Active NPI 1720074818 Individual Practitioner Male Practitioner

Dr. Robert Hannahan , MD

Anesthesiology • Enterprise, AL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Robert Hannahan, MD is a certified Anesthesiology practicing in Enterprise, AL. With approximately 33 years of clinical experience since graduating from University Of Alabama School Of Medicine in 1993, Dr. Hannahan delivers high-quality medical care to the local community at 1275 JAMES DR STE B.

Dr. Hannahan accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, injection, triamcinolone acetonide, preservative free, 1 mg, injection, dexamethasone sodium phosphate, 1 mg. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1275 James Dr Ste B

Enterprise, AL 36330

Telephone 3344170450

Fax 8013154946

Associated Practice Facility / Clinic

🏢 Hannahan Comprehensive Pain Care Pc Facility NPI 1972090991

Medicare Profile & Education

Medical School

University Of Alabama School Of Medicine

Graduation Year

1993

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Anesthesiology in Enterprise, AL

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

33 Yrs -0.5 yrs vs City Avg

City Avg: 33.5 Yrs

State Avg: 26.1 Yrs

Regional Practice Density

3 Specialists

Practicing in Enterprise, AL (610 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

58.0% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Hannahan (33 Years) 33 Yrs

Enterprise Specialty Average (33.5 Years) 33.5 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
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	474	160	$153.99	$119.74
J3300 Injection, triamcinolone acetonide, preservative free, 1 mg	367	14	$117.57	$3.03
J1100 Injection, dexamethasone sodium phosphate, 1 mg	333	53	$1.00	$0.12
J1010 Injection, methylprednisolone acetate, 1 mg	306	86	$10.00	$0.13
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	84	84	$232.70	$160.08
80305 Testing for presence of drug, read by direct observation	82	29	$50.00	$12.35
62323 Injection of substance into lower spine canal using imaging guidance	61	43	$582.23	$233.38
77002 Fluoroscopic guidance for needle placement	59	43	$150.00	$103.79
99406 Smoking and tobacco use intermediate counseling, greater than 3 minutes up to 10 minutes	47	21	$25.00	$13.59
64493 Injection of lower or sacral spine facet joint using imaging guidance, single level	45	33	$700.49	$225.57
64494 Injection of lower or sacral spine facet joint using imaging guidance, second level	43	33	$340.72	$120.97
95971 Electronic analysis and programming of implanted simple spinal cord or peripheral neurostimulator generator system during or after surgery, first hour	41	26	$127.50	$43.97
63650 Implantation of spinal neurostimulator electrodes, accessed through the skin	37	13	$2240.08	$1120.03
J1030 Injection, methylprednisolone acetate, 40 mg	37	26	$10.00	$6.32
62321 Injection of substance into middle or upper spine canal using imaging guidance	36	24	$590.13	$240.48
27096 Injection of anesthetic or steroid into joint between lower spine and hip bone using imaging guidance	33	27	$512.77	$186.25
20610 Aspiration and/or injection of fluid from large joint	28	23	$175.81	$63.81
64490 Injection of upper or middle spine facet joint using imaging guidance, single level	26	16	$752.23	$259.62
J1040 Injection, methylprednisolone acetate, 80 mg	25	22	$20.00	$9.68
64450 Injection of anesthetic agent, other peripheral nerve or branch	24	14	$225.66	$66.94
64491 Injection of upper or middle spine facet joint using imaging guidance, second level	24	14	$389.90	$130.94
64636 Destruction of lower or sacral spinal facet joint nerves with imaging guidance	22	14	$577.72	$310.14
64635 Destruction of lower or sacral spinal facet joint nerves using imaging guidance, single facet joint	16	14	$1575.76	$585.17

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	456	170	$153.99	$118.94
J1100 Injection, dexamethasone sodium phosphate, 1 mg	377	56	$1.00	$0.11
J1040 Injection, methylprednisolone acetate, 80 mg	122	78	$20.00	$11.26
80305 Testing for presence of drug, read by direct observation	115	48	$50.00	$12.35
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	96	96	$240.36	$156.13
J1030 Injection, methylprednisolone acetate, 40 mg	87	61	$10.00	$7.27
J3300 Injection, triamcinolone acetonide, preservative free, 1 mg	72	51	$8.96	$4.16
64555 Implantation of peripheral nerve neurostimulator electrodes, accessed through the skin	62	22	$2169.18	$1064.36
62323 Injection of substance into lower spine canal using imaging guidance	55	39	$582.23	$221.05
99406 Smoking and tobacco use intermediate counseling, greater than 3 minutes up to 10 minutes	52	22	$25.00	$12.42
77002 Fluoroscopic guidance for needle placement	50	34	$150.00	$106.37
64450 Injection of anesthetic agent, other peripheral nerve or branch	50	31	$180.53	$82.11
62321 Injection of substance into middle or upper spine canal using imaging guidance	40	29	$590.13	$243.08
64494 Injection of lower or sacral spine facet joint using imaging guidance, second level	34	28	$230.63	$110.09
64493 Injection of lower or sacral spine facet joint using imaging guidance, single level	34	28	$451.67	$219.96
20610 Aspiration and/or injection of fluid from large joint	27	18	$145.86	$60.25
64483 Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level	26	22	$529.85	$250.80
27096 Injection of anesthetic or steroid into joint between lower spine and hip bone using imaging guidance	21	18	$376.03	$172.24
95971 Electronic analysis and programming of implanted simple spinal cord or peripheral neurostimulator generator system during or after surgery, first hour	21	16	$127.50	$44.75
20552 Injections of trigger points in 1 or 2 muscles	17	13	$129.93	$37.74
64491 Injection of upper or middle spine facet joint using imaging guidance, second level	15	12	$252.51	$112.65
64490 Injection of upper or middle spine facet joint using imaging guidance, single level	15	12	$503.77	$220.27
64484 Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, each additional level	14	13	$230.78	$103.81

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	462	163	$153.99	$121.70
80305 Testing for presence of drug, read by direct observation	164	71	$50.00	$12.40
J1040 Injection, methylprednisolone acetate, 80 mg	104	75	$20.43	$10.67
62323 Injection of substance into lower spine canal using imaging guidance	85	60	$582.23	$234.39
J1100 Injection, dexamethasone sodium phosphate, 1 mg	75	54	$1.00	$0.12
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	63	63	$232.70	$153.63
77002 Fluoroscopic guidance for needle placement	58	43	$147.16	$106.30
64450 Injection of anesthetic agent, other peripheral nerve or branch	57	38	$183.16	$77.67
64555 Implantation of peripheral nerve neurostimulator electrodes, accessed through the skin	57	19	$2149.97	$1155.87
99406 Smoking and tobacco use intermediate counseling, greater than 3 minutes up to 10 minutes	55	26	$26.17	$14.48
20610 Aspiration and/or injection of fluid from large joint	33	21	$140.65	$58.37
64494 Injection of lower or sacral spine facet joint using imaging guidance, second level	31	24	$206.35	$104.61
64493 Injection of lower or sacral spine facet joint using imaging guidance, single level	31	24	$404.13	$198.52
62321 Injection of substance into middle or upper spine canal using imaging guidance	29	20	$590.13	$245.26
95971 Electronic analysis and programming of implanted simple spinal cord or peripheral neurostimulator generator system during or after surgery, first hour	23	15	$127.50	$47.38
64483 Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level	21	18	$529.85	$240.05
J1030 Injection, methylprednisolone acetate, 40 mg	20	19	$10.00	$6.54
27096 Injection of anesthetic or steroid into joint between lower spine and hip bone using imaging guidance	17	16	$409.38	$154.85
64484 Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, each additional level	13	11	$230.78	$102.85
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	13	12	$5.00	$1.11
J3300 Injection, triamcinolone acetonide, preservative free, 1 mg	11	11	$11.82	$3.84

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	577	211	$104.82	$87.54
80305 Testing for presence of drug, read by direct observation	348	131	$50.00	$12.44
99406 Smoking and tobacco use intermediate counseling, greater than 3 minutes up to 10 minutes	146	65	$25.00	$14.37
J1040 Injection, methylprednisolone acetate, 80 mg	140	83	$20.00	$10.57
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	89	89	$232.70	$155.59
64636 Destruction of lower or sacral spinal facet joint nerves with imaging guidance	82	30	$397.18	$59.21
J1100 Injection, dexamethasone sodium phosphate, 1 mg	73	53	$1.00	$0.15
62323 Injection of substance into lower spine canal using imaging guidance	72	54	$582.23	$231.59
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	68	60	$153.99	$124.02
64493 Injection of lower or sacral spine facet joint using imaging guidance, single level	61	42	$410.76	$210.33
64494 Injection of lower or sacral spine facet joint using imaging guidance, second level	60	41	$209.79	$114.16
20610 Aspiration and/or injection of fluid from large joint	53	33	$143.66	$63.02
95971 Electronic analysis and programming of implanted simple spinal cord or peripheral neurostimulator generator system during or after surgery, first hour	49	34	$127.50	$47.09
64635 Destruction of lower or sacral spinal facet joint nerves using imaging guidance, single facet joint	43	30	$969.70	$210.38
77002 Fluoroscopic guidance for needle placement	31	26	$142.03	$101.10
63650 Implantation of spinal neurostimulator electrodes, accessed through the skin	30	11	$2240.08	$307.23
62321 Injection of substance into middle or upper spine canal using imaging guidance	30	19	$590.13	$207.86
64483 Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level	24	19	$529.85	$241.11
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	22	22	$63.09	$53.44
64495 Injection of lower or sacral spine facet joint using imaging guidance, third and any additional level	21	16	$216.18	$107.90
62323 Injection of substance into lower spine canal using imaging guidance	18	13	$582.23	$97.68
64450 Injection of anesthetic agent, other peripheral nerve or branch	18	13	$180.53	$69.61
64624 Destruction of nerve branches of knee using imaging guidance	17	13	$949.13	$144.40
64454 Injection of anesthetic agent and/or steroid into knee nerve branch using imaging guidance	14	13	$498.03	$145.40
64484 Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, each additional level	13	12	$230.78	$94.33

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	747	270	$153.99	$101.50
80305 Testing for presence of drug, read by direct observation	495	202	$49.91	$12.23
99406 Smoking and tobacco use intermediate counseling, greater than 3 minutes up to 10 minutes	200	76	$25.00	$14.38
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	108	108	$152.18	$100.88
63650 Implantation of spinal neurostimulator electrodes, accessed through the skin	62	24	$2240.08	$302.37
64493 Injection of lower or sacral spine facet joint using imaging guidance, single level	51	35	$404.13	$126.89
95971 Electronic analysis and programming of implanted simple spinal cord or peripheral neurostimulator generator system during or after surgery, first hour	45	21	$127.50	$48.66
62323 Injection of substance into lower spine canal using imaging guidance	45	37	$582.23	$91.90
64494 Injection of lower or sacral spine facet joint using imaging guidance, second level	45	33	$206.35	$73.09
64495 Injection of lower or sacral spine facet joint using imaging guidance, third and any additional level	41	29	$206.35	$74.34
64636 Destruction of lower or sacral spinal facet joint nerves with imaging guidance	41	15	$397.18	$58.88
62323 Injection of substance into lower spine canal using imaging guidance	30	25	$582.23	$140.43
64483 Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level	29	23	$529.85	$125.90
64635 Destruction of lower or sacral spinal facet joint nerves using imaging guidance, single facet joint	23	17	$969.70	$212.00
20610 Aspiration and/or injection of fluid from large joint	22	17	$140.65	$61.02
20552 Injections of trigger points in 1 or 2 muscles	19	16	$129.93	$47.88
62321 Injection of substance into middle or upper spine canal using imaging guidance	19	13	$590.13	$105.75
64484 Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, each additional level	18	14	$230.78	$55.64
64493 Injection of lower or sacral spine facet joint using imaging guidance, single level	17	14	$404.13	$154.01
64494 Injection of lower or sacral spine facet joint using imaging guidance, second level	15	12	$206.35	$83.87
64495 Injection of lower or sacral spine facet joint using imaging guidance, third and any additional level	15	12	$206.35	$82.69
J1040 Injection, methylprednisolone acetate, 80 mg	15	13	$20.00	$11.19
99213 Established patient office or other outpatient visit, typically 15 minutes	11	11	$104.82	$66.85
63685 Insertion of spinal neurostimulator pulse generator or receiver	11	11	$847.38	$171.10

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	589	249	$157.72	$67.96
80305 Testing for presence of drug, read by direct observation	552	239	$42.79	$12.14
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	184	140	$154.27	$98.43
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	151	151	$359.49	$148.66
63650 Implantation of spinal neurostimulator electrodes, accessed through the skin	112	37	$2488.63	$306.04
64450 Injection of anesthetic agent, other peripheral nerve or branch	106	39	$168.33	$31.68
62323 Injection of substance into lower spine canal using imaging guidance	93	71	$544.54	$91.43
99406 Smoking and tobacco use intermediate counseling, greater than 3 minutes up to 10 minutes	66	44	$24.94	$13.46
64640 Destruction of peripheral nerve or branch	63	19	$272.86	$60.67
64494 Injection of lower or sacral spine facet joint using imaging guidance, second level	63	47	$201.26	$66.69
64493 Injection of lower or sacral spine facet joint using imaging guidance, single level	62	47	$394.06	$107.79
64495 Injection of lower or sacral spine facet joint using imaging guidance, third and any additional level	58	43	$201.73	$67.21
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	44	44	$162.11	$94.19
64483 Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level	40	36	$493.68	$124.64
62321 Injection of substance into middle or upper spine canal using imaging guidance	33	26	$540.97	$100.80
64484 Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, each additional level	31	24	$210.38	$61.10
64636 Destruction of lower or sacral spinal facet joint nerves with imaging guidance	28	13	$386.97	$53.80
63685 Insertion of spinal neurostimulator pulse generator or receiver	26	26	$831.54	$166.93
27096 Injection of anesthetic or steroid into joint between lower spine and hip bone using imaging guidance	22	19	$352.83	$90.08
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	17	15	$90.11	$41.43
64635 Destruction of lower or sacral spinal facet joint nerves using imaging guidance, single facet joint	15	13	$932.45	$198.87
76000 Imaging guidance for procedure, 60 minutes or less	14	11	$37.18	$14.64
64490 Injection of upper or middle spine facet joint using imaging guidance, single level	14	13	$423.25	$136.54
64491 Injection of upper or middle spine facet joint using imaging guidance, second level	12	11	$209.13	$81.39

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
80305 Testing for presence of drug, read by direct observation	224	151	$30.00	$13.19
99213 Established patient office or other outpatient visit, typically 15 minutes	211	130	$150.00	$67.74
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	145	145	$335.00	$152.96
62323 Injection of substance into lower spine canal using imaging guidance	40	36	$490.00	$94.61
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	33	33	$425.00	$192.70
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	21	21	$225.00	$99.57
64483 Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level	17	16	$440.00	$112.94
64484 Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, each additional level	13	11	$180.00	$49.74
62321 Injection of substance into middle or upper spine canal using imaging guidance	12	11	$500.00	$102.44

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
62323 Injection of substance into lower spine canal using imaging guidance	322	247	$952.76	$92.84
64483 Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level	132	103	$1028.00	$124.15
62321 Injection of substance into middle or upper spine canal using imaging guidance	86	66	$1005.51	$101.31
00810 Anesthesia for procedure on lower intestine using an endoscope	63	63	$704.03	$73.06
64493 Injection of lower or sacral spine facet joint using imaging guidance, single level	41	37	$1440.00	$123.85
00740 Anesthesia for procedure on gastrointestinal tract using an endoscope	34	32	$662.41	$71.24
64494 Injection of lower or sacral spine facet joint using imaging guidance, second level	31	27	$714.32	$94.89
64490 Injection of upper or middle spine facet joint using imaging guidance, single level	19	12	$1552.11	$132.78
77002 Fluoroscopic guidance for needle placement	15	14	$183.47	$24.46
64484 Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, each additional level	13	11	$503.46	$52.49
20610 Aspiration and/or injection of fluid from large joint	12	11	$274.50	$42.54

Medical Specialties & State Licenses

CMS Verified: 2025-09-09

Anesthesiology Primary Specialty

NUCC Taxonomy Code: 207L00000X

State License AL 20671

An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

000057448 (AL)

Career & Practice History Timeline

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

8 Historical Events

📍

Updated Practice Location May 31, 2018

Registered at 1275 JAMES DR STE B, ENTERPRISE, AL 36330 (Tel: 3344170450)

📍

Updated Business Mailing Address May 31, 2018

Registered at PO BOX 1747, MEMPHIS, TN 381011747 (Tel: 3344170450)

✅

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location July 08, 2007

Registered at 5 MOBILE INFIRMARY CIR, MOBILE, AL 366073513 (Tel: 2514324497)

📍

Updated Business Mailing Address July 08, 2007

Registered at PO BOX 934369, ATLANTA, GA 311930001 (Tel: 8008976169)

👤

Provider Name / Credentials Updated July 08, 2007

Recorded as ROBERT HANNAHAN, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Anesthesiology (License #20671 in AL)

🟢

Initial NPI Registration & Enumeration September 23, 2005

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1720074818

Entity Type:

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

Enumeration Date: September 23, 2005

Last Update: September 09, 2025

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

Po Box 1747

Memphis, TN 381011747

Phone: 3344170450

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

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