in California → Every provider in Concord → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Irina Abovsky-Akkerman, NPConcord, CA 945201982769345
- Marie-Claire Barnaba, NPConcord, CA 945201518018696
- Christine Costa, NPConcord, CA 945201194875047
- Katrece Davis, NPConcord, CA 945201497800015
- Constance Dimidjian, NPConcord, CA 945201639224637
- Janet ElderConcord, CA 945201942352752
- Michelle Fahlsing, NPConcord, CA 945201124173117
- Elizabeth Gumas, NPConcord, CA 945201801843792
Common questions
What is Justin Page Calvin, DNP, FNP-C's NPI number?
Justin Page Calvin, DNP, FNP-C's National Provider Identifier (NPI) is 1417494055, issued on Jan 20, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Justin Page Calvin, DNP, FNP-C located?
The NPPES record lists a practice address at 2001 Diamond Blvd Ste C-100, Concord, CA, 94520. Phone: (888) 663-6331. Providers update this record themselves, so call before visiting.
How can I verify Justin Page Calvin, DNP, FNP-C's license?
NPPES lists California license number 95025276, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Justin Page Calvin, DNP, FNP-C prescribe under Medicare Part D?
In 2024, Justin Page Calvin, DNP, FNP-C had 444 Medicare Part D claims for 92 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.