Karen Marie Dowden, NP
Nurse Practitioner · Port Huron, MI
Karen Marie Dowden, NP is a nurse practitioner with a practice address in Port Huron, Michigan, and NPI 1306985486, issued on Feb 6, 2007. Check the license (Michigan 4704255448, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Karen Marie Dowden
- Credential
- NP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 4704255448 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1214 Richardson St, Port Huron, MI 48060
- Phone
- (810) 982-5200
- Enumerated
- Feb 6, 2007
- Record last updated
- Sep 24, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (810) 982-9776
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 3,574 in Michigan → Look up another NPI →
Verify Karen Marie Dowden in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 4704255448Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $25.57
1 payment: food and beverage; the largest payer was Iti, Inc. (d/b/a Intra-Cellular Therapies, Inc.). The 38,884 providers of this specialty with any payment received $791.64 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.
Karen Marie Dowden among 3,574 nurse practitioner records in Michigan
Karen Marie Dowden, NP is one of 3,574 nurse practitioner records with a practice address in Michigan. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 16% of them.
- NPI issued2007 · 16% of these records are older, 78% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 56% of these records are
- Record last updated2009 · 52% 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 Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
21 nurse practitioner records list a practice address in Port Huron
They are 21 of the 1,657 NPPES records with a practice address in Port Huron, and 3,574 nurse practitioner records in Michigan.
All 3,574 in Michigan → Every provider in Port Huron → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Sharon Armstrong, NPPort Huron, MI 480601164456265
- Mandy Dickerson, NPPort Huron, MI 480601336699958
- Kristin Elliott, ACNP-BCPort Huron, MI 480601801029418
- Vicki Gould-Kling, RN MSN ACNP-BCPort Huron, MI 480601700995719
- Nancy Grosso, RN, MS, FNPPort Huron, MI 480601134291693
- Annmarie Johnson, MSN, PMHNP-BPPort Huron, MI 480601942607601
- Jaclyn KamidoiPort Huron, MI 480601992202998
- Christina Kulman, AGACNP-BCPort Huron, MI 480601457872541
Common questions
What is Karen Marie Dowden, NP's NPI number?
Karen Marie Dowden, NP's National Provider Identifier (NPI) is 1306985486, issued on Feb 6, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Karen Marie Dowden, NP located?
The NPPES record lists a practice address at 1214 Richardson St, Port Huron, MI, 48060. Phone: (810) 982-5200. Providers update this record themselves, so call before visiting.
How can I verify Karen Marie Dowden, NP's license?
NPPES lists Michigan license number 4704255448, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity 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.