Krystal Mershon, FNP-BC
Primary Care Nurse Practitioner · Cambridge, MA
Krystal Mershon, FNP-BC is a primary care nurse practitioner with a practice address in Cambridge, Massachusetts, and NPI 1700288388, issued on Sep 25, 2014. Check the license (Massachusetts RN2283506, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Krystal Mershon
- Credential
- FNP-BC
- Primary taxonomy
- Primary Care Nurse Practitioner 363LP2300X
- License number
- RN2283506 MA
Self-reported in NPPES; status is on the state search - Practice location
- 725 Concord Ave Ste 3300, Cambridge, MA 02138
- Phone
- (617) 864-8822
- Enumerated
- Sep 25, 2014
- Record last updated
- Dec 3, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest primary care nurse practitioner records → All 376 in Massachusetts → Look up another NPI →
Also registered at 725 Concord Ave Ste 3300
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Krystal Mershon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN2283506Check 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 primary care nurse practitioner in 2024
599 Medicare Part D claims for 159 beneficiaries, against an average of 1,492 among the 5,992 providers of this specialty who prescribed in Part D. Brand-name drugs were 50% of claims.
Most prescribed
- Levothyroxine Sodium83 claims
- Jardiance59 claims
- Metformin Hcl56 claims
- Mounjaro52 claims
- Ozempic35 claims
- Lantus Solostar30 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: $321.67
10 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 4,321 providers of this specialty with any payment received $625.13 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.
Krystal Mershon among 376 primary care nurse practitioner records in Massachusetts
Krystal Mershon, FNP-BC is one of 376 primary care nurse practitioner records with a practice address in Massachusetts. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 31% of them.
- NPI issued2014 · 31% of these records are older, 65% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 52% of these records are
- Record last updated2021 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP2300X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Primary Care Nurse Practitioner providers in Massachusetts
There are 376 primary care nurse practitioner records in Massachusetts.
All 376 in Massachusetts → Every provider in Cambridge → Primary Care Nurse Practitioner nationwide →
The 8 primary care nurse practitioner records with the nearest ZIP codes
- Jessica Deary, APRN, CNPCambridge, MA 021381447806831
- Ashley Donaher, FNP-CCambridge, MA 021381518691419
- Tiffany Huynh, NURSE PRACTITIONERCambridge, MA 021381134771017
- Elana Schwam, AGPCNP-BCCambridge, MA 021381265911556
- Mary Hubbard, APRNCambridge, MA 021391154496313
- Kathryn Oas, AGNPCambridge, MA 021391184181380
- Lisa Antonelli, APRNCambridge, MA 021401962577361
- Marie Rose M Moreau, NURSE PRACTITIONERHyde Park, MA 021361013261767
Common questions
What is Krystal Mershon, FNP-BC's NPI number?
Krystal Mershon, FNP-BC's National Provider Identifier (NPI) is 1700288388, issued on Sep 25, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Krystal Mershon, FNP-BC located?
The NPPES record lists a practice address at 725 Concord Ave Ste 3300, Cambridge, MA, 02138. Phone: (617) 864-8822. Providers update this record themselves, so call before visiting.
How can I verify Krystal Mershon, FNP-BC's license?
NPPES lists Massachusetts license number RN2283506, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Krystal Mershon, FNP-BC prescribe under Medicare Part D?
In 2024, Krystal Mershon, FNP-BC had 599 Medicare Part D claims for 159 beneficiaries; the average among primary care nurse practitioner prescribers was 1,492. 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.