Active NPI 1003879438 Individual Practitioner Male Practitioner

Dr. Mark C Adrian , MD

Internal Medicine • La Jolla, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Mark Adrian, MD is a certified Internal Medicine practicing in La Jolla, CA. With approximately 34 years of clinical experience since graduating from Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc) in 1992, Dr. Adrian delivers high-quality medical care to the local community at 9850 GENESEE AVE.

Dr. Adrian maintains professional affiliations with Scripps Health Inpatient Providers Medical Group Inc, Ximed Hospitalists, Inc. and accepts Medicare assignment.

Frequently performed procedures and clinical services include initial hospital care with moderate level of medical decision making, if using time, at least, 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

9850 Genesee Ave
Suite 355

La Jolla, CA 920371224

Telephone 8582020011

Associated Practice Facility / Clinic

🏢 Rhona H. Fink, Md & Julie A. Papatheofanis, Md Facility NPI 1073514915

Medicare Profile & Education

Medical School

Rutgers R W Johnson Medical School (Cam/new Bruns/pisc)

Graduation Year

1992

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in La Jolla, CA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

34 Yrs +13.7 yrs vs City Avg

City Avg: 20.3 Yrs

State Avg: 26.6 Yrs

Regional Practice Density

170 Specialists

Practicing in La Jolla, CA (18502 Statewide)

Telehealth Adoption Rate

30.6% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

57.6% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Adrian (34 Years) 34 Yrs

La Jolla Specialty Average (20.3 Years) 20.3 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
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	491	476	$434.68	$175.95
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	364	122	$263.47	$120.38
99239 Hospital discharge day management, more than 30 minutes	54	52	$279.28	$117.73

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	523	499	$437.28	$179.45
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	402	120	$264.79	$122.98
99239 Hospital discharge day management, more than 30 minutes	68	65	$279.28	$118.34
99213 Established patient office or other outpatient visit, typically 15 minutes	17	12	$95.00	$93.65

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	471	445	$435.70	$205.81
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	294	103	$263.95	$106.50
99239 Hospital discharge day management, more than 30 minutes	68	66	$279.40	$109.69
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	17	15	$145.00	$138.54
99213 Established patient office or other outpatient visit, typically 15 minutes	13	11	$95.00	$94.53

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	454	434	$432.91	$209.34
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	230	89	$259.00	$108.00
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	55	22	$182.27	$75.12
99239 Hospital discharge day management, more than 30 minutes	38	36	$280.26	$112.16
99213 Established patient office or other outpatient visit, typically 15 minutes	20	15	$95.00	$95.00
99238 Hospital discharge day management, 30 minutes or less	12	12	$188.22	$76.13

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	406	379	$423.48	$212.60
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	171	97	$226.14	$109.62
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	146	49	$160.74	$76.06
99238 Hospital discharge day management, 30 minutes or less	37	37	$182.36	$77.14
99239 Hospital discharge day management, more than 30 minutes	26	26	$265.47	$113.61
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	21	12	$145.00	$116.80

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	370	362	$424.48	$207.19
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	331	185	$223.41	$106.68
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	248	86	$158.84	$74.61
99239 Hospital discharge day management, more than 30 minutes	78	77	$247.87	$110.97
99238 Hospital discharge day management, 30 minutes or less	59	58	$180.39	$75.56
99213 Established patient office or other outpatient visit, typically 15 minutes	56	31	$95.00	$78.29
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	35	21	$145.00	$114.59
99231 Follow-up hospital inpatient care per day, typically 15 minutes	29	13	$73.61	$40.27
99220 Hospital observation care, typically 70 minutes	14	14	$360.00	$190.63

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	332	326	$424.56	$206.35
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	258	144	$222.79	$108.88
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	169	64	$158.16	$77.67
99239 Hospital discharge day management, more than 30 minutes	81	78	$242.03	$111.75
99213 Established patient office or other outpatient visit, typically 15 minutes	60	32	$95.00	$72.40
99238 Hospital discharge day management, 30 minutes or less	51	50	$178.60	$79.52
99231 Follow-up hospital inpatient care per day, typically 15 minutes	31	11	$74.08	$42.43
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	19	14	$145.00	$106.43
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	14	13	$100.00	$91.79

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	326	318	$449.67	$205.46
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	290	176	$244.81	$105.15
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	277	111	$174.14	$72.78
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	96	69	$99.11	$93.88
99239 Hospital discharge day management, more than 30 minutes	86	85	$253.49	$109.16
99213 Established patient office or other outpatient visit, typically 15 minutes	83	44	$95.00	$73.54
99238 Hospital discharge day management, 30 minutes or less	79	76	$187.37	$73.33
99306 Initial nursing facility visit, typically 45 minutes per day	79	72	$175.00	$170.84
99231 Follow-up hospital inpatient care per day, typically 15 minutes	60	17	$78.52	$39.75
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes	58	49	$75.00	$70.95
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	23	16	$145.00	$107.74
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	17	12	$85.00	$44.07
99220 Hospital observation care, typically 70 minutes	16	16	$376.50	$189.92

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License CA G78895

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.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

00G788950 (CA)

Hospital & Practice Group Affiliations

Scripps Health Inpatient Providers Medical Group Inc

4077 5th Ave, San Diego, CA 921032105

Phone: 6192948111

Ximed Hospitalists, Inc.

9888 Genesee Ave, La Jolla, CA 920371205

Phone: 8584574123

Practice Associates & Co-Workers

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

1 Associated Practitioners

Dr. Bruce Covner , MD

Internal Medicine

NPI 1720072192

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 September 21, 2010

NPI status registered as active in NPPES database

📍

Updated Practice Location September 21, 2010

Registered at 9850 GENESEE AVE, SUITE 355, LA JOLLA, CA 920371224 (Tel: 8582020011)

📍

Updated Business Mailing Address September 21, 2010

Registered at 9850 GENESEE AVE, SUITE 355, LA JOLLA, CA 920371224 (Tel: 8582020011)

👤

Provider Name / Credentials Updated September 21, 2010

Recorded as MARK ADRIAN, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) September 21, 2010

Internal Medicine (License #G78895 in CA)

🟢

Initial NPI Registration & Enumeration April 07, 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: 1003879438

Entity Type:

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

Enumeration Date: April 07, 2006

Last Update: September 21, 2010

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

9850 Genesee Ave, Suite 355

La Jolla, CA 920371224

Phone: 8582020011

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.