Active NPI 1982753703 Individual Practitioner Male Practitioner

Dr. Christopher Wesley Baker , MD

Orthopaedic Surgery • Concord, MA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Christopher Baker, MD is a certified Orthopaedic Surgery practicing in Concord, MA. With approximately 23 years of clinical experience since graduating from Boston University School Of Medicine in 2003, Dr. Baker delivers high-quality medical care to the local community at 54 BAKER AVENUE EXT STE 200.

Dr. Baker is affiliated with Orthopedic Affiliates Inc and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, x-ray of foot, minimum of 3 views, x-ray of ankle, minimum of 3 views. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

54 Baker Avenue Ext Ste 200

Concord, MA 017422137

Telephone 9783695391

Fax 9783697661

Associated Practice Facility / Clinic

🏢 Orthopedic Affiliates Inc Facility NPI 1891861050

Medicare Profile & Education

Medical School

Boston University School Of Medicine

Graduation Year

2003

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Orthopaedic Surgery in Concord, MA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

23 Yrs -5.2 yrs vs City Avg

City Avg: 28.2 Yrs

State Avg: 28.0 Yrs

Regional Practice Density

9 Specialists

Practicing in Concord, MA (746 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

70.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Baker (23 Years) 23 Yrs

Concord Specialty Average (28.2 Years) 28.2 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
99213 Established patient office or other outpatient visit, typically 15 minutes	250	160	$275.12	$96.83
73630 X-ray of foot, minimum of 3 views	111	85	$126.09	$42.19
73610 X-ray of ankle, minimum of 3 views	98	73	$122.29	$40.02
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	86	86	$468.60	$117.61
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	48	41	$438.54	$135.79
20610 Aspiration and/or injection of fluid from large joint	13	12	$272.31	$72.83

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	308	180	$220.00	$99.54
73630 X-ray of foot, minimum of 3 views	179	109	$105.66	$43.13
73610 X-ray of ankle, minimum of 3 views	121	79	$94.89	$44.58
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	59	59	$350.00	$123.31
J1040 Injection, methylprednisolone acetate, 80 mg	19	13	$40.00	$11.65
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	16	16	$340.00	$140.52
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	16	16	$460.00	$181.87
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	12	12	$300.00	$118.04

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	337	193	$220.00	$98.75
73630 X-ray of foot, minimum of 3 views	160	93	$99.84	$39.74
73610 X-ray of ankle, minimum of 3 views	145	86	$92.77	$43.83
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	52	52	$350.00	$125.15
J1040 Injection, methylprednisolone acetate, 80 mg	27	11	$34.07	$10.64
73502 X-ray of hip, 2-3 views	21	11	$220.95	$53.55
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	16	16	$340.00	$142.87
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	15	15	$300.00	$137.52

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	470	239	$220.00	$101.61
73610 X-ray of ankle, minimum of 3 views	158	90	$94.33	$45.14
73630 X-ray of foot, minimum of 3 views	154	106	$107.93	$43.86
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	70	70	$350.00	$124.87
J1040 Injection, methylprednisolone acetate, 80 mg	39	18	$16.92	$10.48
73502 X-ray of hip, 2-3 views	20	11	$232.00	$56.32
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	19	17	$340.00	$147.52
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	13	13	$300.00	$148.92

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	379	204	$220.00	$84.80
73630 X-ray of foot, minimum of 3 views	174	109	$101.38	$39.95
73610 X-ray of ankle, minimum of 3 views	136	80	$97.32	$43.02
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	66	66	$350.00	$122.44
J1040 Injection, methylprednisolone acetate, 80 mg	27	20	$20.00	$11.58
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	24	23	$525.00	$223.00
73502 X-ray of hip, 2-3 views	22	12	$224.36	$51.77
28470 Closed treatment of broken foot bone	14	13	$600.00	$230.48
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	13	13	$300.00	$153.02

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	533	273	$220.00	$81.75
73630 X-ray of foot, minimum of 3 views	199	132	$105.88	$38.89
73610 X-ray of ankle, minimum of 3 views	165	101	$93.67	$39.20
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	88	88	$350.00	$121.28
J1040 Injection, methylprednisolone acetate, 80 mg	26	19	$20.00	$11.18
73502 X-ray of hip, 2-3 views	25	13	$232.00	$50.06
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	20	20	$525.00	$220.21
28470 Closed treatment of broken foot bone	13	13	$600.00	$243.84

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	523	269	$216.82	$79.82
73630 X-ray of foot, minimum of 3 views	297	117	$74.18	$24.92
73610 X-ray of ankle, minimum of 3 views	257	92	$63.29	$24.74
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	54	54	$350.00	$119.53
73502 X-ray of hip, 2-3 views	42	14	$182.29	$37.45
J1040 Injection, methylprednisolone acetate, 80 mg	40	22	$16.70	$12.96
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	22	22	$525.00	$218.74
28470 Closed treatment of broken foot bone	14	13	$600.00	$251.40

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	479	257	$173.42	$78.55
73630 X-ray of foot, minimum of 3 views	405	119	$54.06	$17.87
73610 X-ray of ankle, minimum of 3 views	245	77	$49.87	$18.36
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	87	87	$299.89	$116.43
J1040 Injection, methylprednisolone acetate, 80 mg	86	37	$14.09	$10.85
73502 X-ray of hip, 2-3 views	56	16	$114.14	$23.12
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	43	43	$452.91	$208.83
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	22	22	$267.27	$116.40
20605 Aspiration and/or injection of medium joint or joint capsule	17	11	$276.18	$53.13
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	16	16	$103.50	$48.15
99213 Established patient office or other outpatient visit, typically 15 minutes	12	11	$175.00	$51.64

Medical Specialties & State Licenses

CMS Verified: 2025-04-24

Orthopaedic Surgery Primary Specialty

NUCC Taxonomy Code: 207X00000X

State License MA 234923

An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

110095899A (MA)

Hospital & Practice Group Affiliations

Orthopedic Affiliates Inc

54 Baker Ave Ext, Concord, MA 017422137

Phone: 9783695391

Practice Associates & Co-Workers

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

18 Associated Practitioners

Dr. Donald Driscoll , MD

Orthopaedic Surgery

NPI 1013983907

Doctor of Medicine (M.D.)

Dr. John Mcinnis , MD

Orthopaedic Surgery

NPI 1083680078

Doctor of Medicine (M.D.)

Logan Finegan , CPNP

Nurse Practitioner - Pediatrics

NPI 1164913182

Certified Pediatric Nurse Practitioner

Margaret Hunter , PA-C

Physician Assistant

NPI 1306187471

Physician Assistant (Certified)

Kristen Corcoran , PA-C

Physician Assistant

NPI 1366003865

Physician Assistant (Certified)

Erin Patisteas , CPNP, NP-C

Nurse Practitioner - Family

NPI 1528331006

Certified Pediatric Nurse Practitioner, Nurse Practitioner (Certified)

Career & Practice History Timeline

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

7 Historical Events

📍

Updated Practice Location April 24, 2025

Registered at 54 BAKER AVENUE EXT STE 200, CONCORD, MA 017422137 (Tel: 9783695391)

✅

NPI Profile Active February 13, 2015

NPI status registered as active in NPPES database

📍

Updated Practice Location February 13, 2015

Registered at 14 RESEARCH PL, NORTH CHELMSFORD, MA 018632412 (Tel: 9784540706)

📍

Updated Business Mailing Address February 13, 2015

Registered at 14 RESEARCH PL, NORTH CHELMSFORD, MA 018632412 (Tel: 9784540706)

👤

Provider Name / Credentials Updated February 13, 2015

Recorded as CHRISTOPHER BAKER, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) February 13, 2015

Orthopaedic Surgery (License #234923 in MA)

🟢

Initial NPI Registration & Enumeration January 10, 2007

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: 1982753703

Entity Type:

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

Enumeration Date: January 10, 2007

Last Update: April 24, 2025

Sole Proprietor: No

Update or Correct Profile

Mailing Address

14 Research Pl

North Chelmsford, MA 018632412

Phone: 9784540706

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.