Active NPI 1891791232 Individual Practitioner Male Practitioner

Dr. Clark O. Parrish , MD

Internal Medicine • Bellingham, WA

Professional Overview & Biography Verified Profile Summary

Dr. Clark Parrish, MD is a registered healthcare professional specializing in Internal Medicine in Bellingham, WA. Practice services are available at 4545 CORDATA PKWY under active NPI credentials.

Frequently performed procedures and clinical services include established patient outpatient office visit, visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's, automated urinalysis test. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

4545 Cordata Pkwy

Bellingham, WA 982267123

Telephone 3607382200

Fax 3607152486

Associated Practice Facility / Clinic

🏢 Madrona Medical Group, P.s. Facility NPI 1659362143

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Bellingham, WA

Active Practitioner

Practitioner Clinical Experience

Active

City Avg: 20.9 Yrs

State Avg: 23.4 Yrs

Regional Practice Density

86 Specialists

Practicing in Bellingham, WA (3169 Statewide)

Telehealth Adoption Rate

17.4% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

60.8% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	97	96	$222.29	$90.56
G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's	57	57	$50.00	$16.18

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	120	117	$243.00	$89.65

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	32	32	$243.00	$92.42

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	55	55	$243.00	$93.16

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	19	18	$192.05	$75.67

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	218	203	$188.58	$75.87
81003 Automated urinalysis test	19	18	$24.26	$2.44

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	152	133	$179.00	$73.56
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	128	115	$264.00	$108.76
83036 Hemoglobin A1C level	37	36	$21.12	$11.75
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	30	30	$286.00	$117.08
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	25	25	$145.00	$44.50
17000 Destruction of skin growth	16	16	$164.00	$67.37
81003 Automated urinalysis test	11	11	$16.09	$2.71

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	469	314	$177.90	$72.45
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	396	223	$263.01	$106.71
83036 Hemoglobin A1C level	133	92	$20.00	$13.05
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	127	121	$145.00	$43.51
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	122	122	$285.34	$115.03
90688 Vaccine for influenza for administration into muscle, 0.5 ml dosage	113	111	$34.00	$17.48
G0008 Administration of influenza virus vaccine	112	110	$62.00	$25.46
17000 Destruction of skin growth	50	42	$161.96	$66.51
17003 Destruction of precancer skin growth, 2-14 growths	44	14	$13.45	$5.59
G0009 Administration of pneumococcal vaccine	38	38	$62.00	$25.46
69209 Removal of impacted ear wax by washing	26	22	$36.37	$14.01
99496 Transitional care management services for problem of high complexity	25	24	$566.44	$229.67
J1040 Injection, methylprednisolone acetate, 80 mg	24	23	$29.00	$11.16
93000 Routine ekg using at least 12 leads including interpretation and report	24	23	$42.00	$16.46
20610 Aspiration and/or injection of fluid from large joint	24	23	$149.25	$58.59
90670 Pneumococcal vaccine for injection into muscle	23	23	$185.75	$180.63
81003 Automated urinalysis test	18	16	$11.00	$3.02
17110 Destruction of up to 14 skin growths	16	15	$271.88	$111.47
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	15	15	$67.00	$65.66
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	13	13	$421.00	$169.62
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	11	11	$408.64	$164.63

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License WA MD00024849

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Internal Medicine

NUCC Taxonomy Code: 207R00000X

State License OR MD188136

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

1032549 (WA)

Medicaid State Provider ID

1891791232 (WA)

Commercial Insurance / Payer ID Aetna

4587184 (WA)

Commercial Insurance / Payer ID Regence

12304 (WA)

Commercial Insurance / Payer ID L&i And Crime Victims

0230044 (WA)

Secondary Practice Locations

390 9th St

Florence, OR 974399470

Phone: 5419977134

1117 Spring St

Friday Harbor, WA 982509782

Phone: 3603782141

1990 Hospital Dr Ste 200

Sedro Woolley, WA 982849315

Phone: 3608568810

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners

Melanie Hartley , ARNP

Nurse Practitioner - Pediatrics, Critical Care

NPI 1003193632

Advanced Registered Nurse Practitioner

Dr. Leslie Houck , MD

Obstetrics & Gynecology - Gynecology

NPI 1033108360

Doctor of Medicine (M.D.)

Joan Cervisi , ARNP

Nurse Practitioner - Pediatrics

NPI 1073656708

Advanced Registered Nurse Practitioner

Sukhjit Shergill

Internal Medicine

NPI 1073882395

Dr. Diana Guza-Wells , MD

Internal Medicine

NPI 1083664049

Doctor of Medicine (M.D.)

Radu Ivan , ARNP

Nurse Practitioner - Adult Health

NPI 1093056046

Advanced Registered Nurse Practitioner

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events

✅

NPI Profile Active November 19, 2010

NPI status registered as active in NPPES database

📍

Updated Practice Location November 19, 2010

Registered at 4545 CORDATA PKWY, BELLINGHAM, WA 982267123 (Tel: 3607382200)

📍

Updated Business Mailing Address November 19, 2010

Registered at PO BOX 5096, BELLINGHAM, WA 982275096 (Tel: 3607382200)

👤

Provider Name / Credentials Updated November 19, 2010

Recorded as CLARK PARRISH, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) November 19, 2010

Internal Medicine (License #MD00024849 in WA)

🟢

Initial NPI Registration & Enumeration June 21, 2005

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1891791232

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: June 21, 2005

Last Update: March 29, 2019

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 5096

Bellingham, WA 982275096

Phone: 3607382200

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.