Deactivated NPI 1336112622 Deactivated / Inactive NPI Male Practitioner

Dr. Thomas Baker Day , MD

Specialist • Baltimore, MD

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Notice of NPI Deactivation & Inactive Practice Status

According to official public domain records published by CMS (Centers for Medicare & Medicaid Services) in the National Provider Identifier (NPPES) Registry, Dr. Thomas Day has officially deactivated this NPI record and ceased active healthcare practice.

Registration / Start Date February 08, 2006

NPI Deactivation Date June 11, 2026

Total Practice Duration ~20 Years of Practice (2006 – 2026)

Professional Overview & Biography Verified Profile Summary

Dr. Thomas Day, MD was a registered Specialist practicing in Baltimore, MD. Throughout an active medical career spanning 20 years, Dr. Day provided care at the practice location at 4000 W NORTHERN PARKWAY until profile deactivation on 2026-06-11.

Historical Medicare Part B clinical services included established patient outpatient office visit, destruction of up to 14 skin growths, injection into skin growth, more than 7 growths. Public procedure reimbursement records and service volume details are provided below for historical transparency.

Practice Location & Contact Primary Location

Practice Address

4000 W Northern Parkway

Baltimore, MD 212154473

Telephone 4104660184

Fax 4106640027

Specialty Benchmarks & Practice Insights

Comparative analytics for Specialist in Baltimore, MD

Active Practitioner

Practitioner Clinical Experience

Active

City Avg: 38.1 Yrs

State Avg: 36.9 Yrs

Regional Practice Density

231 Specialists

Practicing in Baltimore, MD (1034 Statewide)

Telehealth Adoption Rate

8.2% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

54.3% 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	319	212	$190.00	$88.51
17110 Destruction of up to 14 skin growths	138	111	$240.00	$112.48
11901 Injection into skin growth, more than 7 growths	95	67	$150.00	$60.08
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	93	82	$270.00	$125.31
17111 Destruction of skin growth, 15 or more growths	57	38	$280.00	$130.47
11900 Injection into skin growth, 1-7 growths	18	16	$120.00	$50.26
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	15	15	$235.00	$111.21

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	668	275	$190.00	$94.21
11901 Injection into skin growth, more than 7 growths	268	129	$150.00	$65.09
17110 Destruction of up to 14 skin growths	238	138	$240.00	$120.77
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	196	156	$270.00	$133.51
17111 Destruction of skin growth, 15 or more growths	123	62	$280.00	$139.66
11900 Injection into skin growth, 1-7 growths	44	39	$120.00	$58.61
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	23	23	$235.00	$118.99

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	740	301	$190.00	$97.27
11901 Injection into skin growth, more than 7 growths	274	134	$150.00	$66.92
17110 Destruction of up to 14 skin growths	233	142	$240.00	$124.32
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	81	72	$270.00	$135.90
17111 Destruction of skin growth, 15 or more growths	73	39	$280.00	$146.30
11900 Injection into skin growth, 1-7 growths	54	49	$120.00	$56.40
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	25	25	$235.00	$121.35
10040 Acne surgery	18	15	$250.00	$128.12

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	797	300	$112.46	$92.37
11901 Injection into skin growth, more than 7 growths	289	135	$106.41	$67.28
17110 Destruction of up to 14 skin growths	237	146	$159.37	$125.87
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	60	57	$164.08	$122.85
17111 Destruction of skin growth, 15 or more growths	45	28	$185.56	$147.53
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	36	36	$211.94	$119.04
11900 Injection into skin growth, 1-7 growths	32	31	$79.38	$57.39

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	845	357	$90.00	$78.27
11901 Injection into skin growth, more than 7 growths	397	181	$96.00	$59.73
17110 Destruction of up to 14 skin growths	373	213	$135.00	$119.05
17111 Destruction of skin growth, 15 or more growths	49	36	$155.00	$139.30
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	47	44	$110.00	$106.13
11900 Injection into skin growth, 1-7 growths	35	33	$70.00	$50.72
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	33	33	$203.33	$110.64
10040 Acne surgery	14	12	$108.00	$100.51

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	1,201	436	$90.00	$76.95
11901 Injection into skin growth, more than 7 growths	498	220	$96.00	$63.96
17110 Destruction of up to 14 skin growths	408	211	$135.00	$117.08
17111 Destruction of skin growth, 15 or more growths	76	53	$155.00	$138.31
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	51	51	$205.00	$112.55
11900 Injection into skin growth, 1-7 growths	38	34	$70.00	$49.61
10040 Acne surgery	26	19	$108.00	$92.69
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	19	18	$85.00	$46.90

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	1,096	416	$90.00	$75.71
11901 Injection into skin growth, more than 7 growths	539	215	$96.00	$62.53
17110 Destruction of up to 14 skin growths	437	226	$135.00	$118.66
17111 Destruction of skin growth, 15 or more growths	85	55	$155.00	$140.29
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	65	65	$205.00	$112.49
10040 Acne surgery	27	19	$108.00	$97.57
11900 Injection into skin growth, 1-7 growths	20	13	$70.00	$49.00

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	1,174	411	$90.00	$75.38
11901 Injection into skin growth, more than 7 growths	502	212	$96.00	$62.73
17110 Destruction of up to 14 skin growths	333	198	$135.00	$116.49
17111 Destruction of skin growth, 15 or more growths	161	89	$155.00	$137.97
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	55	55	$205.00	$111.86
10040 Acne surgery	35	24	$108.00	$98.85
11900 Injection into skin growth, 1-7 growths	26	15	$70.00	$48.34

Medical Specialties & State Licenses

Specialist Primary Specialty

NUCC Taxonomy Code: 174400000X

State License MD D0019058

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

Career & Practice History Timeline

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

10 Historical Events

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NPI Profile Deactivated June 11, 2026

Record deactivated on June 11, 2026

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Updated Practice Location June 10, 2019

Registered at 7001 JOHNNYCAKE RD STE 104, WINDSOR MILL, MD 21244 (Tel: 4107474711)

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Updated Business Mailing Address June 10, 2019

Registered at PO BOX 47756, WINDSOR MILL, MD 212440756 (Tel: 4107474711)

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Medical Taxonomy / Specialty Registered (Primary Specialty) June 10, 2019

Dermatology (License #D0019058 in MD)

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NPI Profile Active January 08, 2008

NPI status registered as active in NPPES database

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Updated Practice Location January 08, 2008

Registered at 4000 W NORTHERN PARKWAY, BALTIMORE, MD 212154473 (Tel: 4104660184)

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Updated Business Mailing Address January 08, 2008

Registered at PO BOX 2670, 4000 W NORTHERN PARKWAY, BALTIMORE, MD 212154473 (Tel: 4104660184)

👤

Provider Name / Credentials Updated January 08, 2008

Recorded as THOMAS DAY, MD

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Medical Taxonomy / Specialty Registered (Primary Specialty) January 08, 2008

Specialist (License #D0019058 in MD)

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Initial NPI Registration & Enumeration February 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: 1336112622

Entity Type:

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

Enumeration Date: February 08, 2006

Last Update: January 08, 2008

Deactivation Date: June 11, 2026

Update or Correct Profile

Mailing Address

Po Box 2670, 4000 W Northern Parkway

Baltimore, MD 212154473

Phone: 4104660184

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.