Active NPI 1528035565 Individual Practitioner Male Practitioner

Dr. Allen L. Johnson , MD

Internal Medicine • Sedro Woolley, WA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Allen Johnson, MD is a certified Internal Medicine practicing in Sedro Woolley, WA. With approximately 34 years of clinical experience since graduating from University Of Wisconsin School Of Medicine in 1992, Dr. Johnson delivers high-quality medical care to the local community at 1990 HOSPITAL DR.

Dr. Johnson maintains professional affiliations with Post Acute Medical Pllc, South Sound Inpatient Physicians Pllc, Northwest Hospital Medicine Physicians Llc and accepts Medicare assignment.

Frequently performed procedures and clinical services include routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only, subsequent hospital care with moderate levelof medical decision making, if using time, at least, hospital discharge day management, more than. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1990 Hospital Dr
Suite 200

Sedro Woolley, WA 982849315

Telephone 3608564222

Fax 3608542792

Associated Practice Facility / Clinic

🏢 Skagit Valley Medical Center Facility NPI 1568677227

Medicare Profile & Education

Medical School

University Of Wisconsin School Of Medicine

Graduation Year

1992

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Sedro Woolley, WA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

34 Yrs +16.3 yrs vs City Avg

City Avg: 17.7 Yrs

State Avg: 23.4 Yrs

Regional Practice Density

6 Specialists

Practicing in Sedro Woolley, WA (3169 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

71.9% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Johnson (34 Years) 34 Yrs

Sedro Woolley Specialty Average (17.7 Years) 17.7 Yrs

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
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	735	552	$32.00	$7.91
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	520	267	$324.15	$76.77
99239 Hospital discharge day management, more than 30 minutes	239	226	$475.11	$111.77
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	203	116	$512.75	$113.23
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	144	136	$764.83	$169.02
99306 Initial nursing facility visit, typically 45 minutes per day	28	28	$327.05	$177.90
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	17	15	$182.00	$101.07
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	14	14	$537.00	$127.28

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	410	137	$713.87	$116.94
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	317	158	$462.93	$77.66
99239 Hospital discharge day management, more than 30 minutes	130	120	$683.77	$112.95
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	47	47	$1041.66	$170.67
99306 Initial nursing facility visit, typically 45 minutes per day	27	26	$333.00	$179.58
99291 Critical care, first 30-74 minutes	20	19	$1425.70	$209.11
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes	14	14	$270.00	$151.28

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	771	251	$719.07	$100.63
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	209	101	$484.05	$70.31
99239 Hospital discharge day management, more than 30 minutes	166	155	$738.61	$103.78
99231 Follow-up hospital inpatient care per day, typically 15 minutes	43	12	$272.64	$37.97
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	40	37	$1389.00	$194.55
99226 Subsequent observation care, typically 35 minutes per day	38	27	$712.01	$99.53
99217 Hospital observation care on day of discharge	35	35	$502.44	$70.45
99497 Advance care planning, first 30 minutes	32	28	$546.00	$76.94
99291 Critical care, first 30-74 minutes	23	21	$1536.34	$214.53
99225 Subsequent observation care, typically 25 minutes per day	21	13	$497.00	$69.99

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	894	242	$741.10	$102.75
99239 Hospital discharge day management, more than 30 minutes	152	145	$763.71	$106.41
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	126	50	$512.49	$72.06
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	59	59	$1439.50	$198.44
99497 Advance care planning, first 30 minutes	45	42	$562.59	$78.82
99291 Critical care, first 30-74 minutes	33	31	$1587.72	$220.41
99220 Hospital observation care, typically 70 minutes	27	27	$1318.91	$182.29
99217 Hospital observation care on day of discharge	21	21	$517.52	$72.60
99226 Subsequent observation care, typically 35 minutes per day	16	12	$746.13	$103.61

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	757	236	$741.10	$105.51
99239 Hospital discharge day management, more than 30 minutes	146	138	$763.71	$108.20
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	85	44	$520.56	$73.70
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	82	80	$1439.50	$206.21
99497 Advance care planning, first 30 minutes	68	63	$562.59	$80.31
99220 Hospital observation care, typically 70 minutes	48	48	$1318.91	$186.60
99291 Critical care, first 30-74 minutes	38	37	$1587.72	$225.58
99217 Hospital observation care on day of discharge	24	24	$517.52	$74.39
99213 Established patient office or other outpatient visit, typically 15 minutes	13	13	$97.98	$51.95

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	898	289	$739.92	$103.94
99239 Hospital discharge day management, more than 30 minutes	216	202	$763.71	$107.20
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	108	106	$1439.50	$202.08
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	85	43	$601.24	$72.68
99497 Advance care planning, first 30 minutes	83	74	$460.64	$79.09
99291 Critical care, first 30-74 minutes	49	45	$1587.72	$222.32
99213 Established patient office or other outpatient visit, typically 15 minutes	40	38	$76.00	$51.72
99220 Hospital observation care, typically 70 minutes	35	35	$1318.91	$185.58
99217 Hospital observation care on day of discharge	21	20	$517.52	$73.21

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	848	305	$741.10	$104.22
99239 Hospital discharge day management, more than 30 minutes	225	215	$763.71	$107.61
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	150	92	$512.49	$72.84
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	117	109	$1439.50	$201.55
99497 Advance care planning, first 30 minutes	94	86	$194.70	$79.23
99220 Hospital observation care, typically 70 minutes	64	64	$1318.91	$186.38
99217 Hospital observation care on day of discharge	59	59	$517.52	$73.22
99213 Established patient office or other outpatient visit, typically 15 minutes	55	50	$75.00	$51.30
99291 Critical care, first 30-74 minutes	31	30	$1587.72	$222.38
99226 Subsequent observation care, typically 35 minutes per day	17	17	$746.13	$105.07
99213 Established patient office or other outpatient visit, typically 15 minutes	13	13	$75.00	$52.05
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	12	12	$111.00	$78.74

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	565	215	$736.18	$97.80
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	406	197	$509.32	$67.73
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	191	92	$112.77	$77.73
99239 Hospital discharge day management, more than 30 minutes	189	182	$758.31	$100.75
99213 Established patient office or other outpatient visit, typically 15 minutes	89	63	$74.29	$50.15
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	77	75	$1433.06	$189.65
99497 Advance care planning, first 30 minutes	36	34	$365.73	$72.02
99220 Hospital observation care, typically 70 minutes	30	30	$1310.06	$174.58
99217 Hospital observation care on day of discharge	28	28	$514.32	$68.38
99291 Critical care, first 30-74 minutes	20	20	$1525.61	$208.87
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	20	20	$967.43	$128.26
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	12	11	$33.00	$24.17

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License WA MD00031995

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.

Hospitalist

NUCC Taxonomy Code: 208M00000X

State License WA MD00031995

Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

8181331 (WA)

Medicaid State Provider ID

8205072 (WA)

Hospital & Practice Group Affiliations

South Sound Inpatient Physicians Pllc

407 14th Ave Se, Puyallup, WA 983723770

Phone: 2536974000

Northwest Hospital Medicine Physicians Llc

1211 24th St, Anacortes, WA 982212562

Phone: 3602991300

Post Acute Medical Pllc

911 21st St, Anacortes, WA 982212513

Phone: 8557229700

Post Acute Medical Pllc

1119 26th St, Anacortes, WA 982212776

Phone: 8557229700

South Sound Inpatient Physicians Pllc

1415 E Kincaid St, Mount Vernon, WA 982744126

Phone: 3604244111

Post Acute Medical Pllc

6220 S Alaska St, Tacoma, WA 984081317

Phone: 8778839430

Practice Associates & Co-Workers

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

5 Associated Practitioners

Dr. Karen Hunter , MD

Surgery

NPI 1023022068

Doctor of Medicine (M.D.)

Angela Clements , PA-C

Physician Assistant

NPI 1225369861

Physician Assistant (Certified)

Dr. Peggy Bissell , MD

Internal Medicine

NPI 1447246715

Doctor of Medicine (M.D.)

Rita Webb , FNP

Nurse Practitioner - Family

NPI 1679593453

Family Nurse Practitioner

Dr. Teackle Martin , MD

Internal Medicine

NPI 1699732578

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active July 14, 2015

NPI status registered as active in NPPES database

📍

Updated Practice Location July 14, 2015

Registered at 1990 HOSPITAL DR, SUITE 200, SEDRO WOOLLEY, WA 982849315 (Tel: 3608564222)

📍

Updated Business Mailing Address July 14, 2015

Registered at 1400 E KINCAID ST, ATTN: CREDENTIALING, MOUNT VERNON, WA 982744127 (Tel: 3604282500)

👤

Provider Name / Credentials Updated July 14, 2015

Recorded as ALLEN JOHNSON, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 14, 2015

Internal Medicine (License #MD00031995 in WA)

🟢

Initial NPI Registration & Enumeration March 08, 2006

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: 1528035565

Entity Type:

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

Enumeration Date: March 08, 2006

Last Update: July 14, 2015

Sole Proprietor: No

Update or Correct Profile

Mailing Address

1400 E Kincaid St, Attn: Credentialing

Mount Vernon, WA 982744127

Phone: 3604282500

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.