Tish Ann Marie Parker, FNP-C
Nurse Practitioner · Billings, MT
Tish Ann Marie Parker, FNP-C is a nurse practitioner with a practice address in Billings, Montana, and NPI 1023371929, issued on Jun 17, 2012. Check the license (Montana 100354, as entered in NPPES) with the Montana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Tish Ann Marie Parker
- Credential
- FNP-C
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License numbers
- 100354 MT
24873 MT
Self-reported in NPPES; status is on the state search - Practice location
- 602 Henry Chapple St, Billings, MT 59106
- Phone
- (406) 901-2300
- Enumerated
- Jun 17, 2012
- Record last updated
- Jun 21, 2023
- Medicare enrollment
- Enrolled (PECOS I20120810000029); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 287 in Montana → Look up another NPI →
Also registered at 602 Henry Chapple St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Wendy Gomendi, RNFamily Nurse Practitioner1366196446
- Kelsie Groff, APRNNurse Practitioner1194426759
- Kristin Hartman, PASurgical Physician Assistant1962937920
- Lauren Larson, PA-CPhysician Assistant1679353122
- Duane Teerink, D.O.Family Medicine Physician1043255441
Verify Tish Ann Marie Parker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Montana board licenses this profession
Search for license 100354Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.3 times the Medicare Part D claims of the average nurse practitioner in 2024
4,761 Medicare Part D claims for 343 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 326 claims were for opioids.
Most prescribed
- Levothyroxine Sodium247 claims
- Atorvastatin Calcium243 claims
- Gabapentin178 claims
- Amlodipine Besylate130 claims
- Lisinopril129 claims
- Losartan Potassium126 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: $19.50
1 payment: food and beverage; the largest payer was Exact Sciences Corporation. 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.
Bills Medicare through one group practice
- Scl Health Medical Group - Billings LLCBillings, MT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tish Ann Marie Parker among 287 nurse practitioner records in Montana
Tish Ann Marie Parker, FNP-C is one of 287 nurse practitioner records with a practice address in Montana. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 39% of them.
- NPI issued2012 · 39% of these records are older, 60% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2012 · median 2019 among the 185 with a school on file
- Record last updated2023 · 43% 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 Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
72 nurse practitioner records list a practice address in Billings
They are 72 of the 4,035 NPPES records with a practice address in Billings, and 287 nurse practitioner records in Montana.
All 287 in Montana → Every provider in Billings → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Kelsie Groff, APRNBillings, MT 591061194426759
- Cassidy AyalaBillings, MT 591051083354500
- Ann Earley, NURSE PRACTITIONERBillings, MT 591051891462537
- Jacqueline Barton, NPBillings, MT 591021073156956
- Kristen Beck, NPBillings, MT 591021154846798
- Mary Brown, NPBillings, MT 591021477089332
- Claire Buckingham, NPBillings, MT 591021598230724
- Lindsay Cantwell, DNP, FNP-CBillings, MT 591021023608619
Common questions
What is Tish Ann Marie Parker, FNP-C's NPI number?
Tish Ann Marie Parker, FNP-C's National Provider Identifier (NPI) is 1023371929, issued on Jun 17, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Tish Ann Marie Parker, FNP-C located?
The NPPES record lists a practice address at 602 Henry Chapple St, Billings, MT, 59106. Phone: (406) 901-2300. Providers update this record themselves, so call before visiting.
How can I verify Tish Ann Marie Parker, FNP-C's license?
NPPES lists Montana license number 100354, as entered by the provider. Search the Montana board that licenses this profession; the NPPES record confirms identity only.
How much does Tish Ann Marie Parker, FNP-C prescribe under Medicare Part D?
In 2024, Tish Ann Marie Parker, FNP-C had 4,761 Medicare Part D claims for 343 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.