Active NPI 1235115635 Individual Practitioner Male Practitioner

Dr. Thomas Byron Alan , MD

Internal Medicine • Davis, CA

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Thomas Alan, MD is a certified Internal Medicine practicing in Davis, CA. With approximately 30 years of clinical experience since graduating from Creighton University School Of Medicine in 1996, Dr. Alan delivers high-quality medical care to the local community at 2660 W COVELL BLVD.

Dr. Alan is affiliated with Regents Of The University Of California and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include established patient outpatient office visit, annual wellness visit, includes a personalized prevention plan of service (pps), subsequent 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. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

2660 W Covell Blvd
Suite A

Davis, CA 956165645

Telephone 5307473000

Fax 5307473080

Associated Practice Facility / Clinic

🏢 Regents Of The University Of California Facility NPI 1912987553

Medicare Profile & Education

Medical School

Creighton University School Of Medicine

Graduation Year

1996

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Davis, CA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

30 Yrs +7.3 yrs vs City Avg

City Avg: 22.7 Yrs

State Avg: 26.6 Yrs

Regional Practice Density

34 Specialists

Practicing in Davis, CA (18502 Statewide)

Telehealth Adoption Rate

32.4% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

77.5% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Alan (30 Years) 30 Yrs

Davis Specialty Average (22.7 Years) 22.7 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
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	596	336	$502.00	$96.90
99213 Established patient office or other outpatient visit, typically 15 minutes	523	372	$354.00	$77.55
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	96	96	$487.00	$50.21
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	92	83	$59.00	$16.87
G0008 Administration of influenza virus vaccine	81	77	$102.00	$34.15
90662 Influenza vaccine split virus, preservative free	80	76	$172.14	$80.09
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	58	14	$17.00	$0.99
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	24	24	$220.00	$59.98
G0009 Administration of pneumococcal vaccine	19	19	$102.00	$34.15
93005 Routine electrocardiogram (ecg) using at least 12 leads with tracing	17	16	$64.00	$7.01
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use	15	15	$1071.54	$289.63
81003 Automated urinalysis test	13	12	$16.00	$2.20
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	12	11	$699.00	$121.17
20610 Aspiration and/or injection of fluid from large joint	11	11	$329.45	$71.68

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	595	321	$502.00	$93.89
99213 Established patient office or other outpatient visit, typically 15 minutes	454	341	$354.00	$79.41
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	101	101	$487.00	$54.51
G0008 Administration of influenza virus vaccine	95	94	$102.00	$32.95
90662 Influenza vaccine split virus, preservative free	92	91	$152.97	$71.75
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	51	13	$17.00	$1.08
G0009 Administration of pneumococcal vaccine	37	37	$102.00	$32.95
93005 Routine electrocardiogram (ecg) using at least 12 leads with tracing	31	28	$64.00	$7.03
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use	25	25	$1233.00	$282.12
69209 Removal of impacted ear wax by washing	23	22	$68.09	$21.42
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	16	16	$220.00	$62.40
20610 Aspiration and/or injection of fluid from large joint	13	11	$302.00	$68.90
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	12	12	$301.92	$130.80

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	535	292	$486.07	$96.34
99213 Established patient office or other outpatient visit, typically 15 minutes	410	299	$344.63	$78.53
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	109	109	$487.00	$55.34
G0008 Administration of influenza virus vaccine	104	102	$101.81	$31.13
90662 Influenza vaccine split virus, preservative free	99	97	$117.80	$67.02
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	64	13	$17.00	$1.13
G0009 Administration of pneumococcal vaccine	44	44	$99.91	$31.60
69209 Removal of impacted ear wax by washing	35	34	$58.00	$19.69
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	25	25	$257.00	$132.03
20610 Aspiration and/or injection of fluid from large joint	24	18	$287.42	$69.91
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	23	21	$77.04	$41.92
93005 Routine electrocardiogram (ecg) using at least 12 leads with tracing	20	20	$64.00	$6.21
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	18	18	$213.89	$63.37
81003 Automated urinalysis test	16	13	$11.44	$2.22
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	15	11	$99.87	$14.82
90670 Pneumococcal vaccine for injection into muscle	11	11	$515.00	$252.49

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	568	279	$429.01	$134.92
99213 Established patient office or other outpatient visit, typically 15 minutes	256	193	$299.43	$96.02
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	198	179	$75.00	$24.72
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	92	92	$445.49	$140.87
G0008 Administration of influenza virus vaccine	68	68	$95.97	$18.27
90662 Influenza vaccine split virus, preservative free	66	66	$111.18	$64.89
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	54	12	$17.00	$1.25
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	33	21	$89.82	$15.15
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	30	30	$606.67	$176.85
93005 Routine electrocardiogram (ecg) using at least 12 leads with tracing	29	29	$53.69	$7.05
G0009 Administration of pneumococcal vaccine	28	28	$52.36	$18.23
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	26	26	$194.88	$124.07
69209 Removal of impacted ear wax by washing	24	23	$58.54	$17.53
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg	24	12	$17.00	$2.00
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	21	21	$178.52	$58.79
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	18	18	$406.33	$117.05
87636 Detection test by multiplex amplified probe technique for severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (covid-19) and influenza virus types a and b	13	13	$270.00	$147.98

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	469	232	$366.26	$113.66
99213 Established patient office or other outpatient visit, typically 15 minutes	201	154	$247.35	$77.52
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	78	16	$17.00	$1.45
G0008 Administration of influenza virus vaccine	73	71	$29.00	$17.89
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	69	69	$359.71	$123.51
90662 Influenza vaccine split virus, preservative free	61	59	$53.00	$52.04
G0009 Administration of pneumococcal vaccine	51	51	$27.00	$17.79
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	36	36	$162.00	$118.37
69209 Removal of impacted ear wax by washing	21	19	$37.14	$15.80
20610 Aspiration and/or injection of fluid from large joint	19	14	$249.00	$64.13
93005 Routine electrocardiogram (ecg) using at least 12 leads with tracing	18	17	$51.00	$9.23
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	17	17	$569.12	$173.44
90670 Pneumococcal vaccine for injection into muscle	16	16	$296.00	$203.38
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	15	14	$39.00	$16.97
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	11	11	$75.00	$25.15

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	604	273	$355.00	$112.81
99213 Established patient office or other outpatient visit, typically 15 minutes	261	184	$238.00	$78.18
G0008 Administration of influenza virus vaccine	120	119	$29.00	$17.55
G0009 Administration of pneumococcal vaccine	105	102	$27.00	$17.55
90662 Influenza vaccine split virus, preservative free	102	101	$53.00	$51.94
90670 Pneumococcal vaccine for injection into muscle	78	78	$296.00	$205.36
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	78	16	$17.00	$1.59
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	77	77	$333.00	$123.46
93005 Routine electrocardiogram (ecg) using at least 12 leads with tracing	36	36	$51.00	$9.24
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	30	26	$479.00	$151.21
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	28	28	$162.00	$110.12
20610 Aspiration and/or injection of fluid from large joint	21	16	$260.86	$63.08
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	18	18	$39.00	$18.65
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	17	17	$544.00	$172.36
81002 Urinalysis, manual test	16	13	$11.00	$3.41
69209 Removal of impacted ear wax by washing	15	14	$34.00	$16.57

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	495	250	$340.13	$110.84
99213 Established patient office or other outpatient visit, typically 15 minutes	328	231	$225.96	$75.10
G0008 Administration of influenza virus vaccine	148	145	$29.00	$21.52
90662 Influenza vaccine split virus, preservative free	122	119	$53.00	$50.99
G0009 Administration of pneumococcal vaccine	86	86	$26.56	$21.67
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	68	14	$17.00	$1.80
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	52	52	$162.00	$103.56
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	49	49	$318.31	$121.75
90670 Pneumococcal vaccine for injection into muscle	36	36	$296.00	$194.41
93005 Routine electrocardiogram (ecg) using at least 12 leads with tracing	31	29	$49.32	$9.07
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	27	27	$39.00	$18.65
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	27	27	$524.04	$170.40
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	25	12	$78.80	$20.60
20610 Aspiration and/or injection of fluid from large joint	19	14	$236.26	$62.42
69209 Removal of impacted ear wax by washing	18	17	$30.00	$15.24
81003 Automated urinalysis test	17	15	$11.00	$2.71
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	11	11	$333.64	$112.47

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	491	237	$309.30	$110.12
99213 Established patient office or other outpatient visit, typically 15 minutes	332	205	$206.04	$74.69
G0008 Administration of influenza virus vaccine	115	113	$28.87	$26.79
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	67	66	$38.70	$18.37
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	52	11	$16.08	$1.81
90662 Influenza vaccine split virus, preservative free	48	48	$53.00	$48.05
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	36	36	$288.22	$119.98
G0009 Administration of pneumococcal vaccine	33	33	$24.15	$23.67
81003 Automated urinalysis test	26	26	$10.58	$3.02
90670 Pneumococcal vaccine for injection into muscle	22	22	$280.05	$184.15
20610 Aspiration and/or injection of fluid from large joint	17	12	$214.65	$62.05
69209 Removal of impacted ear wax by washing	13	13	$29.08	$13.11
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	11	11	$160.64	$96.87

Medical Specialties & State Licenses

CMS Verified: 2020-06-12

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License CA A85006

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.

Family Medicine

NUCC Taxonomy Code: 207Q00000X

State License CA A08506

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

Hospital & Practice Group Affiliations

Regents Of The University Of California

3160 Folsom Blvd, Sacramento, CA 958165267

Phone: 9167347777

Practice Associates & Co-Workers

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

25 Associated Practitioners

Dr. Mychall Raymond Pagulayan-Sy , MD

Internal Medicine

NPI 1063075695

Doctor of Medicine (M.D.)

Dr. Sabrina Thompson , MD

Family Medicine

NPI 1134414600

Doctor of Medicine (M.D.)

Dr. Ronnie Sprinkle , MD

Family Medicine

NPI 1154306827

Doctor of Medicine (M.D.)

Dr. Ryan Woodman , DO

Internal Medicine - Endocrinology, Diabetes & Metabolism

NPI 1184988644

Doctor of Osteopathic Medicine (D.O.)

Dr. Jacob Dima , DO

Family Medicine

NPI 1205152295

Doctor of Osteopathic Medicine (D.O.)

Dr. Karen Mo , MD

Family Medicine

NPI 1326023086

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 April 19, 2011

NPI status registered as active in NPPES database

📍

Updated Practice Location April 19, 2011

Registered at 2660 W COVELL BLVD, SUITE A, DAVIS, CA 956165645 (Tel: 5307473000)

📍

Updated Business Mailing Address April 19, 2011

Registered at 2660 W COVELL BLVD, SUITE A, DAVIS, CA 956165645 (Tel: 5307473000)

👤

Provider Name / Credentials Updated April 19, 2011

Recorded as THOMAS ALAN, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) April 19, 2011

Family Medicine (License #A08506 in CA)

🟢

Initial NPI Registration & Enumeration December 16, 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: 1235115635

Entity Type:

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

Enumeration Date: December 16, 2005

Last Update: June 12, 2020

Sole Proprietor: No

Update or Correct Profile

Mailing Address

2660 W Covell Blvd, Suite A

Davis, CA 956165645

Phone: 5307473000

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.