Active NPI 1457589129 Individual Practitioner Female Practitioner

Dr. Than T. Ma , MD

Internal Medicine • Carmichael, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Than Ma, MD is a certified Internal Medicine practicing in Carmichael, CA. With approximately 24 years of clinical experience since completing medical education in 2002, Dr. Ma delivers high-quality medical care to the local community at 6501 COYLE AVE.

Dr. Ma is affiliated with Dignity Health Medical Foundation and accepts Medicare assignment.

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

6501 Coyle Ave

Carmichael, CA 956080306

Telephone 9165375079

Fax 9169663189

Associated Practice Facility / Clinic

🏢 Lucent Pathology Partners, Inc Facility NPI 1124098736

Medicare Profile & Education

Medical School

Other

Graduation Year

2002

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Carmichael, CA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

24 Yrs -5.5 yrs vs City Avg

City Avg: 29.5 Yrs

State Avg: 26.6 Yrs

Regional Practice Density

37 Specialists

Practicing in Carmichael, CA (18502 Statewide)

Telehealth Adoption Rate

29.7% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

77.9% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Ma (24 Years) 24 Yrs

Carmichael Specialty Average (29.5 Years) 29.5 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
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	382	181	$342.00	$83.76
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	321	195	$493.00	$125.77
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	196	194	$956.00	$183.61
99239 Hospital discharge day management, more than 30 minutes	185	177	$480.96	$122.79
99291 Critical care, first 30-74 minutes	16	16	$1074.00	$222.67

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	358	213	$397.70	$123.72
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	316	161	$282.93	$82.26
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	225	223	$814.18	$179.85
99239 Hospital discharge day management, more than 30 minutes	196	191	$417.00	$119.25
99291 Critical care, first 30-74 minutes	27	27	$1074.00	$219.45

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	474	216	$340.00	$105.09
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	205	94	$240.00	$73.27
99239 Hospital discharge day management, more than 30 minutes	175	168	$417.00	$108.92
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	174	171	$673.61	$203.26
99291 Critical care, first 30-74 minutes	23	23	$1074.00	$223.49
99220 Hospital observation care, typically 70 minutes	23	23	$631.00	$184.23

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	437	194	$340.00	$107.17
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	215	95	$240.00	$74.53
99239 Hospital discharge day management, more than 30 minutes	160	155	$417.00	$110.91
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	156	154	$673.61	$207.68
99220 Hospital observation care, typically 70 minutes	28	28	$631.00	$188.49
99291 Critical care, first 30-74 minutes	25	25	$1074.00	$226.95

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	352	181	$340.00	$109.82
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	196	95	$240.00	$75.84
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	157	156	$673.61	$213.00
99239 Hospital discharge day management, more than 30 minutes	134	129	$417.00	$112.45
99220 Hospital observation care, typically 70 minutes	18	18	$631.00	$194.77
99291 Critical care, first 30-74 minutes	16	16	$1074.00	$231.74
99217 Hospital observation care on day of discharge	14	14	$296.00	$76.85

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	405	175	$240.00	$75.11
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	225	217	$676.35	$209.02
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	189	146	$340.00	$107.49
99239 Hospital discharge day management, more than 30 minutes	169	165	$417.00	$111.63
99220 Hospital observation care, typically 70 minutes	42	42	$631.00	$191.90
99291 Critical care, first 30-74 minutes	29	28	$1074.00	$228.18
99238 Hospital discharge day management, 30 minutes or less	21	20	$290.00	$76.02
99217 Hospital observation care on day of discharge	14	13	$296.00	$76.03

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	566	227	$240.00	$74.37
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	212	206	$677.00	$206.80
99239 Hospital discharge day management, more than 30 minutes	167	164	$417.00	$111.02
99225 Subsequent observation care, typically 25 minutes per day	35	16	$232.00	$74.96
99220 Hospital observation care, typically 70 minutes	34	34	$631.00	$190.60
99291 Critical care, first 30-74 minutes	24	23	$1074.00	$220.61
99217 Hospital observation care on day of discharge	19	19	$296.00	$75.20

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	704	272	$240.00	$72.35
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	221	216	$677.00	$202.17
99239 Hospital discharge day management, more than 30 minutes	205	200	$417.00	$108.33
99220 Hospital observation care, typically 70 minutes	37	36	$631.00	$183.83
99217 Hospital observation care on day of discharge	30	30	$296.00	$73.43
99221 Initial hospital inpatient care per day, typically 30 minutes	27	26	$386.00	$101.03
99225 Subsequent observation care, typically 25 minutes per day	22	18	$232.00	$73.25
99291 Critical care, first 30-74 minutes	21	21	$1074.00	$222.07
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	11	11	$340.00	$104.54

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License CA A110909

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 FL ME104053

Hospital & Practice Group Affiliations

Dignity Health Medical Foundation

6555 Coyle Ave, Carmichael, CA 956080302

Phone: 9165363540

Practice Associates & Co-Workers

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

21 Associated Practitioners

Dr. Harith Al-Shuwaykh , MD

Hospitalist

NPI 1053604918

Doctor of Medicine (M.D.)

Dr. Syed Haider , MD

Hospitalist

NPI 1063520120

Doctor of Medicine (M.D.)

Dr. Leena Mehta , MD

Internal Medicine

NPI 1295001444

Doctor of Medicine (M.D.)

Dr. Kimberly Guenther , DO

Hospitalist

NPI 1336470509

Doctor of Osteopathic Medicine (D.O.)

Dr. Mei Qiang , MD

Hospitalist

NPI 1346573136

Doctor of Medicine (M.D.)

Dr. Alexander Mallari , MD

Hospitalist

NPI 1407005168

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 December 20, 2013

NPI status registered as active in NPPES database

📍

Updated Practice Location December 20, 2013

Registered at 6501 COYLE AVE, CARMICHAEL, CA 956080306 (Tel: 9165375079)

📍

Updated Business Mailing Address December 20, 2013

Registered at 3400 DATA DR, PHYSICIAN SUPPORT SERVICES, RANCHO CORDOVA, CA 956707956 (Tel: 9163792948)

👤

Provider Name / Credentials Updated December 20, 2013

Recorded as THAN MA, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) December 20, 2013

Internal Medicine (License #A110909 in CA)

🟢

Initial NPI Registration & Enumeration July 01, 2009

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: 1457589129

Entity Type:

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

Enumeration Date: July 01, 2009

Last Update: December 20, 2013

Sole Proprietor: No

Update or Correct Profile

Mailing Address

3400 Data Dr, Physician Support Services

Rancho Cordova, CA 956707956

Phone: 9163792948

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.