Melissa A. Mark, CRNP
Acute Care Nurse Practitioner · Berkeley, CA
Melissa A. Mark, CRNP is an acute care nurse practitioner with a practice address in Berkeley, California, and NPI 1861722621, issued on Dec 30, 2009. Check the license (California 21279, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Melissa A. Mark
- Credential
- CRNP
- Primary taxonomy
- Acute Care Nurse Practitioner 363LA2100X
- License numbers
- 21279 CA
NP21279 CA
SP010669 PA
Self-reported in NPPES; status is on the state search - Practice location
- 2001 Dwight Way FL 2, Berkeley, CA 94704
- Phone
- (510) 204-5770
- Enumerated
- Dec 30, 2009
- Record last updated
- Oct 28, 2024
- Fax
- (510) 204-5749
- Medicare enrollment
- Enrolled (PECOS I20120419000458); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest acute care nurse practitioner records → All 1,810 in California → Look up another NPI →
Also registered at 2001 Dwight Way FL 2
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bridgette KreuzOccupational Therapist1467112557
Verify Melissa A. Mark in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 21279Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% fewer Medicare Part D claims than the average acute care nurse practitioner in 2024
184 Medicare Part D claims for 70 beneficiaries, against an average of 594 among the 13,133 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 47 claims were for opioids.
Most prescribed
- Oxycodone Hcl35 claims
- Ibuprofen19 claims
- Enoxaparin Sodium15 claims
- Naloxone Hcl13 claims
- Gabapentin11 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $121.60
1 payment: food and beverage; the largest payer was Daiichi Sankyo Inc. The 10,984 providers of this specialty with any payment received $647.94 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.
Bills Medicare through one group practice
- Sutter Bay Medical FoundationBerkeley, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Melissa A. Mark among 1,810 acute care nurse practitioner records in California
Melissa A. Mark, CRNP is one of 1,810 acute care nurse practitioner records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 13% of them.
- NPI issued2009 · 13% of these records are older, 85% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated2009 · median 2018 among the 993 with a school on file
- Record last updated2024 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Acute Care Nurse Practitioner providers in California
There are 1,810 acute care nurse practitioner records in California.
All 1,810 in California → Every provider in Berkeley → Acute Care Nurse Practitioner nationwide →
The 8 acute care nurse practitioner records with the nearest ZIP codes
- Ariella JesselOakland, CA 946181609161132
- Tenzin Chodon, NURSE PRACTITIONEROakland, CA 946121053063073
- Peyton BakerOakland, CA 946111689502296
- Trese Biagini, N.P.Oakland, CA 946111538601182
- Tina Quon, ACNPOakland, CA 946101326442997
- Jesse Gonzaga, NPOakland, CA 946091649348921
- Azmina Koorji, NURSE PRACTITIONEROakland, CA 946091467591651
- Jacqueline CopelandOakland, CA 946081881874600
Common questions
What is Melissa A. Mark, CRNP's NPI number?
Melissa A. Mark, CRNP's National Provider Identifier (NPI) is 1861722621, issued on Dec 30, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Melissa A. Mark, CRNP located?
The NPPES record lists a practice address at 2001 Dwight Way FL 2, Berkeley, CA, 94704. Phone: (510) 204-5770. Providers update this record themselves, so call before visiting.
How can I verify Melissa A. Mark, CRNP's license?
NPPES lists California license number 21279, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Melissa A. Mark, CRNP prescribe under Medicare Part D?
In 2024, Melissa A. Mark, CRNP had 184 Medicare Part D claims for 70 beneficiaries; the average among acute care nurse practitioner prescribers was 594. Part D covers Medicare prescriptions only.
What is Melissa A. Mark, CRNP's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.